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Home > Anatomy & Physiology > Muscles > Semitendinosus

Semitendinosus

When running the hamstrings act eccentrically to slow down the knee extension motion. Hamstring strains are common in individuals with chronically tight hamstrings or who do not warm-up thoroughly.

Origin

  • Ischial tuberosity

Insertion

  • Upper medial surface of the tibia

Actions

  • Hip extension
  • Knee flexion
  • Internal rotation of the hip when the knee is flexed

Innervation

  • Tibial part of the sciatic nerve

Daily uses

  • Bending the knee to step over something

How can I stretch it?

How can I strengthen it?

Semitendinosus




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