Exercise 7: Muscular System Anatomy (Upper Extremities - Pelvic Floor and Perineum) Flashcards by Sebastian Morón | Brainscape

Q

Insertion of deltoid muscles

A

humerus

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Q

Action of deltoid muscles

A

abducts arm,

flexes and extends shoulders

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Q

Origin of biceps brachii

A

coracoid process of scapula

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Q

Insertion of biceps brachii

A

proximal radius

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Q

Action of biceps brachii

A

flexes elbow,

supinates arm

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Q

Origin of brachialis

A

humerus

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Q

Insertion of brachialis

A

coronoid process of ulna

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Q

Action of brachialis

A

flexes arm

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Q

Origin of brachioradialis

A

humerus

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Q

Insertion of brachioradialis

A

styloid process of radius

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Q

Action of brachioradialis

A

flexes forearm

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Q

Origin of pronator teres

A

humerus,

coronoid process of ulna

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Q

Insertion of pronator teres

A

radius

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Q

Action of pronator teres

A

pronates forearm

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Q

Origin of flexor carpi radialis

A

medial epicondyle of humerus

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Q

Insertion of flexor carpi radialis

A

second and third metacarpals

Q

Action of flexor carpi radialis

A

flexes the wrist and abducts hand

Q

Origin of palmaris longus

A

medial epicondyle of humerus

Q

Insertion of palmaris longus

A

flexor retinaculum,

palmar aponeurosis

Q

Action of palmaris longus

A

weakly flexes hand at wrist joint

Q

Origin of flexor carpi ulnaris

A

medial epicondyle of humerus,

ulna

Q

Insertion of flexor carpi ulnaris

A

pisiform,
hamate,
base of fifth metacarpal

Q

Action of flexor carpi ulnaris

A

flexes and abducts hand at wrist joint

Q

Origin of extensor carpi radialislongus

A

humerus

Q

Insertion of extensor carpi radialislongus

A

2nd and 3rd metacarpals

Q

Action of extensor carpi radialislongus

A

extends and abducts wrist

Q

Origin of extensor digitorum

A

lateral epicondyle of humerus

Q

Insertion of extensor digitorum

A

distal phalanges of 2nd and 5th digits

Q

Origin of deltoid muscles

A

scapula,

clavicle