Muscles moving the upper extremities
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This document summarizes the major muscles that move the upper extremities. It describes muscles that move the humerus, including the pectoralis major, latissimus dorsi, deltoid, supraspinatus, infraspinatus, teres minor, and teres major. It also describes muscles that act on the forearm, including the triceps brachii, biceps brachii, brachioradialis, and brachialis. Finally, it summarizes muscles that move the wrist, hand, and digits, such as the pronators, supinator, interosseous muscles, thenar group, and hypothenar group.
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1. The anterior compartment of the forearm contains superficial and deep flexor muscles. The superficial flexors originate from the medial epicondyle and insert at various locations in the hand. The deep flexors originate on the ulna and radius and insert at the base of the fingers.
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- Flexor and extensor muscle groups originate on the humerus, ulna, and radius to flex/extend the elbow, pronate/supinate the forearm, and flex/extend the wrist and fingers.
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The document describes the origin, insertion, and action of several back superficial muscles. The trapezius originates from the occipital bone, ligamentum nuchae, and cervical and thoracic vertebrae. It inserts on the clavicle, acromion, and spine of the scapula. Its actions include elevating, pulling medially, and pulling downward the scapula. The latissimus dorsi originates from the ilium, lumbar fascia, thoracic vertebrae, ribs, and scapula. It inserts on the humerus and extends, adducts, and medially rotates the arm. The levator scapulae originates from cervical
Back superficial
The document describes the origin, insertion, and action of several back superficial muscles. The trapezius originates from the occipital bone, ligamentum nuchae, and cervical and thoracic vertebrae. It inserts on the clavicle, acromion, and spine of the scapula. Its actions include elevating, pulling medially, and pulling downward the scapula. The latissimus dorsi originates from the ilium, lumbar fascia, thoracic vertebrae, ribs, and scapula. It inserts on the humerus and extends, adducts, and medially rotates the arm. The levator scapulae originates from cervical
Pelvis And Thigh 2
The document provides information on muscles of the quadriceps group, gluteal muscles, hip adductors, hamstrings, and other structures of the pelvis and thigh. It describes the actions, origins, insertions, innervations, and palpation techniques for each muscle or muscle group. Testing procedures are also outlined for assessing strength and range of motion.
Muscles of upper
The document describes several muscles of the human anatomy. It provides details on the origin, insertion, nerve supply and action of muscles like the pectoralis major, latissimus dorsi, trapezius, deltoid, biceps brachii, triceps brachii and various muscles of the forearm. The rotator cuff muscles that stabilize the shoulder joint are also discussed.
Scapular region
The document summarizes the origin, insertion, and action of several muscles in the scapular region. The deltoid originates on the clavicle, acromion, and spine of the scapula and inserts on the humerus, abducting the arm. The supraspinatus originates on the supraspinous fossa and inserts on the greater tuberosity, abducting the arm. The infraspinatus and teres minor both originate on the scapula, insert on the greater tuberosity, and laterally rotate the arm.
Muscles study guide word doc
This document provides information on various muscles including their action, origin, insertion, and innervation. It describes muscles of the head, neck, eye, face, trunk, shoulder, arm, forearm, gluteal region, thigh, leg, and foot. For each muscle it lists its action, origin attachment point, insertion attachment point, and the nerve that innervates it. There are over 30 muscles described.
عملي تشريح سنة اولي ترم اول
The document summarizes the anatomy of the equine forelimb and shoulder. It describes the bones, joints, muscles and other structures. Key points include:
- The scapula lacks an acromion and has a tuber scapular halfway along its spine. The radius and ulna are fused.
- Major muscles include the trapezius, brachiocephalic, latissimus dorsi, and pectoral which act to protract and retract the limb.
- The shoulder and elbow joints are synovial joints surrounded by capsules. The carpal joint is a compound joint between the radius/ulna, carpal bones, and metacarpals.
- Extrinsic
تشريح اولي عملي
The document summarizes the anatomy of the equine forelimb and shoulder. It describes the bones, joints, muscles and other structures. Key points include:
- The scapula lacks an acromion and has a tuber scapular halfway along its spine. The humerus has greater and lesser tubercles.
- The radius and ulna are fused so movement is only in the sagittal plane. They are joined by ligaments proximally and fused distally.
- Major muscles include the trapezius, brachiocephalic, latissimus dorsi, and pectoral which act to protract and retract the limb. Intrinsic shoulder muscles include the delto
13 ms Forearm.ppt
This document describes the anatomy of the forearm. It is divided into several sections. The forearm has two bones - the radius and ulna - connected by an interosseous membrane. The forearm fascia and intermuscular septa divide the forearm into compartments containing muscles, nerves and blood vessels. The forearm muscles are divided into superficial, intermediate and deep flexor groups in the anterior compartment and superficial, deep and lateral groups in the posterior compartment. Each muscle's origin, insertion and action are described.
1. Muscles of upper limb .pdf
This document describes the anatomy of several muscles. It provides details on the origin, insertion, nerve supply and action of the pectoralis major, pectoralis minor, subclavius, trapezius, latissimus dorsi, levator scapulae, rhomboid minor, rhomboid major, deltoid, supraspinatus, infraspinatus, teres minor, teres major, subscapularis, serratus anterior, rotator cuff muscles, biceps brachii, coracobrachialis, brachialis, triceps, muscles of the anterior forearm compartment including pronator teres, flexor car
Origins and insertions
This document provides information on muscles of the upper extremity, back, thorax, abdomen, thigh, and leg. It lists the origin, insertion, action, and innervation of each muscle. In 3 sentences: The document lists over 50 muscles and their attachments, functions, and nerve innervation. It covers muscles of the shoulder, arm, forearm, hand, back, chest, abdomen, hip, thigh, and leg in detail. The information is presented systematically with the muscle name, origin, insertion, action, and innervating nerve for each entry.
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Muscles moving the upper extremities
- 1. Muscles moving the Upper Extremities
- 2. Muscles that move the Humerus Pectoralis major Action: Flexes, adducts and rotates arm medially at shoulder Origin: Clavicle, sternum, costal cartilage of upper ribs Insertion: Humerus-greater tubercle
- 3. Latissimus dorsi Action: Extends, adducts and rotates humerus medially, retracts the shoulder (swimmers muscle) Origin: Spine of sacral lumbar and lower thoracic vertebra. Iliac crest, and bottom 4 ribs. Insertion: Intertubercular groove of the humerus.
- 4. Deltoid Action: Flexes and medially rotates arm, abducts arm, extends and laterally rotates arm. Origin: acromian process, spine of scapula, clavicle Insertion: Deltoid tuberocity of the humerous
- 5. Supraspinatus Action: Abducts arm Origin : Supraspinous fossa of scapula Insertion: Greater tubercle of humerus
- 6. Infraspinatus Action: Adducts and laterally rotates arm Origin: Infraspinous fossa of scapula Insertion: Greater tubercle of humerus
- 7. Teres minor Action: Adducts and laterally rotates arm Origin: upper lateral border of scapula Insertion: Greater tubercle of humerus
- 8. Teres major Action: Medially rotates and adducts arm Origin: Inferior angle and lateral border of scapula Insertion: Crest of lesser tubercle of the humerus
- 9. Muscles that act on the forearm Triceps brachii Action: Extend forearm Origin: Long head-infraglenoid tubercle of the scapula Lateral Head-posterior surface above radial groove. Middle Head-posterior humerous below radial groove. Insertion: Olecranon process of the Ulna
- 10. Pass, Fail, Pass, FailPronator TeresFlexor carpi radialisPalmaris longusFlexor carpi ulnaris
- 11. Pronator Teres
- 12. Flexor carpi radialis Flexor carpi ulnaris
- 13. Palmaris longus
- 14. THE 3 B’S THAT BEND THE ELBOW: Biceps brachii, Brachioradialis, Brachialis
- 15. Biceps brachii Action: Flex and supinate the forearm Origin: Short head- goes to the corocoid process of scapula Long head-supraglenoid tubercle of scapula. Insertion: radiotuberocity and fascia of forearm
- 16. Brachioradialis Action: Flexes forearm Origin: lateral supercondylar ridge of humerus. Insertion: Styloid process of radius
- 17. Brachialis Action: Flexes forearm Origin: The distal anterior surface of the humerus. Insertion: The coronoid process of the ulna
- 19. Pronators Pronator quadratus Pronator teres
- 22. Origin:
- 23. the laterally epicondyle of the humerous and crest of the ulna.
- 24. Insertion:
- 26. Palmar Interosseous muscles Action: Adduct digits 2,4 and 5 Origin: palmar surface of metacarpals 2,4,5 Insertion: sides of proximal phalange bases for fingers 2,4,5
- 27. Dorsal Interosseous Muscles Action: Abduct digits 2-4 Origin: adjacent sides of metacarpal bones. Insertion: dorsal tendons on fingers 2-5
- 28. Thenar Group Flexor pollicis brevis Opponens pollicis Abductor pollicis brevis Actions: Flexes thumb Abducts thumb Opposition of thumb Don’t need to know origins/insertions
- 29. Hypothenar Group Flexor digiti minimi brevis Abductor digiti minimi Opponens digiti minimi Actions: Flexes finger 5 Abducts pinky Opposition of pinky Don’t need to know origins/insertions