Treating Trigger Points in the Biceps Femoris
The Hamstring Muscles
Treating Trigger Points in Short Head Biceps Femoris - Stuart Hinds
During running, the hamstrings slow down the leg at the end of its forward swing and prevents the trunk from flexing at the hip joint
The hamstrings consist of three muscles. From medial to lateral they are the semimembranosus, semitendinosus, and biceps femoris.
Origin
Ischial tuberosity (sitting bone). Biceps femoris also originates from back of femur.
Insertion
Semimembranosus: back of medial condyle of tibia (upper side part of tibia).
Semitendinosus: upper medial surface of shaft of tibia. Biceps femoris: lateral side of head of bula. Lateral condyle of tibia.
Action
Antagonists: quadriceps.
Nerve
Branches of sciatic nerve, L4, 5, S1, 2, 3.
Basic Functional Movement
During running, the hamstrings slow down the leg at the end of its forward swing and prevents the trunk from flexing at the hip joint.
The Biceps Femoris in More Detail
Trigger Point Referred Pain Patterns
Semimembranosus and semitendinosus: strong 10 cm zone of pain, inferior gluteal fold, with diffuse pain posteromedial legs to Achilles tendon area.
Biceps femoris: diffuse pain posteromedial legs, with strong 10 cm zone posterior to knee joint.
Hamstrings - Referred Pain Patterns
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This trigger point therapy blog is intended to be used for information purposes only and is not intended to be used for medical diagnosis or treatment or to substitute for a medical diagnosis and/or treatment rendered or prescribed by a physician or competent healthcare professional. This information is designed as educational material, but should not be taken as a recommendation for treatment of any particular person or patient. Always consult your physician if you think you need treatment or if you feel unwell.
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