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Muscle Name: Semimembranosus

Medical Name:

• Semimembranosus

Other Names:

• None

Head:

• None (Single muscle)

Movement:

• Flexion of the knee
  • Bending the leg
• Extension of the hip
  • Moving the thigh backward
• Medial rotation of the knee (when the knee is flexed)
  • Rotating the lower leg inward

Attachment:

• Origin:
  • Ischial tuberosity
• Insertion:
  • Posterior surface of the medial condyle of the tibia

Related Muscles:

• Biceps Femoris
• Semitendinosus
• Quadriceps
• Gluteus Maximus
• Adductor Magnus
• Sartorius
• Gracilis

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