LAB Upper Limb Muscles

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Author:
julianne.elizabeth
ID:
146103
Filename:
LAB Upper Limb Muscles
Updated:
2012-04-07 20:14:59
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LAB Upper Limn Muscles
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Description:
LAB Upper Limn Muscles
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  1. Coracobrachialis

    Origin: coracoid process of the scapula

    Insertion: medial surface of humerus

    Action: flexion and adduction of humerus
  2. Biceps Brachii

    Origin: corachoid process of the scapula

    Insertion: Radial Tuberosity

    Action: flexes and supinates forearm
    • Brachialis

    Origin: Lower half of humerus

    Insertion: coronoid process of ulna

    Action: flexes forearm
    • Brachioradialis

    Origin: above laternal epicondyle of humerus

    Insertion: lateral surface of radius above styloid process

    Action: flexes forearm
  3. Triceps Brachii

    Origin: scapula

    Insertion: olecranon process of ulna

    Action: extends forearm
    • Supinator

    Origin: later epicondyle of humerus

    Insertion: lateral upper 1/3 od radius

    Action: supinates forearm
    • Pronator Teres

    Origin: medial epicondyle of humerus

    Insertion: middle lateral surface of radius

    Action: pronotes forearm
    • Flexor Carpis Radialis

    origin: medial epicondyle of humerus

    Insertion: 2nd and 3rd metacarpals

    Action: flexes wrist
    • Flexor Carpis Ulnaris

    Origin: medial epicondyle of huermus

    Insertion: pisiform

    Action: flexes wrist
    • Palmaris Longus

    Origin: medial epicondyle of humerus

    Insertion: palmar aponeurosis

    Action: flexes wrist
    • Flexor digitorum superficialis
    • *deep to flexor carpi ulnaris

    Origin: humerus

    Insertion: middle phalanges of digits 2-5

    Action: flexes middle and proximal phalanges of digits 1-5
    • Flexor pollicis longus

    origin: radius, ulna

    insertion: distal phalanx 1

    Action: flexes thumb
    • Extensor Carpi radialis longus

    origin: humerus

    insertion: 2nd metacarpal

    action: extends wrist
    • Extensor carpi radialis brevis

    origin: humerus

    insertion: 3rd metacarpal

    action: extends wrist



  4. Extensor Carpi Ulnaris

    Origin: lateral epicondyle of humerus

    Insertion: 5th metacarpal

    Action: extends wrist
    • Extensor Digitorum
    • Origin: lateral epicondyle of humerus

    insertion: proximal and middle phalanges of digits 2-5

    Action: extension of digits 2-5
  5. Extensor Pollicis Longus

    Origin: ulna and radius

    Insertion: Distal Phalanx of Thumb

    Action: Extends Thumb
  6. Extensor Pollicis Brevis

    Origin: Radius

    Insertion: Proximal Phalanx of Thumb

    Action: Extends thumb
    • Abductor Pollicis Longus
    • Origin: interosseus membrane

    Insertion: Trapezium and 1st metacarpal

    Action: abducts thumb
  7. Abductor Pollicis Brevis

    Origin: flexor retinaculum

    Insertion: proximal phalanx of thumb

    action: Abducts thumb

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