Muscles Group 2 (Forearm)

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    • Pronator Teres
    • Origin: medial epicondyle of humerus
    • Insertion: radius
    • Action: pronates forearm
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    • Flexor Carpi Radialis
    • Origin: medial epicondyle of humerus
    • Insertion: base of theĀ 2nd metacarpal
    • Action: flexes wrist
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    • Palmaris Longus
    • Origin: medial epicondyle of humerus
    • Insertion: palmar aponeurosis
    • Action: weak flexion of the wrist
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    • Flexor Carpi Ulnaris
    • Origin: medial epicondyle of the humerus
    • Insertion: pisiform and hamate
    • Action: flexes wrist
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    • Flexor Digitorum Superficialis
    • Origin: medial epicondyle of humerus
    • Insertion: middle phalanges 2-5 (excluding thumb)
    • Action: flexes fingers
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    • Flexor Pollicis Longus
    • Origin: radius
    • Insertion: distal phalanx of thumb
    • Action: flexes thumb
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    • Brachioradialis
    • Origin: lateral supracondylar ridge
    • Insertion: styloid process of radius
    • Action: flexes forearm
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    • Extensor Carpi Radialis Longus
    • Origin: lateral supracondylar ridge of humerus
    • Insertion: 2nd metacarpal
    • Action: extends hand
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    • Extensor Carpi Radialis Brevis
    • Origin: lateral epicondyle of humerus
    • Insertion: 3rd metacarpal
    • Action: extends hand
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    • Extensor Digitorum
    • Origin: lateral epicondyle of humerus
    • Insertion: extensor expansion of medial 4 digits
    • Action: extends fingers and hand
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    • Extensor Carpi Ulnaris
    • Origin: lateral epicondyle of humerus
    • Insertion: 5th metacarpal
    • Action: extends hand
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    • Extensor Digiti Minimi
    • Origin: lateral epicondyle of humerus
    • Insertion: extensor expansion of the 5th digit
    • Action: extends 5th digit
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    • Supinator
    • Origin: lateral epicondyle of humerus
    • Insertion: proximal radius
    • Action: supinates forearm
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    • Abductor Pollicis Longus
    • Origin: posterior surface of ulna and radius
    • Insertion: 1st metacarpal
    • Action: abducts thumb
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    • Extensor Pollicis Brevis
    • Origin: posterior surface of radius
    • Insertion: proximal phalanx of thumb
    • Action: extends thumb
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    • Extensor Pollicis Longus
    • Origin: posterior surface of ulna
    • Insertion: distal phalanx of thumb
    • Action: extends thumb
Author
madrat
ID
316756
Card Set
Muscles Group 2 (Forearm)
Description
Group 2 Muscle Origins, Insertions, and Actions for BI 231 PCC
Updated