Origin: Subscapular fossa of the scapula.
Insertion: The lesser tubercle of the Humerus and the shoulder capsule.
Action: Medially rotates the shoulder, stabilises the shoulder joint. Assists in drawing the head of the humerus forward and down.
Position: Abduct the arm 70°, flex the elbow 90°
Rotation: Medially rotate the humerusto point the forearm toward the feet.
Stabilise: Anterior surface of the elbow.
Monitor: Apply pressure at the forearm above the wrist to externally rotate the humerus to point the forearm in a cranial direction.
Nerve Supply: Upper and lower subscapular - C5- C7
Sympathetic: L1, L2, L3
Parasympathetic: Vagus X, S2
Anterior: Bilateral anterolateral from hip to knee
Posterior: Bilateral region between L1, L4 &PSIS.
Neuro-Vascular Reflex: Bilateral parietal eminences-posterior aspect.
Yuan point: LI4
Nutrition: Bifidobacterium bifidum, Lactobacillus acidophilus, Vit. D, iron.