Exercise 7: The Muscular System (Upper Extremity Muscles I) Flashcards by Sebastian Morón | Brainscape

Q

Origin of deltoid

A

scapula,

clavicle

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Q

Origin of biceps brachii

A

proximal radius

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Q

Origin of brachialis

A

humerus

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Q

Origin of brachioradialis

A

humerus

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Q

Origin of pronator teres

A

humerus,

coronoid process of ulna

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Q

Origin of flexor carpi radialis

A

medial epicondyle of humerus

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Q

Origin of palmaris longus

A

medial epicodyle of humerus

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Q

Origin of flexor carpi ulnaris

A

medial epicondyle of humerus,

ulna

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Q

Origin of extensor carpi radialislongus

A

humerus

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Q

Origin of extensor digitorum

A

lateral epicondyle of humerus

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Q

Origin of extensor carpi ulnaris

A

lateral epicondyle of humerus

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Q

Insertion of extensor carpi ulnaris

A

5th metacarpal

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Q

Insertion of extensor digitorum

A

distal phalanges of 2nd to 5th digits

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Q

Insertion of extensor carpi radialislongus

A

2nd and 3rd metacarpals

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Q

Insertion of flexor carpi ulnaris

A

pisiform,
hamate,
base of 5th metacarpal

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Q

Insertion of palmaris longus

A

flexor retinaculum,

palmar aponeurosis

Q

Insertion of flexor carpi radialis

A

2nd and 3rd metacarpals

Q

Insertion of pronator teres

A

radius

Q

Insertion of brachioradialis

A

styloid process of radius

Q

Insertion of brachialis

A

coronoid process of ulna

Q

Insertion of biceps brachii

A

proximal radius

Q

Insertion of deltoid

A

humerus

Q

Action of deltoid

A

abducts arm,

flexes and extends shoulders

Q

Action of biceps brachii

A

flexes elbow,

supinates arm

Q

Action of brachialis

A

flexes arm

Q

Action of brachioradialis

A

flexes forearm

synergist of brachialis

Q

Action of pronator teres

A

pronates forearm

Q

Action of flexor carpi radialis

A

flexes wrist,

abducts hand

Q

Action of palmaris longus

A

weakly flexes hand at wrist joint

Q

Action of flexor carpi ulnaris

A

flexes and abducts hand at wrist joint

Q

Action of extensor carpi radialislongus

A

extends and abducts wrist

Q

Action of extensor digitorum

A

extends fingers,

flares or abducts fingers

Q

Action of extensor carpi ulnaris

A

extends and abducts wrist