SlideShare a Scribd company logo
1 of 9
Download to read offline
MUSCLES OF FACIAL EXPRESSION
MUSCLE ORIGIN INSERTION ACTION
frontalis galea aponeurotica skin of eybrows and
nose
raises eyebrows,
wrinkles forehead skin
orbicularis oculi frontal and maxillary
bone
skin of eyelid blinking, squinting,
forceful closing of
eyelids
orbicularis oris fibers of other mouth
muscles
muscles and skin at
angle of the mouth
closes and protrudes
lips
platysma pectoralis and deltoid
fascia
lower border of the
mandible, mouth skin
and muscle
depresses mandible,
draws angle of mouth
downward, tightens
skin of the neck
MUSCLES OF MASTICATION
MUSCLE ORIGIN INSERTION ACTION
masseter zygomatic arch mandible elevates mandible
temporalis temporal fossa of the
temporal bone
coronoid process of the
mandible
elevates and retracts
mandible
MUSCLES OF THE NECK
MUSCLE ORIGIN INSERTION ACTION
Sternocleidomastoid manubrium of sternum
and medial clavicle
mastoid process of the
temporal bone
both muscles acting
together flex cervical
vertebral column,
acting alone rotates
head to the opposite
side
MUSCLES OF THE THORACIC WALL
MUSCLE ORIGIN INSERTION ACTION
pectoralis minor ribs 3-5 coracoid process of the
scapula
depresses and pulls
scapula anteriorly
external intercostals inferior border of ribs superior border of ribs elevate and expand rib
cage
internal intercostals superior border of ribs inferior border of ribs depress rib cage
serratus anterior ribs vertebral border of the
scapula
draws scapula forward
along thoracic wall,
rotates scapula
MUSCLES OF THE ABDOMINAL WALL
MUSCLE ORIGIN INSERTION ACTION
external abdominal
oblique
lower eight ribs linea alba, aponeurosis
of the external
abdominal oblique
compresses abdominal
contents, assists in
flexion and rotation of
vertebral column
internal abdominal
oblique
lumbodorsal fascia,
iliac crest
linea alba, aponeurosis
of internal abdominal
oblique
same as external
abdominal oblique
rectus abdominis pubic crest and pubic
symphysis
ribs and xiphoid
process
flexes vertebral
column, compresses
abdominal contents
MUSCLES OF THE PECTORAL GIRDLE
MUSCLE ORIGIN INSERTION ACTION
trapezius occipital bone, cervical
and thoracic vertebrae
lateral 1/3 of clavicle
and scapular spine and
acromion
elevates, depresses,
rotates, adducts
scapula
deltoid clavicle, acromion and
spine of scapula
deltoid tuberosity of
the humerus
abducts; flexes and
medially rotates;
extends and laterally
rotates arm
latissimus dorsi lumbodorsal fascia via
thoracic and lumbar
vertebrae, sacrum,
ilium
intertubercular groove
of the humerus
extends, adducts, and
medially rotates arm
pectoralis major sternum, clavicle, and
ribs
greater tubercle and
along intertubercular
groove of the humerus
flexes, medially
rotates, and adducts
arm
MUSCLES ASSOCIATED WITH THE SCAPULA
MUSCLE ORIGIN INSERTION ACTION
levator scapula transverse processes of
cervical vertebrae
superior angle and
vertebral border of the
scapula
elevates scapula
rhomboid major and
minor
spinous processes of
thoracic vertebrae
vertebral border of the
scapula
adducts, rotates
scapula
supraspinatus supraspinous fossa of
the scapula
greater tubercle of the
humerus
arm abduction
infraspinatus infraspinous fossa of
the scapula
greater tubercle of the
humerus
laterally rotates arm
teres major inferior angle of
scapula
lesser tubercle of the
humerus
adducts, extends and
medially rotates arm
teres minor lateral border of
scapula
greater tubercle of the
humerus
laterally rotates arm
subscapularis subscapular fossa of
the scapula
lesser tubercle of the
humerus
medially rotates arm
MUSCLES OF THE ANTERIOR COMPARTMENT OF THE ARM
MUSCLE ORIGIN INSERTION ACTION
biceps brachii
long head
short head
supraglenoid tubercle
of the scapula
coracoid process of the
scapula
radial tuberosity of the
radius
flexes arm and
forearm, supinates
forearm
brachialis anterior humerus coronoid process of the
ulna
flexes forearm
coracobrachialis coracoid process of the
scapula
medial humerus flexes arm
MUSCLES OF THE POSTERIOR COMPARTMENT OF THE ARM
MUSCLE ORIGIN INSERTION ACTION
triceps brachii
long head
lateral head
medial head
infraglenoid tubercle of
the scapula
posterior humerus
posterior humerus
olecranon process of
the ulna
olecranon process of
the ulna
olecranon process of
the ulna
extends arm and
forearm
forearm extension
forearm extension
MUSCLES OF THE ANTERIOR COMPARTMENT OF THE FOREARM
MUSCLE ORIGIN INSERTION ACTION
pronator teres medial epicondyle of
the humerus
radius pronates forearm
flexor carpi radialis medial epicondyle of
the humerus
metacarpals flexes and abducts
hand
palmaris longus medial epicondyle of
the humerus
palmar aponeurosis flexes hand
flexor carpi ulnaris medial epicondyle of
the humerus
carpal and metacarpals flexes and adducts
hand
flexor digitorum
superficialis
medial epicondyle of
the humerus
middle phalanges 2nd
to 5th digit
flexes phalanges
flexor digitorum
profundus
ulna and interosseus
membrane
distal phalanges 2nd to
5th digit
flexes phalanges
flexor pollicis longus anterior radius and
interosseus membrane
distal phalanx of the
thumb
flexes thumb
pronator quadratus distal and anterior
ulnar shaft
distal and anterior
radius
pronates forearm, hold
radius and ulna
together
MUSCLES OF THE POSTERIOR COMPARTMENT OF THE FOREARM
MUSCLE ORIGIN INSERTION ACTION
brachioradialis lateral supracondylar
ridge of the humerus
styloid process of the
radius
flexes forearm
extensor carpi radialis
longus
lateral supracondylar
ridge of the humerus
second metacarpal
bone
extends and abducts
hand
extensor carpi radialis
brevis
lateral epicondyle of
the humerus
third metacarpal extends and abducts
hand
extensor digitorum lateral epicondyle of
the humerus
middle and distal
phalanges of medial
four fingers
extends fingers and
hand
extensor carpi ulnaris lateral epicondyle of
the humerus
fifth metacarpal extends and adducts
hand
supinator lateral epicondyle of
the humerus
proximal end of radius supinates forearm
abductor pollicis
longus
posterior radius and
posterior ulna
first metacarpal abducts and extends
thumb
extensor pollicis brevis radius and posterior
ulna
proximal phalanx of
the thumb
extends thumb
extensor pollicis
longus
ulna and posterior
radius
distal phalanx of the
thumb
extends thumb
extensor indicis posterior ulna extensor expansion of
index finger
extends index finger
extensor digiti minimi lateral epicondyle of
the humerus
extensor expansion of
the little finger
extends little finger
anconeus lateral epicondyle of
the humerus
olecranon process of
ulna
abducts ulna during
pronation; elbow
extension
INTRINSIC MUSCLES OF THE HAND
MUSCLE ORIGIN INSERTION ACTION
abductor pollicis brevis scaphoid, trapezium proximal phalanx of
the thumb
abducts thumb
opponens pollicis trapezium thumb metacarpal rotates first metacarpal
medially, i.e.,
opposition of the
thumb
flexor pollicis brevis trapezium, 1st
metacarpal
proximal phalanx of
thumb
flexes and adducts
thumb
adductor pollicis capitate, 2nd and 3rd
metacarpal
proximal phalanx of
the thumb
adducts thumb
MUSCLES ASSOCIATED WITH THE ANTERIOR COMPARTMENT OF THE THIGH
MUSCLE ORIGIN INSERTION ACTION
iliopsoas iliac fossa, transverse
processes of lumbar
vertebrae
lesser trochanter of the
femur
flexes hip
sartorius anterior superior iliac
spine
medial tibia flexes, laterally rotates
thigh; flexes and
medially rotates leg at
the knee
quadriceps femoris
rectus femoris
vastus lateralis
vastus medialis
vastus intermedius
anterior inferior iliac
spine
greater trochanter of
the femur
linea aspera
shaft of the femur
all four:
via quadriceps tendon
into patella, then
ligamentum patellae
onto tibial tuberosity of
the tibia
rectus femoris only -
flexes thigh at hip
all four - extends leg
at knee
pectineus superior ramus of
pubis
linea aspera of femur flexes, adducts thigh
tensor fascia latae anterior superior iliac
spine, iliac crest
iliotibial tract flexes and abducts
thigh
MUSCLES ASSOCIATED WITH THE MEDIAL COMPARTMENT OF THE THIGH
MUSCLE ORIGIN INSERTION ACTION
gracilis inferior ramus and
body of the pubis
medial surface of tibia adducts thigh at hip;
flexes leg at knee
adductor longus pubis linea aspera of femur adducts and flexes
thigh at hip
adductor brevis body and inferior
ramus of the pubis
lineas aspera of femur adducts thigh at hip
adductor magnus inferior ramus of pubis
and ischium, ischial
tuberosity
lineas aspera of femur adducts and flexes
thigh at hip
MUSCLES ASSOCIATED WITH THE GLUTEAL REGION AND POSTERIOR
COMPARTMENT OF THE THIGH
MUSCLE ORIGIN INSERTION ACTION
gluteus maximus posterior ilium,
sacrum, and coccyx
iliotibial tract, gluteal
tuberosity of femur
extends and laterally
rotates hip
gluteus medius lateral ilium greater trochanter of
the femur
abducts thigh at hip
biceps femoris
long head
short head
ischial tuberosity
linea aspera
head of fibula, lateral
condyle of tibia
flexes and laterally
rotates leg at knee
long head only -
extends thigh at hip
semitendinosus ischial tuberosity medial tibia extends thigh at hip;
flexes and medially
rotates leg at knee
semimembranosus ischial tuberosity medial condyle of tibia extends thigh at hip;
flexes and medially
rotates leg at knee
gluteus minimis external surface of
ilium
greater trochanter of
femur
abducts and medially
rotates thigh
piriformis lateral surface of ilium greater trochanter of
femur
rotates and extends
thigh laterally, abducts
thigh
quadratus femoris ischial tuberosity intertrochanteric crest
of femur
rotates thigh laterally
MUSCLES ASSOCIATED WITH THE ANTERIOR COMPARTMENT OF THE LEG
MUSCLE ORIGIN INSERTION ACTION
tibialis anterior lateral condyle of tibia cuneiform and base of
1st metatarsal
dorsiflexes and inverts
the foot; extends toe
extensor hallucis
longus
anterior fibula,
interosseous membrane
distal phalanx of great
toe
dorsiflexes and inverts
foot; extends big toe
extensor digitorum
longus
lateral condyle of tibia,
proximal fibula,
interosseous membrane
phalanges of toes 2-5 dorsiflexes foot and
extends toes
fibularis (peroneus)
tertius
anterior fibula,
interosseous membrane
fifth metatarsal dorsiflexes and everts
foot
MUSCLES ASSOCIATED WITH THE LATERAL COMPARTMENT OF THE LEG
MUSCLE ORIGIN INSERTION ACTION
fibularis (peroneus)
longus
head of fibula cuneiform, base of 1st
metatarsal
plantar flexes and
everts foot
fibularis (peroneus)
brevis
distal fibula fifth metatarsal plantar flexes and
everts foot
MUSCLES ASSOCIATED WITH THE POSTERIOR COMPARTMENT OF THE LEG
MUSCLE ORIGIN INSERTION ACTION
gastrocnemius lateral and medial
condyle of the femur
calcaneus plantar flexes the foot,
weak flexor of leg at
knee
soleus proximal tibia,
proximal fibula,
interosseous membrane
calcaneus plantar flexes the foot
flexor digitorum
longus
posterior tibia distal phalanges lateral
four toes
plantar flexes and
inverts foot; flexes toes
flexor hallucis longus middle shaft of fibula distal phalanx great toe plantar flexes and
inverts foot; flexes
great toe
tibialis posterior tibia and fibula navicular bone plantar flexes and
inverts foot
Muscles of facial expression

More Related Content

What's hot (20)

Physiology properties of bile, composition of bile, functions of bile, functi...
Physiology properties of bile, composition of bile, functions of bile, functi...Physiology properties of bile, composition of bile, functions of bile, functi...
Physiology properties of bile, composition of bile, functions of bile, functi...
 
Shoulder region
Shoulder regionShoulder region
Shoulder region
 
Muscles of face
Muscles of face Muscles of face
Muscles of face
 
The ribs
The ribsThe ribs
The ribs
 
Cervical vertebra
Cervical vertebra Cervical vertebra
Cervical vertebra
 
Slideshow: Hip Bone
Slideshow: Hip BoneSlideshow: Hip Bone
Slideshow: Hip Bone
 
Deltoid muscle, origin insertion and movement
Deltoid muscle, origin insertion and movementDeltoid muscle, origin insertion and movement
Deltoid muscle, origin insertion and movement
 
Norma basalis
Norma basalis  Norma basalis
Norma basalis
 
5. Trachea
5. Trachea5. Trachea
5. Trachea
 
Cubital fossa
Cubital fossaCubital fossa
Cubital fossa
 
Salivary secretion-BPT.pptx
Salivary secretion-BPT.pptxSalivary secretion-BPT.pptx
Salivary secretion-BPT.pptx
 
The clavicle
The clavicleThe clavicle
The clavicle
 
Shoulder joint
Shoulder jointShoulder joint
Shoulder joint
 
introduction of GIT System
introduction of GIT Systemintroduction of GIT System
introduction of GIT System
 
Clavicle
Clavicle Clavicle
Clavicle
 
The hyoid bone
The hyoid boneThe hyoid bone
The hyoid bone
 
1 Stomach
1  Stomach1  Stomach
1 Stomach
 
Anatomy of scalp
Anatomy of scalp Anatomy of scalp
Anatomy of scalp
 
Blood supply to head and neck
Blood supply to head and neckBlood supply to head and neck
Blood supply to head and neck
 
Slideshow: Humerus
Slideshow: HumerusSlideshow: Humerus
Slideshow: Humerus
 

Similar to Muscles of facial expression

Joints of the limbs
Joints of the limbsJoints of the limbs
Joints of the limbsTerri Leng
 
Muscles Arm.ppt
Muscles Arm.pptMuscles Arm.ppt
Muscles Arm.pptglen409461
 
Humerus and Shoulder Joint
Humerus and Shoulder JointHumerus and Shoulder Joint
Humerus and Shoulder JointSado Anatomist
 
1) Muscles of the head and neck.pdf
1) Muscles of the head and neck.pdf1) Muscles of the head and neck.pdf
1) Muscles of the head and neck.pdfdilksmu1
 
The Shoulder Anatomy.pptx
The Shoulder Anatomy.pptxThe Shoulder Anatomy.pptx
The Shoulder Anatomy.pptxPeterBockarie
 
MUSCLE anatomy bsc 1st sem classroom presentation
MUSCLE anatomy bsc 1st sem classroom presentationMUSCLE anatomy bsc 1st sem classroom presentation
MUSCLE anatomy bsc 1st sem classroom presentationAmphetaminesd
 
Forearm anatomy complete
Forearm anatomy completeForearm anatomy complete
Forearm anatomy completeVedikaAgrawal13
 
upper limb muscle anatomy.pdf
upper limb muscle anatomy.pdfupper limb muscle anatomy.pdf
upper limb muscle anatomy.pdfghhhh2
 
upper limb muscle anatomy.pdf
upper limb muscle anatomy.pdfupper limb muscle anatomy.pdf
upper limb muscle anatomy.pdfghhhh2
 
upperextremitymuscletable (1).docx
upperextremitymuscletable (1).docxupperextremitymuscletable (1).docx
upperextremitymuscletable (1).docxNazmulHossain582216
 
anatomyofforearm-170105182843.pdf
anatomyofforearm-170105182843.pdfanatomyofforearm-170105182843.pdf
anatomyofforearm-170105182843.pdfsonalidas935894
 
Anatomy of forearm
Anatomy of forearmAnatomy of forearm
Anatomy of forearmsongao
 
12 Appendicular Muscles
12 Appendicular Muscles12 Appendicular Muscles
12 Appendicular Musclesguest334add
 

Similar to Muscles of facial expression (20)

Origins and insertions
Origins and insertionsOrigins and insertions
Origins and insertions
 
Joints of the limbs
Joints of the limbsJoints of the limbs
Joints of the limbs
 
Muscles Arm.ppt
Muscles Arm.pptMuscles Arm.ppt
Muscles Arm.ppt
 
muscles of lower limb
muscles of lower limbmuscles of lower limb
muscles of lower limb
 
muscles of lower limb
muscles of lower limbmuscles of lower limb
muscles of lower limb
 
Humerus and Shoulder Joint
Humerus and Shoulder JointHumerus and Shoulder Joint
Humerus and Shoulder Joint
 
muscles of lower limb
muscles of lower limbmuscles of lower limb
muscles of lower limb
 
1) Muscles of the head and neck.pdf
1) Muscles of the head and neck.pdf1) Muscles of the head and neck.pdf
1) Muscles of the head and neck.pdf
 
The Shoulder Anatomy.pptx
The Shoulder Anatomy.pptxThe Shoulder Anatomy.pptx
The Shoulder Anatomy.pptx
 
MUSCLE anatomy bsc 1st sem classroom presentation
MUSCLE anatomy bsc 1st sem classroom presentationMUSCLE anatomy bsc 1st sem classroom presentation
MUSCLE anatomy bsc 1st sem classroom presentation
 
Forearm anatomy complete
Forearm anatomy completeForearm anatomy complete
Forearm anatomy complete
 
SUMMARY MUSCLES.docx
SUMMARY MUSCLES.docxSUMMARY MUSCLES.docx
SUMMARY MUSCLES.docx
 
Anatomy of the shoulder joint
Anatomy of the shoulder jointAnatomy of the shoulder joint
Anatomy of the shoulder joint
 
upper limb muscle anatomy.pdf
upper limb muscle anatomy.pdfupper limb muscle anatomy.pdf
upper limb muscle anatomy.pdf
 
upper limb muscle anatomy.pdf
upper limb muscle anatomy.pdfupper limb muscle anatomy.pdf
upper limb muscle anatomy.pdf
 
upperextremitymuscletable (1).docx
upperextremitymuscletable (1).docxupperextremitymuscletable (1).docx
upperextremitymuscletable (1).docx
 
anatomyofforearm-170105182843.pdf
anatomyofforearm-170105182843.pdfanatomyofforearm-170105182843.pdf
anatomyofforearm-170105182843.pdf
 
Anatomy of forearm
Anatomy of forearmAnatomy of forearm
Anatomy of forearm
 
Thigh
ThighThigh
Thigh
 
12 Appendicular Muscles
12 Appendicular Muscles12 Appendicular Muscles
12 Appendicular Muscles
 

Recently uploaded

NECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptx
NECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptxNECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptx
NECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptxSizan Thapa
 
SGK VIÊM KHỚP DẠNG THẤP YHN .pdf
SGK VIÊM KHỚP DẠNG THẤP YHN              .pdfSGK VIÊM KHỚP DẠNG THẤP YHN              .pdf
SGK VIÊM KHỚP DẠNG THẤP YHN .pdfHongBiThi1
 
bleeding disorders 1 Dr.Nannika Pradhan
bleeding disorders 1  Dr.Nannika Pradhanbleeding disorders 1  Dr.Nannika Pradhan
bleeding disorders 1 Dr.Nannika Pradhanthesalberry
 
airway management recorded for S2.pptx
airway management  recorded  for S2.pptxairway management  recorded  for S2.pptx
airway management recorded for S2.pptxnakera38
 
EMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdf
EMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdfEMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdf
EMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdfMayuriGamit2
 
Basic of Thyroid Hormone:- An In-depth Analysis
Basic of Thyroid Hormone:- An In-depth AnalysisBasic of Thyroid Hormone:- An In-depth Analysis
Basic of Thyroid Hormone:- An In-depth AnalysisAshishMaletha2
 
TARGET DELINEATION IN VULVAL CANCER BY DR KANHU
TARGET DELINEATION IN VULVAL CANCER BY DR KANHUTARGET DELINEATION IN VULVAL CANCER BY DR KANHU
TARGET DELINEATION IN VULVAL CANCER BY DR KANHUKanhu Charan
 
Routine Medicine Laboratory Testing _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...
Routine Medicine Laboratory Testing  _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...Routine Medicine Laboratory Testing  _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...
Routine Medicine Laboratory Testing _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...DUY NGUYEN PHUC
 
Spinal cord Gross anatomy with Clinical Anatomy.pptx
Spinal cord Gross anatomy with Clinical Anatomy.pptxSpinal cord Gross anatomy with Clinical Anatomy.pptx
Spinal cord Gross anatomy with Clinical Anatomy.pptxsiddharthroy26587
 
Laryngeal papillomatosis .pdf ENT BY QUICKMEDTALK
Laryngeal papillomatosis .pdf ENT BY QUICKMEDTALKLaryngeal papillomatosis .pdf ENT BY QUICKMEDTALK
Laryngeal papillomatosis .pdf ENT BY QUICKMEDTALKQuick MedTalk
 
Tracheostomy .pdf ENT by QuickMedTALK. getting things done on time
Tracheostomy .pdf ENT by QuickMedTALK. getting things done on timeTracheostomy .pdf ENT by QuickMedTALK. getting things done on time
Tracheostomy .pdf ENT by QuickMedTALK. getting things done on timeQuick MedTalk
 
Reproductive and Child Health Services ppt.pptx
Reproductive and Child Health Services ppt.pptxReproductive and Child Health Services ppt.pptx
Reproductive and Child Health Services ppt.pptxVeereshDemashetti
 
SMA Implementation science seminar (Day 1).pptx
SMA Implementation science seminar (Day 1).pptxSMA Implementation science seminar (Day 1).pptx
SMA Implementation science seminar (Day 1).pptxAbdirahmanWaseem
 
Human Skeletal System_By Anupam Das......
Human Skeletal System_By Anupam Das......Human Skeletal System_By Anupam Das......
Human Skeletal System_By Anupam Das......anupamdas2143
 
Ayurveda research in Hypothyroidism, P
Ayurveda  research  in Hypothyroidism, PAyurveda  research  in Hypothyroidism, P
Ayurveda research in Hypothyroidism, PDr.Shalu Jain
 
CELL BLOCK PREPARATION AND ITS IMPORTANCE
CELL BLOCK PREPARATION AND ITS IMPORTANCECELL BLOCK PREPARATION AND ITS IMPORTANCE
CELL BLOCK PREPARATION AND ITS IMPORTANCEShubhadip Ghosh
 
Methicillin-resistant Staphylococcus Aureus (MRSA)
Methicillin-resistant Staphylococcus Aureus (MRSA)Methicillin-resistant Staphylococcus Aureus (MRSA)
Methicillin-resistant Staphylococcus Aureus (MRSA)Ahmad Thanin
 
clean rooms and its classification .pptx
clean rooms and its classification .pptxclean rooms and its classification .pptx
clean rooms and its classification .pptxushakiranmai4
 
Brief introduction to information ecosystem x public health.pptx
Brief introduction to information ecosystem x public health.pptxBrief introduction to information ecosystem x public health.pptx
Brief introduction to information ecosystem x public health.pptxTina Purnat
 

Recently uploaded (20)

NECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptx
NECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptxNECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptx
NECROSIS FOR MBBS FIRST YEAR STUDENTS MADE EASY.pptx
 
SGK VIÊM KHỚP DẠNG THẤP YHN .pdf
SGK VIÊM KHỚP DẠNG THẤP YHN              .pdfSGK VIÊM KHỚP DẠNG THẤP YHN              .pdf
SGK VIÊM KHỚP DẠNG THẤP YHN .pdf
 
bleeding disorders 1 Dr.Nannika Pradhan
bleeding disorders 1  Dr.Nannika Pradhanbleeding disorders 1  Dr.Nannika Pradhan
bleeding disorders 1 Dr.Nannika Pradhan
 
airway management recorded for S2.pptx
airway management  recorded  for S2.pptxairway management  recorded  for S2.pptx
airway management recorded for S2.pptx
 
EMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdf
EMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdfEMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdf
EMBRYOLOGY AND FOETAL DEVELOPMENT-mayu.pdf
 
Basic of Thyroid Hormone:- An In-depth Analysis
Basic of Thyroid Hormone:- An In-depth AnalysisBasic of Thyroid Hormone:- An In-depth Analysis
Basic of Thyroid Hormone:- An In-depth Analysis
 
TARGET DELINEATION IN VULVAL CANCER BY DR KANHU
TARGET DELINEATION IN VULVAL CANCER BY DR KANHUTARGET DELINEATION IN VULVAL CANCER BY DR KANHU
TARGET DELINEATION IN VULVAL CANCER BY DR KANHU
 
Routine Medicine Laboratory Testing _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...
Routine Medicine Laboratory Testing  _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...Routine Medicine Laboratory Testing  _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...
Routine Medicine Laboratory Testing _ CÁC XÉT NGHIỆM THƯỜNG QUY ÁP DỤNG TRON...
 
Spinal cord Gross anatomy with Clinical Anatomy.pptx
Spinal cord Gross anatomy with Clinical Anatomy.pptxSpinal cord Gross anatomy with Clinical Anatomy.pptx
Spinal cord Gross anatomy with Clinical Anatomy.pptx
 
Laryngeal papillomatosis .pdf ENT BY QUICKMEDTALK
Laryngeal papillomatosis .pdf ENT BY QUICKMEDTALKLaryngeal papillomatosis .pdf ENT BY QUICKMEDTALK
Laryngeal papillomatosis .pdf ENT BY QUICKMEDTALK
 
Tracheostomy .pdf ENT by QuickMedTALK. getting things done on time
Tracheostomy .pdf ENT by QuickMedTALK. getting things done on timeTracheostomy .pdf ENT by QuickMedTALK. getting things done on time
Tracheostomy .pdf ENT by QuickMedTALK. getting things done on time
 
Reproductive and Child Health Services ppt.pptx
Reproductive and Child Health Services ppt.pptxReproductive and Child Health Services ppt.pptx
Reproductive and Child Health Services ppt.pptx
 
SMA Implementation science seminar (Day 1).pptx
SMA Implementation science seminar (Day 1).pptxSMA Implementation science seminar (Day 1).pptx
SMA Implementation science seminar (Day 1).pptx
 
Human Skeletal System_By Anupam Das......
Human Skeletal System_By Anupam Das......Human Skeletal System_By Anupam Das......
Human Skeletal System_By Anupam Das......
 
Ayurveda research in Hypothyroidism, P
Ayurveda  research  in Hypothyroidism, PAyurveda  research  in Hypothyroidism, P
Ayurveda research in Hypothyroidism, P
 
CELL BLOCK PREPARATION AND ITS IMPORTANCE
CELL BLOCK PREPARATION AND ITS IMPORTANCECELL BLOCK PREPARATION AND ITS IMPORTANCE
CELL BLOCK PREPARATION AND ITS IMPORTANCE
 
Methicillin-resistant Staphylococcus Aureus (MRSA)
Methicillin-resistant Staphylococcus Aureus (MRSA)Methicillin-resistant Staphylococcus Aureus (MRSA)
Methicillin-resistant Staphylococcus Aureus (MRSA)
 
clean rooms and its classification .pptx
clean rooms and its classification .pptxclean rooms and its classification .pptx
clean rooms and its classification .pptx
 
Evolving Concepts in the Pathogenesis of Inflammatory Dermatologic Disorders ...
Evolving Concepts in the Pathogenesis of Inflammatory Dermatologic Disorders ...Evolving Concepts in the Pathogenesis of Inflammatory Dermatologic Disorders ...
Evolving Concepts in the Pathogenesis of Inflammatory Dermatologic Disorders ...
 
Brief introduction to information ecosystem x public health.pptx
Brief introduction to information ecosystem x public health.pptxBrief introduction to information ecosystem x public health.pptx
Brief introduction to information ecosystem x public health.pptx
 

Muscles of facial expression

  • 1. MUSCLES OF FACIAL EXPRESSION MUSCLE ORIGIN INSERTION ACTION frontalis galea aponeurotica skin of eybrows and nose raises eyebrows, wrinkles forehead skin orbicularis oculi frontal and maxillary bone skin of eyelid blinking, squinting, forceful closing of eyelids orbicularis oris fibers of other mouth muscles muscles and skin at angle of the mouth closes and protrudes lips platysma pectoralis and deltoid fascia lower border of the mandible, mouth skin and muscle depresses mandible, draws angle of mouth downward, tightens skin of the neck MUSCLES OF MASTICATION MUSCLE ORIGIN INSERTION ACTION masseter zygomatic arch mandible elevates mandible temporalis temporal fossa of the temporal bone coronoid process of the mandible elevates and retracts mandible MUSCLES OF THE NECK MUSCLE ORIGIN INSERTION ACTION Sternocleidomastoid manubrium of sternum and medial clavicle mastoid process of the temporal bone both muscles acting together flex cervical vertebral column, acting alone rotates head to the opposite side MUSCLES OF THE THORACIC WALL MUSCLE ORIGIN INSERTION ACTION pectoralis minor ribs 3-5 coracoid process of the scapula depresses and pulls scapula anteriorly external intercostals inferior border of ribs superior border of ribs elevate and expand rib cage internal intercostals superior border of ribs inferior border of ribs depress rib cage serratus anterior ribs vertebral border of the scapula draws scapula forward along thoracic wall, rotates scapula
  • 2. MUSCLES OF THE ABDOMINAL WALL MUSCLE ORIGIN INSERTION ACTION external abdominal oblique lower eight ribs linea alba, aponeurosis of the external abdominal oblique compresses abdominal contents, assists in flexion and rotation of vertebral column internal abdominal oblique lumbodorsal fascia, iliac crest linea alba, aponeurosis of internal abdominal oblique same as external abdominal oblique rectus abdominis pubic crest and pubic symphysis ribs and xiphoid process flexes vertebral column, compresses abdominal contents MUSCLES OF THE PECTORAL GIRDLE MUSCLE ORIGIN INSERTION ACTION trapezius occipital bone, cervical and thoracic vertebrae lateral 1/3 of clavicle and scapular spine and acromion elevates, depresses, rotates, adducts scapula deltoid clavicle, acromion and spine of scapula deltoid tuberosity of the humerus abducts; flexes and medially rotates; extends and laterally rotates arm latissimus dorsi lumbodorsal fascia via thoracic and lumbar vertebrae, sacrum, ilium intertubercular groove of the humerus extends, adducts, and medially rotates arm pectoralis major sternum, clavicle, and ribs greater tubercle and along intertubercular groove of the humerus flexes, medially rotates, and adducts arm
  • 3. MUSCLES ASSOCIATED WITH THE SCAPULA MUSCLE ORIGIN INSERTION ACTION levator scapula transverse processes of cervical vertebrae superior angle and vertebral border of the scapula elevates scapula rhomboid major and minor spinous processes of thoracic vertebrae vertebral border of the scapula adducts, rotates scapula supraspinatus supraspinous fossa of the scapula greater tubercle of the humerus arm abduction infraspinatus infraspinous fossa of the scapula greater tubercle of the humerus laterally rotates arm teres major inferior angle of scapula lesser tubercle of the humerus adducts, extends and medially rotates arm teres minor lateral border of scapula greater tubercle of the humerus laterally rotates arm subscapularis subscapular fossa of the scapula lesser tubercle of the humerus medially rotates arm MUSCLES OF THE ANTERIOR COMPARTMENT OF THE ARM MUSCLE ORIGIN INSERTION ACTION biceps brachii long head short head supraglenoid tubercle of the scapula coracoid process of the scapula radial tuberosity of the radius flexes arm and forearm, supinates forearm brachialis anterior humerus coronoid process of the ulna flexes forearm coracobrachialis coracoid process of the scapula medial humerus flexes arm
  • 4. MUSCLES OF THE POSTERIOR COMPARTMENT OF THE ARM MUSCLE ORIGIN INSERTION ACTION triceps brachii long head lateral head medial head infraglenoid tubercle of the scapula posterior humerus posterior humerus olecranon process of the ulna olecranon process of the ulna olecranon process of the ulna extends arm and forearm forearm extension forearm extension MUSCLES OF THE ANTERIOR COMPARTMENT OF THE FOREARM MUSCLE ORIGIN INSERTION ACTION pronator teres medial epicondyle of the humerus radius pronates forearm flexor carpi radialis medial epicondyle of the humerus metacarpals flexes and abducts hand palmaris longus medial epicondyle of the humerus palmar aponeurosis flexes hand flexor carpi ulnaris medial epicondyle of the humerus carpal and metacarpals flexes and adducts hand flexor digitorum superficialis medial epicondyle of the humerus middle phalanges 2nd to 5th digit flexes phalanges flexor digitorum profundus ulna and interosseus membrane distal phalanges 2nd to 5th digit flexes phalanges flexor pollicis longus anterior radius and interosseus membrane distal phalanx of the thumb flexes thumb pronator quadratus distal and anterior ulnar shaft distal and anterior radius pronates forearm, hold radius and ulna together
  • 5. MUSCLES OF THE POSTERIOR COMPARTMENT OF THE FOREARM MUSCLE ORIGIN INSERTION ACTION brachioradialis lateral supracondylar ridge of the humerus styloid process of the radius flexes forearm extensor carpi radialis longus lateral supracondylar ridge of the humerus second metacarpal bone extends and abducts hand extensor carpi radialis brevis lateral epicondyle of the humerus third metacarpal extends and abducts hand extensor digitorum lateral epicondyle of the humerus middle and distal phalanges of medial four fingers extends fingers and hand extensor carpi ulnaris lateral epicondyle of the humerus fifth metacarpal extends and adducts hand supinator lateral epicondyle of the humerus proximal end of radius supinates forearm abductor pollicis longus posterior radius and posterior ulna first metacarpal abducts and extends thumb extensor pollicis brevis radius and posterior ulna proximal phalanx of the thumb extends thumb extensor pollicis longus ulna and posterior radius distal phalanx of the thumb extends thumb extensor indicis posterior ulna extensor expansion of index finger extends index finger extensor digiti minimi lateral epicondyle of the humerus extensor expansion of the little finger extends little finger anconeus lateral epicondyle of the humerus olecranon process of ulna abducts ulna during pronation; elbow extension
  • 6. INTRINSIC MUSCLES OF THE HAND MUSCLE ORIGIN INSERTION ACTION abductor pollicis brevis scaphoid, trapezium proximal phalanx of the thumb abducts thumb opponens pollicis trapezium thumb metacarpal rotates first metacarpal medially, i.e., opposition of the thumb flexor pollicis brevis trapezium, 1st metacarpal proximal phalanx of thumb flexes and adducts thumb adductor pollicis capitate, 2nd and 3rd metacarpal proximal phalanx of the thumb adducts thumb MUSCLES ASSOCIATED WITH THE ANTERIOR COMPARTMENT OF THE THIGH MUSCLE ORIGIN INSERTION ACTION iliopsoas iliac fossa, transverse processes of lumbar vertebrae lesser trochanter of the femur flexes hip sartorius anterior superior iliac spine medial tibia flexes, laterally rotates thigh; flexes and medially rotates leg at the knee quadriceps femoris rectus femoris vastus lateralis vastus medialis vastus intermedius anterior inferior iliac spine greater trochanter of the femur linea aspera shaft of the femur all four: via quadriceps tendon into patella, then ligamentum patellae onto tibial tuberosity of the tibia rectus femoris only - flexes thigh at hip all four - extends leg at knee pectineus superior ramus of pubis linea aspera of femur flexes, adducts thigh tensor fascia latae anterior superior iliac spine, iliac crest iliotibial tract flexes and abducts thigh
  • 7. MUSCLES ASSOCIATED WITH THE MEDIAL COMPARTMENT OF THE THIGH MUSCLE ORIGIN INSERTION ACTION gracilis inferior ramus and body of the pubis medial surface of tibia adducts thigh at hip; flexes leg at knee adductor longus pubis linea aspera of femur adducts and flexes thigh at hip adductor brevis body and inferior ramus of the pubis lineas aspera of femur adducts thigh at hip adductor magnus inferior ramus of pubis and ischium, ischial tuberosity lineas aspera of femur adducts and flexes thigh at hip MUSCLES ASSOCIATED WITH THE GLUTEAL REGION AND POSTERIOR COMPARTMENT OF THE THIGH MUSCLE ORIGIN INSERTION ACTION gluteus maximus posterior ilium, sacrum, and coccyx iliotibial tract, gluteal tuberosity of femur extends and laterally rotates hip gluteus medius lateral ilium greater trochanter of the femur abducts thigh at hip biceps femoris long head short head ischial tuberosity linea aspera head of fibula, lateral condyle of tibia flexes and laterally rotates leg at knee long head only - extends thigh at hip semitendinosus ischial tuberosity medial tibia extends thigh at hip; flexes and medially rotates leg at knee semimembranosus ischial tuberosity medial condyle of tibia extends thigh at hip; flexes and medially rotates leg at knee gluteus minimis external surface of ilium greater trochanter of femur abducts and medially rotates thigh piriformis lateral surface of ilium greater trochanter of femur rotates and extends thigh laterally, abducts thigh quadratus femoris ischial tuberosity intertrochanteric crest of femur rotates thigh laterally
  • 8. MUSCLES ASSOCIATED WITH THE ANTERIOR COMPARTMENT OF THE LEG MUSCLE ORIGIN INSERTION ACTION tibialis anterior lateral condyle of tibia cuneiform and base of 1st metatarsal dorsiflexes and inverts the foot; extends toe extensor hallucis longus anterior fibula, interosseous membrane distal phalanx of great toe dorsiflexes and inverts foot; extends big toe extensor digitorum longus lateral condyle of tibia, proximal fibula, interosseous membrane phalanges of toes 2-5 dorsiflexes foot and extends toes fibularis (peroneus) tertius anterior fibula, interosseous membrane fifth metatarsal dorsiflexes and everts foot MUSCLES ASSOCIATED WITH THE LATERAL COMPARTMENT OF THE LEG MUSCLE ORIGIN INSERTION ACTION fibularis (peroneus) longus head of fibula cuneiform, base of 1st metatarsal plantar flexes and everts foot fibularis (peroneus) brevis distal fibula fifth metatarsal plantar flexes and everts foot MUSCLES ASSOCIATED WITH THE POSTERIOR COMPARTMENT OF THE LEG MUSCLE ORIGIN INSERTION ACTION gastrocnemius lateral and medial condyle of the femur calcaneus plantar flexes the foot, weak flexor of leg at knee soleus proximal tibia, proximal fibula, interosseous membrane calcaneus plantar flexes the foot flexor digitorum longus posterior tibia distal phalanges lateral four toes plantar flexes and inverts foot; flexes toes flexor hallucis longus middle shaft of fibula distal phalanx great toe plantar flexes and inverts foot; flexes great toe tibialis posterior tibia and fibula navicular bone plantar flexes and inverts foot