Muscles / Hamstrings
Biceps femoris (long head)
- Hamstrings
- Thigh & knee
- Superficial layer
Also called BFlh.
Part of Biceps femoris.
Anatomy
- Origin
- Ischial tuberosity
- Insertion
- Head of the fibula
- Nerve
- Tibial division of the sciatic nerve (L5-S2)
Actions
- Extends the hip
- Flexes the knee and laterally rotates it when flexed
Exercises that train it most
Notes
- 45° hip extension exercise gives a higher long head to semitendinosus activation ratio than the Nordic.
References (5)
- Bourne MN, Williams MD, Opar DA, Al Najjar A, Kerr GK, Shield AJ. Br J Sports Med. 2017;51(13):1021-1028. Impact of exercise selection on hamstring muscle activation
- Standring S, ed. Elsevier. Gray's Anatomy: The Anatomical Basis of Clinical Practice. 42nd ed.
- Dalley AF, Agur AMR. Wolters Kluwer. Moore's Clinically Oriented Anatomy. 9th ed.
- Neumann DA. Elsevier. Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation. 3rd ed.
- Betts JG, Young KA, Wise JA, et al. OpenStax (free, openly licensed textbook). Anatomy and Physiology 2e