Shoulder + Upper Arm Muscles - Attachments and Actions Flashcards by Jade Briaud

Q

Deltoideus origin

A

spine, acromion of scapula

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Q

Deltoideus insertion

A

deltoid tuberosity

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Q

Deltoideus action

A

flex shoulder

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Q

Infraspinatous origin

A

infraspinous fossa

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Q

Infraspinatous insertion

A

infraspinatous tuberosity (humerus)

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Q

infraspinatous action

A

extend or flex shoulder

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Q

supraspinatous orgin

A

supraspinous fossa

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Q

supraspinatous insertion

A

greater tubercle (humerus)

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Q

supraspinatous action

A

extend shoulder

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Q

teres minor orgin

A

caudal border of scapula

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Q

teres minor insertion

A

humerus

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Q

teres minor action

A

flex shoulder

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Q

teres major origin

A

caudal border of scapula

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Q

teres major insertion

A

teres major tuberosity (humerus)

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Q

teres major action

A

flex shoulder

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Q

subscapularis origin

A

subscapular fossa

Q

subscapularis insertion

A

lesser tubercle (humerus)

Q

subscapularis action

A

adduct, extend shoulder

Q

coracobrachialis origin

A

coracoid process (scapula)

Q

coracobrachialis insertion

A

medial humerus

Q

coracobrachialis action

A

adduct, extend shoulder

Q

Tensor fasciae antebrachii origin

A

latissimus dorsi

Q

TFA insertion

A

olecranon (ulna)

Q

TFA action

A

extend elbow

Triceps brachii, long head orgin

caudal border of scapula

Tricep long head insertion

olecranon (ulna0

Tricep (all heads) action

extend elbow

Tricep lateral head origin

tricipital line (humerus)

tricep lateral head insertion

olecranon

tricep, accessory and medial head origin

proximal humerus

accessory and medial head of tricep insertion

olecranon

Aconeus origin

lateral and medial epicondyles

aconeus insertion

olecranon

aconeus action

extend elbow

Bicep brachii origin

supraglenoid tubercle

Bicep insertions

radial and ulnar tuberosities

biceps action

extend shoulder, flex elbow

Brachalis origin --> insertion

proximal humerus --> radial and ulnar tuberosities

brachialis action

flex elbow