Slideshow: Posterior Thigh Hamstrings
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Slideshow: Posterior Thigh Hamstrings The Funky Professor videos can be viewed here; http://publishing.rcseng.ac.uk/journal/video?videoTaxonomy=FUNK
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Slideshow: Posterior Thigh Hamstrings
- 2. The thigh is divided into 2 physical compartments divided by the Medial and Lateral Intermuscular Septa -Anterior compartment -Posterior compartment
- 3. The Posterior Compartment of the thigh has two functionally different sets of muscles •The Adductors •The Hamstrings The Adductor Muscles do not have a distinct fascial boundary, but are continuous with the muscles of the posterior compartment also known as the Hamstrings
- 4. In total the thigh is divided into 3 functional compartments 1. Anterior or Extensor compartment 1. Medial or Adductor compartment 1. Posterior or Flexor compartment
- 5. Skin Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint
- 6. Septa SeptaSubcutaneous Fat Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint
- 7. Femur Septa Septa Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint
- 8. Femur Septa Septa Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint medial intermuscular septum lateral intermuscular septum
- 9. Femur Septa Septa Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint Anterior / Extensor compartment Anterior Compartment
- 10. Femur Septa Septa Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint Anterior / Extensor compartment Anterior Compartment Adductor Compartment
- 11. Femur Septa Septa Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint Anterior / Extensor compartment Anterior Compartment Adductor Compartment Hamstring Compartment
- 12. The Hamstring Muscles of the Posterior Compartment of the Thigh
- 13. The Hamstring Muscles of the Posterior Compartment of the Thigh There are 3 muscles - Biceps Femoris - Semitendinosus - Semimembranosus
- 14. The Hamstring Muscles of the Posterior Compartment of the Thigh There are 3 muscles - Biceps Femoris - Semitendinosus - Semimembranosus These muscles cross the Hip and Knee joints and coordinate extension of the Hip with flexion of the Knee
- 15. The Hamstring muscles arise from the Ischial Tuberosity posterior aspect
- 16. The Hamstring muscles arise from the Ischial Tuberosity posterior aspect The Hamstrings lie beneath the Gluteus Maximus muscle
- 17. There are two muscles on the medial aspect of the posterior thigh
- 18. Semimembranosus Inserts onto the posterior aspect of the Medial Tibial Condyle Originates from the Superior Lateral Quadrant of the Ischial Tuberosity
- 19. Femur Septa Septa Thigh compartments mediallateral posterior anterior Anterior / Extensor compartment Anterior Compartment Adductor Compartment Semimembranosus
- 20. Inserts onto the superior aspect medial Tibial shaft Semitendinosus Originates from the Superior Lateral Quadrant of the Ischial Tuberosity
- 21. Femur Septa Septa Thigh compartments mediallateral posterior anterior Anterior / Extensor compartment Anterior Compartment Adductor Compartment Semitendinosus
- 22. Biceps Femoris Has two heads and lies laterally
- 23. Biceps Femoris The Long Head originates from a combined tendon with the semimembranosus on the superior medial quadrant of the ischial tuberosity
- 24. Biceps Femoris The Long Head originates from a combined tendon with the semimembranosus on the superior medial quadrant of the ischial tuberosity The Short Head arises from the Femoral Shaft -middle third of the Linea Aspera -Lateral Supracondylar Ridge
- 25. Femur Septa Septa Thigh compartments mediallateral posterior anterior Cross section through right mid-thigh looking towards hip joint Anterior / Extensor compartment Anterior Compartment Adductor Compartment Biceps Short head Biceps Long Head
- 26. Biceps Femoris The two muscles unite to form an aponeurosis that inserts onto -fibular head -lateral collateral ligament of the knee -lateral tibial condyle
- 27. Femur Septa Septa Thigh compartments mediallateral posterior anterior Anterior / Extensor compartment Anterior Compartment Adductor Compartment Biceps Short head Biceps Long Head Semitendinosus Semimembranosus
- 28. Nerve Supply of the Posterior Thigh
- 29. At its origin the Sciatic Nerve is the thickest nerve in the body - 2cm
- 30. At its origin the Sciatic Nerve is the thickest nerve in the body - 2cm It exits the pelvis through the Greater Sciatic Foramen and runs down the posterior aspect of the thigh
- 31. The Sciatic Nerve has two components -Tibial Division -Common Peroneal Division The level at which the Sciatic nerve divides into its component parts is variable It is usually at the middle to lower third of the thigh, but can be as high as the origin of the sciatic nerve itself
- 32. The Hamstring muscles are supplied by the Sciatic Nerve The Short Head of Biceps is supplied by the Common Peroneal Division
- 33. Hamstring muscles are supplied by the Sciatic Nerve Semimembranosus Semitendinosus Long Head of Biceps Femoris Are supplied by the Tibial Division
- 34. The Tibial Division of the Sciatic Nerve also supplies the Hamstring portion of Adductor Magnus
- 36. Semimembranosus Origin Superior lateral quadrant of posterior surface ischial tuberosity Insertion Posterior surface of the medial tibial condyle Action Extends hip, flexes and medially rotates the knee Nerve Supply Tibial portion of sciatic nerve (L5, S1) Blood Supply Perforating branches of profunda femoris artery, inferior gluteal artery, and the superior muscular branches of popliteal artery Posterior thigh
- 37. Semitendinosus Origin Superior medial quadrant, posterior surface ischial tuberosity Insertion Superior aspect, medial tibial shaft Action Extends hip, flexes and medially rotates knee Nerve Supply Tibial portion sciatic nerve (L5, S1) Blood Supply Perforating branches of profunda femoris artery, inferior gluteal artery, superior muscular branches of popliteal artery Posterior thigh
- 38. Posterior Thigh Biceps Femoris Origin Long Head: Superior medial quadrant of the posterior surface of the ischial tuberosity Short Head: Middle third linea aspera, lateral supracondylar ridge of femur Insertion Fibular head, with extensions to lateral collateral ligament and lateral tibial condyle Action Flexes the knee, rotates tibia laterally, extends the hip joint Nerve Supply Long head: tibial component of sciatic nerve, Short head: common peroneal component of sciatic nerve (L5, S1) Blood Supply Perforating branches of profunda femoris artery, inferior gluteal artery, superior muscular branches of popliteal artery