Muscle Identification- Lab 5

Rotator Cuff Muscles

Muscles that stabilize the shoulder joint.

Supraspinatus

A rotator cuff muscle that assists in shoulder abduction.

Infraspinatus

A rotator cuff muscle that facilitates shoulder external rotation.

Teres minor

A rotator cuff muscle involved in shoulder external rotation.

Subscapularis

A rotator cuff muscle that allows for shoulder internal rotation.

Glenohumeral Joint Muscles

Muscles that act on the shoulder joint.

Pectoralis Major

A muscle responsible for shoulder flexion, adduction, and internal rotation.

Deltoid

A muscle that facilitates shoulder flexion, abduction, and extension.

Latissimus Dorsi

A muscle that performs shoulder extension, adduction, and internal rotation.

Teres major

A muscle that assists in shoulder extension, adduction, and internal rotation.

Scapular Stabilizers

Muscles that stabilize the scapula.

Trapezius

A muscle that elevates, retracts, and depresses the scapula.

Levator Scapulae

A muscle that elevates the scapula.

Rhomboid Minor

A muscle that retracts the scapula.

Rhomboid Major

A muscle that retracts the scapula.

Serratus Anterior

A muscle that protracts the scapula.

Pectoralis Minor

A muscle that depresses the scapula.

Brachial Muscles

Muscles located in the upper arm.

Biceps brachii

A muscle involved in elbow flexion.

Triceps brachii

A muscle responsible for elbow extension.

Coracobrachialis

A muscle that assists in shoulder flexion.

Brachialis

A muscle that flexes the elbow.

Brachioradialis

A muscle that flexes the elbow.

Posterior Antebrachial Muscles

Muscles located in the posterior forearm.

Supinator

A muscle that supinates the forearm.

Extensor carpi radialis

A muscle that extends and radially deviates the wrist.

Extensor carpi ulnaris

A muscle that extends and ulnar deviates the wrist.

Extensor digitorum

A muscle that extends the digits.

Anterior Antebrachial Muscles

Muscles located in the anterior forearm.

Pronator teres

A muscle that pronates the forearm.

Palmaris longus

A muscle that flexes the wrist.

Flexor carpi radialis

A muscle that flexes and radially deviates the wrist.

Flexor carpi ulnaris

A muscle that flexes and ulnarly deviates the wrist.

Flexor digitorum superficialis

A muscle that flexes the digits.