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Hamstrings sciatic nerve

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Hamstrings and course of sciatic nerve

  • For the use of MBBS undergraduates
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Hamstrings sciatic nerve

  1. 1. Origin – Ischial Tuberosity Insertion – Bones of leg Tibia / Fibula Supplied by Tibial division of Sciatic Nv. Flexors of knee and extensors of Hip Semitendinosus Semimenranosus Biceps Femoris Ischial part of Adductor Magnus
  2. 2. BACK OF LEFT THIGH
  3. 3. Biceps Femoris iLio tibial tract Rt. Knee lat. Side
  4. 4. SACRAL PLEXUS – SCIATIC NERVE Dorsal divisions Ventral divisions L4 L5 S1 S2 S3 Lumbosacral trunk Superior gluteal Inferior gluteal Sciatic nerve Common peroneal part Tibial part Q.Femoris / Inf.Gem. Obt.Int. Post.cut.nr.of thigh. Piriformis
  5. 5. Compression of nerve against femur - Unusual stretching after sitting for long time “ Sleeping foot” - Shooting pain along cutaneous distribution of sciatic nerve – begins in gluteal region; radiates to back of thigh, lateral side of leg, dorsum of foot. - Compression of sciatic nerve by Osteoarhtitis, Lumbar disc prolapse, spondylolisthiasis, Fibrositis, Neuritis etc. penetrating wounds, dislocation / fracture of pelvis – foot drop and sensory loss.
  6. 6. VERTICAL LINE HORIZONTAL LINE HIGHEST P[OINT OF ILIAC CREST SAFE INJECTION REGION SCIATIC NERVE ISCHIAL TUBEROSITY

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