Untitled Flashcards Set

Supraspinatus

Abducts the humerus.

Infraspinatus

Laterally rotates the humerus.

Teres minor

Laterally rotates the humerus.

Subscapularis

Medially rotates the humerus.

Pronator teres

Pronates the forearm.

Supinator

Supinates the forearm.

Biceps brachii

Responsible for elbow flexion and supination of the forearm.

Triceps brachii

Extends the elbow.

Anterior deltoid

Involved in shoulder flexion and medial rotation of the humerus.

Middle deltoid

Responsible for shoulder abduction.

Posterior deltoid

Involved in shoulder extension and lateral rotation of the humerus.

Pectoralis major

Facilitates shoulder flexion, adduction, and medial rotation of the humerus.

Latissimus dorsi

Responsible for shoulder extension, adduction, and medial rotation of the humerus.

Splenius capitis

Responsible for neck extension, hyperextension, and head abduction.

Sternocleidomastoid

Facilitates neck flexion and upward face movement.

Levator scapula

Elevates and retracts the scapula.

Upper trapezius

Involved in shrugging and elevating the scapula.

Middle trapezius

Responsible for retracting the scapula.

Lower trapezius

Involved in shoulder depression and retraction.

Rhomboideus major

Retracts the scapula.

Serratus anterior

Protracts the scapula and pushes the arm forward like hugging.

Masseter

Elevates the mandible.

Temporalis

Elevates the mandible.