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Similar to popliteal fossa and its boundaries .ppt
popliteal fossa and its boundaries .ppt
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- 2. Shape Diamond Inter-MuscularSpace Boundaries 1 Upper Lateral Upper Medial 1 - Biceps Femoris 2 3 2 - Semitendinosus 3- Semimembranosus Lower Medial 4 5 6 4 - Medial Head of Gastrocnemius Lower Lateral 5 - Plantaris 6- Lateral Head of Gastrocnemius
- 4. Shape Boundaries Floor 1 2 3 1 - Popliteal Surface of Femur 2 - Backof the Capsule of Knee Joint 3 - Popliteus Muscle & Fascia Vertical Sectional View
- 5. Shape Boundaries Floor Roof 2 - Small Saphenous Vein 12 Skin Superficial Fascia Deep Fascia * End of Small Saphenous Vein *Medial Cutaneous Nerves of Thigh *Lateral Cutaneous Nerves of Calf Pierced by : 1 - Posterior Cutaneous Nerve of Thigh
- 6. Shape Boundaries Floor Roof Contents In Addition toDiagram * Genicular Branch of Posterior Division of Obturator Nerve * Popliteal Lymph nodes * Popliteal Fat
- 7. Contents to Be Discussed PoplitealArtery Popliteal Vein Lateral Popliteal Nerve Medial Popliteal Nerve
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- 9. Popliteal Artery Origin continuationof femoral artery Termination Course & Relations deepest structure in the popliteal fossa passes downward and laterally from the upper medial boundary of the fossa downward to the inferior angle Deep Relations : Floor of the fossa Superficial Relations Upper : semimembranosus Middle : Medial Popliteal N & Popliteal V Lower : Gastrocnemius
- 10. Popliteal Artery Branches Muscular GenicularSural Terminal Hamstrings & Calf Superior Medial & Lateral Inferior Medial & Lateral Middle Anterior & Posterior Tibial
- 11. Anastomosis Around KneeJoint 1 - GENICULAR BRANCHES OF POPLITEAL ARTERY . 2 - BRANCHES FROM FEMORAL ARTERY . 3 - BRANCHES FROM ANT &POST TIBIAL ARTERIES .
- 12. Contents to Be Discussed PoplitealArtery Popliteal Vein
- 13. Popliteal Vein Origin At lowerborder of Popliteus by Venae Comitantes of Ant & Post Tibial a . Termination Continue as Femoral V . Tributaries Small Saphenous Vein 5 Genicular Veins Muscular Veins
- 14. Contents to Be Discussed PoplitealArtery Popliteal Vein Lateral Popliteal Nerve
- 15. Lateral Popliteal Nerve (CommonPeroneal Nerve) L4,5 & S1,2 Origin Lateral & smaller of the 2 terminal branches of Sciatic Nerve Course & Relations 1 - enter fossa through its upper angel lateral to medial popliteal N 2 - descend downward laterally along medial border of Biceps Femoris Muscle 3 - leave fossa through lateral angel 4 - descend behind head of fibula curve around its neck inside substance of Peroneus Longus Muscle Termination
- 16. Lateral Popliteal Nerve (CommonPeroneal Nerve) L4,5 & S1,2 Branches Lateral Popliteal Nerve Muscular No Muscular Branches in the Fossa Supply Short head of Biceps Femoris in the back of the thigh Cutaneous Sural Communicating Nerve Lateral Cutaneous Nerve of the Calf Articular Superior Lateral Genicular Inferior Lateral Genicular Recurrent Genicular - Arise near end of the nerve - Pierce upper part of Tibialis Anterior - Ascend through substance of Extensor Digitorum Longus
- 17. Contents to Be Discussed PoplitealArtery Popliteal Vein Lateral Popliteal Nerve Medial Popliteal Nerve
- 18. Medial Popliteal Nerve (TibialNerve) L4,5 & S1,2,3 Origin Medial Terminal Branch of Sciatic Nerve Termination Become Posterior Tibial Nerve Course - Enter through Upper Angle - Most Superficial Structure - Leave through Lower Angle Coverings : - Upper part : Hamestring - Lower Part : Gastrocnemius Relation with Vessels : Lateral Superficial Medial
- 19. Medial Popliteal Nerve (TibialNerve) Branches Tibial Nerve Articular To Knee Joint - Superior Medial - Inferior Medial - Middle Genicular Nerves Cutaneous Sural Nerve Muscular
- 20. Sural Nerve * Descends inthe groove between 2 heads of Gastrocnemius by short saphenous nerve . * In the lower 1/3 of the leg, it is joined by the Sural Communicating branch of lateral popliteal nerve * It runs behind & below the lateral malleolus then forward along the lateral border of the foot . * It supplies the skin of the lower 1/3 of the back of the leg & lateral border of the foot & little toe .
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