Origin: Spinous process of the 2nd to 5th thoracic vertebrae
Insertion: Medial border of the scapula from the spine to the inferior border
Action: adducts and slightly elevates the medial border, lower fibres aid in rotating the glenoid cavity inferiorly.
Origin: Ligamentum nuchae, spinous process of C7, T1
Insertion: Medial border of the scapula at the base of the spine of the scapula
Action: Adducts and slightly elevates the scapula
Position: Sitting up, scapula retracted and upper arm adducted to the posterior of the body, elbow is bent.
Stabilise: Same side shoulder
Monitor: Monitor the inner side of the upper arm directly away from the body, observing the scapula for any protraction from the spine.
Nerve Supply: Dorsal scapula, C4-5
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.