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Muscular System
 

Muscular System

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Muscular System for occupational therapy students

Muscular System for occupational therapy students

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    Muscular System Muscular System Presentation Transcript

    • Muscular Systemfor students of occupational therapy Anatomy & physiology 2 Lecturer: Mohammed Subhi El-Lulu
    • Muscle Types Skeletal Cardiac Smooth2 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Skeletal muscle characteristics Attach bone by tendon Many nuclei Striated Voluntary Surrounded By C.T3 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Function of Skeletal Muscle Produce Movement Maintain Posture Stabilize Joint Generate Heat4 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Naming of skeletal muscle Size Location Direction Origin & Insertion Shape No. of Origins5 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 1- Direction of muscle Relative to the Midline RECTUS means parallel to midline • Rectus Abdominus TRANSVERSE means perpendicular to midline • Transverse Abdominus OBLIQUE means diagonal to midline • External Oblique6 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 2- Location of muscle Structure near which a muscle is found Muscle near frontal bone = Frontalis Muscle near the Tibia = Tibialis anterior7 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 3- Size of muscle MAXIMUS means largest • Gluteus Maximus MINIMUS means smallest • Gluteus Minimus LONGUS means longest • Fibularis Longus BREVIS means short • Fibularis Brevis TERTIUS means shortest Fibularis Tertius8 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 4- Number of origins of muscleNumber of tendons of origin BICEPS means two • Biceps Brachii TRICEPS means three • Triceps Brachii QUADRICEPS means four  Quadriceps Femoris9 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 5- Shape of muscle  DELTOID means having a triangular shape  TRAPEZIUS means having a trapezoid shape  SERRATUS means having a saw-toothed shape (Serratus Ant.) RHOMBOIDEUS meanshaving a diamond shape(Rhomboid Major 10 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 6- Origin & Insertion (Origin): attached to less or immovable bone. (Insertion): attached to the movable bone.  STERNOCLEIDOMASTOID: attaches to the Sternum, Clavicle, and Mastoid Process  ILIO COSTALIS: attaches to the ilium & ribs 11 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Function of muscleNAME ACTION EXAMPLEFLEXOR Decrease ang’hile at a joint Flexor Carpi RadialisEXTENSOR Increase angle at a joint Extensor Carpi UlnarisABDUCTOR Move bone away from midline Abductor Pollicis LongusADDUCTOR Move bone toward midline Adductor LongusLEVATOR Produces upward movement Levator ScapulaeDEPRESSOR Produces downward movement Depressor Labii InferiorisSUPINATOR Turn palm upward/anteriorly SupinatorPRONATOR Turn palm downward/posteriorly Pronator Teres12 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Body MusclesExtremity Movement
    • 6 muscle groups of head and neck Eye Facial Mastication Tongue Neck Pharynx14 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 15 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Muscles of vertebral columnSpinal Flexor TransversospinalisSuperficial Spinal Extensor Spinalis group Longissimus group Iliocostalis groupDeep Spinal Extensor Semispinalis group Multifidus muscle Interspinalis muscles Intertransversarii muscles Rotatores musclesOblique Muscles compress underlying structures rotate vertebral columnRectus Muscles flex vertebral column oppose erector spinae 16 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 17 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 18 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 19 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 6 muscles that position the Pectoral GirdleTrapezius Rhomboid Subclavius • Serratus • Levator • Pectoralis Scapulae Minor20 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Trapezius, Rhomboid, Levator Scapulae21 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Serratus, Pectoralis minor22 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Subclavius23 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Muscles that move the Arm Deltoid Subscapularis Supra Teres major spinatus Rotator Cuff Infraspinatus Latissimus Teres minor dorsi Coraco brachialis24 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Deltoid “major abductor”25 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Supraspinatus “assists deltoid”26 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Subscapularis & teres major“medial rotation at shoulder27 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Infraspinatus & teres minor“lateral rotation at shoulder”28 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Coracobrachialis“flexion & adduction at shoulder”29 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Pectoralis major “flexion of shoulder”30 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Latissmus dorsi“Extension of shoulder joint”31 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Rotator Cuff32 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 13 muscles that move Forearm & Hand • Biceps brachii “flex elbow, stabilize joint”A • Triceps brachii “extend elbow” • Brachialis and brachioradialis “flex elbow”B • Anconeus “opposes brachialis” • Palmaris longus ”flex wrist” • Flexor carpi ulnaris ”flex/ adduct wrist”C • Flexor carpi redialis “flex/ abduct wrist” • Extensor carpi radialis “extend/ abduct wrist”D • Extensor carpi ulnaris “extend/ adduct wrist” • Pronator teres and supinator “rotate radialis”E • Pronator quadratus “assist pronator teres”33 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • 34 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Biceps brachii “flex elbow, stabilize joint”35 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Triceps brachii “extend elbow”36 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Brachialis and brachioradialis “flex elbow”37 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Anconeus “opposes brachialis”38 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Palmaris longus ”flex wrist”Flexor carpi ulnaris ”flex/ adduct wrist”Flexor carpi redialis “flex/ abduct wrist39 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Extensor carpi radialis “extend/ abduct wrist”Extensor carpi ulnaris “extend/ adduct wrist”40 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Pronator teres and supinator “rotate radialis”Pronator quadratus “assist pronator teres”41 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Muscles that move the hand and figures42 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Posterior Extensor Retinaculum43 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Anterior Flexor Reticulum44 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Muscles that move Lower Limb45
    • Thigh and Gluteal MusclesoCover lateral surface of ilia. Gluteus maximus:  largest, most posterior gluteal muscle  produces extension and lateral rotation at hip Tensor fasciae latae:  works with gluteus maximus  stabilizes iliotibial tract Gluteus medius and gluteus minimus:  originate anterior to gluteus maximus insert on trochanter 46 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Muscles of Thigh47 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Trochanter48 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • (6) Lateral Rotators (Piriformis, Obturator)49 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Adductors of Thigh50 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Adductors of Thigh Pectineus Gracilis51 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Muscles thatmove the Leg Flexors of Knee Biceps femoris Semimembranosus- Semitendinosus Sartorius: Popliteus:52 Mohammed Subhi El-Lulu mohdlulu@hotmail.com
    • Muscles thatmove the Leg Extensors of KneeQuadriceps Femoris 3 vastus Rectus femoris53 Mohammed Subhi El-Lulu mohdlulu@hotmail.com