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Anatomy > Anterior Compartment of the Forearm > Flashcards

Anterior Compartment of the Forearm Flashcards

1
Q

what is the common origin of the superficial compartment of the anterior forearm?

A

medial epicondyle of the humerus

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2
Q

what are the 4 muscles of the superficial compartment of the anterior forearm?

A

1) Pronator Teres
2) Flexor Carpi Radialis
3) Palmaris Longus
4) Flexor Carpi Ulnaris

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3
Q

Which of the muscles of the superficial compartment of the anterior forearm is most lateral?

A

pronator teres

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4
Q

what is the insertion of the pronator teres muscle?

A

lateral midshaft radius

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5
Q

what is the main action of pronator teres?

A

radioulnar pronation and synergist for elbow flexion

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6
Q

what is the innervation for pronator trees?

A

median nerve

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7
Q

how do the fibres of pronator teres run?

A

obliquely

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8
Q

what is different about pronator teres over the other muscles in this compartment?

A

it is the only one that doesn’t cross the radio carpal joint

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9
Q

what is the insertion o flexor carpi radialis

A

base of metacarpals II and III (palmar side)

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10
Q

what are the main actions of flexor carpi radialis

A

radiocarpal flexion and radiocarpal adduction

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11
Q

what is innervating the flexor carpi radials?

A

median nerve

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12
Q

what muscle of the superficial anterior compartment of the forearm are 15% of the population missing?

A

palmaris longus

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13
Q

what is the insertion of palmaris longus?

A

flexor retinaculum and palmar aponeurosis

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14
Q

what is the main action of palmaris longus?

A

radiocarpal flexion

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15
Q

which nerve innervates palmaris longus?

A

median nerve

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16
Q

what is the most medial muscle of the superficial anterior compartment of the forearm?

A

flexor carpi ulnaris

17
Q

what is the insertion of flexor carpi ulnaris?

A

base of metacarpal V

18
Q

what are the 2 main actions of flexor carpi ulnaris?

A

radiocarpal flexion and radiocarpal adduction

19
Q

what innervates the flexor carpi ulnaris muscle?

A

ulnar nerve

20
Q

which muscle makes the tendon that pisiform sits in, making it a sesamoid bone

A

flexor carpi ulnaris

Anatomy (22 decks)

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