Muscles - Forearm Flashcards by Spencer Swayne

Q

Brachioradialis (s) insertion

A

Radius (styloid)

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Q

Brachioradialis (s) origin

A

Humerus

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Q

Brachioradialis (s) action

A

Flexes forearm

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Q

Extensor carpi radialis longus (s) origin

A

Humerus (lateral epicondyle)

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Q

Extensor carpi radialis longus (s) insertion

A

Base of 2nd and 3rd metacarpals

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Q

Extensor carpi radialis longus (s) action

A

Extends and abducts hand

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Q

Extensor carpi radialis brevis (s) origin

A

Humerus (lateral epicondyle)

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Q

Extensor carpi radialis brevis (s) insertion

A

3rd metacarpal

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Q

Extensor carpi radialis brevis (s) action

A

Extends and abducts hand

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Q

Extensor digitorum (s) origin

A

Humerus (lateral epicondyle)

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Q

Extensor digitorum (s) insertion

A

Middle phalange

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Q

Extensor digitorum (s) action

A

Extends fingers and hand

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Q

Extensor digiti minimi origin

A

Humerus (lateral epicondyle)

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Q

Extensor digiti minimi insertion

A

5th phalange

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Q

Extensor digiti minimi action

A

Extends little finger

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Q

Extensor carpi ulnaris (s) origin

A

Ulna (lateral epicondyle and posterior border)

Q

Extensor carpi ulnaris (s) insertion

A

5th metacarpal & middle phalange

Q

Extensor carpi ulnaris (s) action

A

Extends and adducts hand

Q

Flexor carpi ulnaris (s) origin

A

Humerus (medial epicondyle), ulna (olecranon)

Q

Flexor carpi ulnaris (s) insertion

A

Carpals and 5th metacarpal

Q

Flexor carpi ulnaris (s) action

A

Flexes and adducts hand

Q

Palmaris longus origin

A

Humerus (medial epicondyle)

Q

Palmaris longus insertion

A

Palmar aponeurosis

Q

Palmaris longus action

A

Flex wrist

Flexor carpi radialis (s) origin

Humerus (medial epicondyle)

Flexor carpi radialis (s) insertion

2nd metacarpal

Flexor carpi radialis (s) action

Flexes hand and forearm, abducts hand

Pronator teres origin

Humerus (medial epicondyle)

Pronator teres insertion

Radius

Pronator teres action

Pronate forearm

Extensor pollicis longus and brevis origin

Dorsal shaft of radius and ulna

Extensor pollicis longus and brevis insertion

Phalange

Extensor pollicis longus and brevis action

Extends thumb

Flexor pollicis longus origin

Anterior surface of radius

Flexor pollicis longus insertion

Distal phalange of thumb

Flexor pollicis longus action

Flexes thumb