Proximal Forelimb Muscles Flashcards by Aimee Supinski | Brainscape

Q

Brachialis origin

A

Lateral side of proximal part of humerus

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Q

Brachialis insertion

A

Ulnar and radial tuberosities

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Q

Brachialis action

A

Flex elbow joint

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Q

Biceps brachii origin

A

Supraglenoid tubercle

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Q

Biceps brachii insertion

A

Ulnar and radial tuberosities

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Q

Biceps brachii action

A

Flex elbow joint and extend shoulder joint

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Q

Scapular deltoideus origin

A

Scapular spine

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Q

Scapular deltoideus insertion

A

Deltoid tuberosity

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Q

Acromial deltoideus origin

A

Acromion of scapula

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Q

Acromial deltoideus insertion

A

Deltoid tuberosity

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Q

Deltoideus action

A

Shoulder flexion

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Q

Infraspinatus origin

A

Infraspinous fossa

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Q

Infraspinatus insertion

A

Greater tubercle of the humerus

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Q

Infraspinatus action

A

Shoulder flexion/extension
Shoulder stability
Shoulder abduction
Lateral rotation of humerus

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Q

Teres minor origin

A

Infraglenoid tubercle and caudal border of scapula (distal third)

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Q

Teres minor insertion

A

Teres minor tuberosity on humerus

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Q

Teres minor action

A

Shoulder flexion
Lateral rotation of the shoulder
Prevent medial rotation

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Q

Supraspinatus origin

A

Supraspinous fossa

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Q

Supraspinatus insertion

A

Greater tubercle of the humerus

Q

Supraspinatus action

A

Extend and stabilize the shoulder joint

Q

Subscapularis origin

A

Subscapular fossa

Q

Subscapularis insertion

A

Lesser tubercle of the humerus

Q

Subscapularis action

A

Adduct shoulder
Extend shoulder
Medially rotate shoulder
Prevent lateral rotation

Q

Teres major origin

A

Caudal angle and caudal border of scapula

Q

Teres major insertion

A

Teres major tuberosity of humerus

Q

Teres major action

A

Shoulder joint flexion
Medial rotation of shoulder joint
Prevent lateral rotation

Q

Coracobrachialis origin

A

Coracoid process of scapula

Q

Coracobrachialis insertion

A

Lesser tubercle of humerus

Q

Coracobrachialis action

A

Adduct, extend, stabilize shoulder joint

Q

Tensor fasciae antebrachii origin

A

Fascia covering lateral side of latissimus dorsi

Q

Tensor fasciae antebrachii insertion

A

Olecranon

Q

Tensor fasciae antebrachii action

A

Extend elbow joint

Q

Long head of triceps brachii origin

A

Caudal border of scapula

Q

Long head of triceps brachii insertion

A

Olecranon tuber

Q

Long head of triceps brachii action

A

Extend elbow joint, flex shoulder joint

Q

Lateral head of triceps brachii origin

A

Tricipital line of humerus

Q

Lateral head of triceps brachii insertion

A

Olecranon tuber

Q

Lateral head of triceps brachii action

A

Extend elbow joint and flex shoulder joint

Q

Accessory head of triceps brachii origin

A

Neck of humerus

Q

Accessory head of triceps brachii insertion

A

Olecranon tuber

Q

Accessory head of triceps brachii action

A

Extend elbow joint

Q

Medial head of triceps brachii origin

A

Lesser tubercle of humerus

Q

Medial head of triceps brachii insertion

A

Olecranon

Q

Medial head of triceps brachii action

A

Extend elbow joint

Q

Anconeus origin

A

Lateral and medial epicondyles of humerus

Q

Anconeus insertion

A

Olecranon

Q

Anconeus action

A

Extend the elbow joint