Serratus Anterior & Deltoids

Serratus Anterior Insertion

Anterior Medial Scapula

Anterior Deltoid Insertion

Deltoid Tuberosity

Middle Deltoid Insertion

Deltoid Tuberosity

Posterior Deltoid Insertion

Deltoid Tuberosity

Anterior Deltoid Origin

Lateral 1/3 of Clavicle

Middle Deltoid Origin

Lateral Aspect of Acromeon Process

Serratus Anterior Origin

Lateral Ribs 1-9

Serratus Anterior Actions

Scapular Protraction, Scapular Upward Rotation

Middle Deltoid Action

Shoulder Abduction

Posterior Deltoid Actions

Shoulder Extension, Shoulder External Rotation, Shoulder Horizontal Abduction

Anterior Deltoid Action

Shoulder Flexion, Shoulder Internal Rotation, Shoulder Adduction

Posterior Deltoid Origin

Spine of Scapula