OIA lab 6 Flashcards by Alexandra Kristensen | Brainscape

Q

origin of spinotrapezius

A

middorsal line from neural processes of most thoracic vertebrae

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Q

origin clavobrachialis

A

clavicle and raphe shared with clavotrapezius

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Q

Insertion clavobrachialis

A

medial surface of ulna, just distal to semiulnar notch

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Q

Action of clavobrachialis

A

flexes antebrachium

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Q

origin of strernomastoid

A

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Q

origin sphenodeltoid

A

midle third of spine of scapula

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Q

Insertion sphinodeltoid

A

deltoid ridge of humerus

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Q

acromiodeltoid origin

A

posterior margin of acromion of scapula

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Q

acromiodeltoid insertion

A

lateral surface of sphinodeltoid bone

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Q

acromiodeltoid action

A

flexes and rotates humerus laterally

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Q

levator scapulae ventralis action

A

draws scapula anteriorly

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Q

action triceps brachii

A

extend antebrachium

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Q

origin pectoantebrachialis

A

manubrium of sternum

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Q

insertion of pectoanterbrachialis

A

fascia covering proximal surface of antebrachium

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Q

action of pectoantebrachialis

A

adducts humerus

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Q

pectoralis major origin

A

anterior sternebrae

Q

P. major insertion

A

pectoral ridge of humerus

Q

P. major action

A

adducts humerus

Q

P. minor origin

A

body of sternum

Q

P. minor insertioin

A

pectoral ridge of humerus

Q

P minor action

A

adducts humerus

Q

Xiphihumeralis origin

A

xiphoid process of sternum

Q

biceps femoris action

A

flexes crus, abducts thigh