10 - Muscles: Scapula and Arm FCT

Moves scapula upwards, out, and forward

• serratus anterior

• pectoralis minor

• rhomboids

• teres major

Draws scapula forward and down

• serratus anterior

• pectoralis minor

• rhomboids

• teres major

Moves scapula back, together, and down

• serratus anterior

• pectoralis minor

• rhomboids

• teres major

extends, adducts and medially rotates humerus. Synergist of the latissimus dorsi.

• serratus anterior

• pectoralis minor

• rhomboids

• teres major

Prime mover of arm flexion and adduction; rotates forearm medially

• Pectoralis Major

• Latissimus dorsi

• Deltoid

• Rotator cuff muscles

Prime mover of arm extension and adduction. Plays an important role in bringing the arm down in a power stroke.

• Pectroalis Major

• Latissimus dorsi

• Deltoid

• Rotator cuff muscles

Prime mover of arm abduction when all fibers are active.

• Pectroalis Major

• Latissimus dorsi

• Deltoid

• Rotator cuff muscles

Reinforces the capsule of the shoulder joint to prevent dislocation of the humerus.

• Pectroalis Major

• Latissimus dorsi

• Deltoid

• Rotator cuff muscles

Stabilizes, raises, retracts, rotates the scapula. Also extends the head and neck.

• trapezius

• Levator scapula

• serratus anterior

• rhomboids

elevates/adducts the scapula

• trapezius

• Levator scapula

• serratus anterior

• rhomboids