brain, hearing, all organs
Muscle
Origin of Long Head: Ischial tuberosity and sacrotuberous ligament.
Origin of Short Head: Lateral side of the head of the Linea aspera, lateral supracondyle of femur, and lateral intermuscular septum.
Insertion: lateral side of the head of the fibula, lateral condyle of the tibia, and deep fascia on the lateral side of the leg.
Action: Flexes and laterally rotates the knee joint, and extends and assists with extension and lateral rotation of the hip joint.
![Biceps Femoris Long](https://images.spr.so/cdn-cgi/imagedelivery/j42No7y-dcokJuNgXeA0ig/fd38e63e-5e8d-4259-83bd-3974bd92d0b6/Hamstrings_BF_long.jpg/w=3840,quality=90,fit=scale-down)
![Biceps Femoris Short](https://images.spr.so/cdn-cgi/imagedelivery/j42No7y-dcokJuNgXeA0ig/bab31f43-6c25-46ec-94c9-08d33d3ae781/Hamstrings_BF_short.jpg/w=3840,quality=90,fit=scale-down)
Monitoring
Position: Lying prone, flex the knee 60°.
Rotation: Thigh laterally rotated.
Stabilise: On the sacrum.
Monitor: Apply pressure on the ankle in the direction of knee extension
Corrections
Nerve Supply: Sciatic (tibial branch) - L4, L5, S1, S2.
Visceral Nerves:
Sympathetic: L1-L3
Parasympathetic: S2
Neuro-Lymphatic Reflex:
Anterior: Bilateral 2cm from the midline, 2cm superior to the pubic symphysis
Posterior: Bilateral transverse process of L2.
Neuro-Vascular Reflex: Bilateral frontal eminences. Yuan Point: Bl64
Nutrition: Vit. A.