shoulder muscles Flashcards by ash thomas

Q

subclavius origin

A

first rib

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Q

subclavius insertion

A

clavicle

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Q

subclavius action

A

depress clavicle, stabilize

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Q

subclavius nerve

A

subclavian

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Q

pec minor origin

A

upper ribs

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Q

pec minor insertion

A

coracoid process

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Q

pec minor action

A

protraction

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Q

pec minor nerve

A

pectoral

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Q

serratus anterior origin

A

superior ribs

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Q

serratus anterior insertion

A

vertebral border

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Q

serratus anterior action

A

scapular protraction

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Q

serratus anterior nerve

A

long thoracic

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Q

trapezius origin

A

ligamentum nuchae, spinous process

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Q

trapezius insertion

A

clavicle, acromion, spine of scapula

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Q

trapezius action

A

scapular retraction, stabilization, depression

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Q

trapezius nerve

A

spinal accessory

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Q

Levator scapulae origin

A

transverse process

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Q

Levator scapulae insertion

A

superior vertebral border

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Q

Levator scapulae action

A

elevation

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Q

Levator scapulae nerve

A

dorsal scapular

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Q

rhomboid major origin

A

spinous process T2-T5

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Q

rhomboid major insertion

A

vertebral border of inferior spine

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Q

rhomboid major action

A

retraction

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Q

rhomboid major nerve

A

dorsal scapular

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Q

rhomboid minor origin

A

spinous process C7-T1

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Q

rhomboid minor insertion

A

vertebral border to spine

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Q

rhomboid minor action

A

retraction

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Q

rhomboid minor nerve

A

dorsal scapular

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Q

pec major origin

A

clavicle and sternum

Q

pec major insertion

A

greater tubercle

Q

pec major action

A

IR, flexion, extension, horizontal adduction

Q

pec major nerve

A

pectoral

Q

latissimus dorsi origin

A

spinous processes, crests of ilium and sacrum

Q

latissimus dorsi insertion

A

intertubercular sulcus

Q

latissimus dorsi action

A

extends, IR, adduction

Q

latissimus dorsi nerve

A

thoracodorsal

Q

teres major origin

A

inferior angle of scapula

Q

teres major insertion

A

intertubercular sulcus

Q

teres major action

A

extends, IR, adduction

Q

teres major nerve

A

subscapular

Q

deltoid origin

A

acromion, distal clavicle, spine of scapula

Q

deltoid insertion

A

deltoid tuberosity

Q

deltoid action

A

IR, ER, flexion, extension, abduction

Q

deltoid nerve

A

axillary

Q

coracobrachialis origin

A

coracoid process

Q

coracobrachialis insertion

A

middle of medial shaft of humerus

Q

coracobrachialis action

A

flexion, adduction

Q

coracobrachialis nerve

A

musculocutaneous

Q

subscapularis origin

A

subscapular fossa

Q

subscapularis insertion

A

lesser tubercle of humerus

Q

subscapularis action

A

IR

Q

subscapularis nerve

A

subscapular

Q

infraspinatus origin

A

infraspinous fossa

Q

infraspinatus insertion

A

greater tubercle of humerus

Q

infraspinatus action

A

ER

Q

infraspinatus nerve

A

suprascapular

Q

teres minor origin

A

lateral border of scapula

Q

teres minor insertion

A

greater tubercle of humerus

Q

teres minor action

A

ER, extension

Q

teres minor nerve

A

axillary

Q

supraspinatus origin

A

supraspinous fossa

Q

supraspinatus insertion

A

greater tubercle of humerus

Q

supraspinatus action

A

stabilization, assist in abductions

Q

supraspinatus nerve

A

suprascapular

Q

biceps brachii origin

A

superior to glenoid fossa and coracoid process

Q

biceps brachii insertion

A

radial tuberosity

Q

biceps brachii action

A

flexes glenohumeral joint

Q

biceps brachii nerve

A

musculocutaneous

Q

triceps brachii origin

A

inferior to glenoid fossa, posterior humerus

Q

triceps brachii insertion

A

olecranon

Q

triceps brachii action

A

extend glenohumeral joint

Q

triceps brachii nerve

A

radial