Re: Questions for the Thigh and Popliteal Fossa

Comments:
: : : Questions for the Thigh and Popliteal Fossa : : : 1. Despite a total lesion of the tibial portion of the sciatic nerve, flexion of the knee remains possible. : : True...sartorius and some of gracilis : Agreed. and short head biceps : : : 2. Despite a total lesion of the sciatic nerve; flexion of the knee remains possible. : : True...sartorius and some of gracilis : Agreed. : : : 3. Despite total lesions of the sciatic nerve and the femoral nerve; flexion of the knee remains possible. : : True...partially by gracilis : Agreed. : : : 4. Despite total lesions of the sciatic nerve, femoral nerve, and obturator nerve; flexion of the knee remains possible. : : False...all muscles that assist in flexion are paralyzed : Agreed. : : : 5. The first perforating artery supplies the upper part of the posterior thigh. : : True...a branch supplies sup glut a. : Agreed. Cruciate anastomosis : : : 6. The popliteal artery supplies the lower region of the posterior thigh. : : False...perforating a.'s of deep a. of thigh : Arteries to regions. : : : 7. The inferior gluteal artery supplies a branch to the sciatic nerve. : : May be true for both enter inferior to piriformis : Agreed. See related post. : : : 8. The perforating arteries supply the sciatic nerve. : : may have offshoots? : Agreed. : : : 9. The popliteal artery supplies the sciatic nerve. : : Depends on when sciatic nerve branched? : Agreed. depends on the region and if sciatic nerve reaches popliteal fossa. : : : 10. The posterior surface of the distal femur contributes to the posterior boundary of the popliteal fossa. : : True : Anterior : : : 11. The superior medial genicular artery circles the femur at a location superior to the adductor tubercle and deep the tendon of the posterior adductor magnus. : : True : Agreed. : : : 12. The inferior lateral genicular artery crosses the posterior surface of the popliteus muscle. : : True : Agreed. And more. : : : 13. The oblique popliteal ligament, derived from the tendon of insertion of the semimembranosus, crosses the posterior knee capsule from inferior lateral to superior medial. : : False...inferomedially to superolaterally : Agreed. : : : 14. The fibular circumflex artery supplies the common peroneal nerve. : : True : Agreed. : : : 15. The middle genicular artery enters the intercondyler fossa from the anterior border of the popliteal fossa. : : False...in enters through the posterior of the popluteal fossa (posterior of knee joint) : See related post. : : : 16. The pes anserinus is related to 3 motor nerves, three compartments of the thigh, and one sensory nerve. : : True (femoral, obturator, sciatic (tibial)...ant. med. post....superficial peroneal n.? : Agreed. Saphenous nerve : : : 17. Lymph from the dorsal lateral region of the foot drains to the popliteal lymph nodes. : : True...swelling of those nodes can cause decreased venous drainage and swelling of the leg and foot : Agreed. good : : : 18. The long head of the biceps femoris is innervated by the common peroneal part of the sciatic nerve. : : False...thats the short head : Agreed. : : : 19. The posterior part of the adductor magnus arises from the ischial spine, inserts on the adductor tubercle, and is innervated by the obturator nerve. : : True : Wrong for origin and innervation. : : : 20. The semitendinosus has a long tendon of origin. : : False...of insertion : Agreed. : : : 21. The semitendinosus contributes to the pes anserinus. : : True...Sgt. Goose : Agreed. : : : 22. The short head of the biceps femoris, unlike the hamstring muscles, can flex the knee despite that the hip is fully extended. : : False...the hamstrings can all flex the leg and the hip : See related post : : : 23. The posterior femoral cutaneous nerve, at mid-thigh, is posterior to the hamstrings. : : True...cutaneous : Agreed. : : : 24. Only one nerve arises from lateral side of the sciatic nerve and this nerve innervates the short head of biceps femoris. : : True...a branch from the common peroneal : Agreed. see related post : : : 25. The short head of the biceps femoris flexes the knee, laterally rotates the knee, and flexes the hip. : : False...only flexes the leg : Agreed. And laterally rotates leg. The knee is capable of rotation. Know about popliteus and locking/unlocking. : : : 26. The femoral vein, within the adductor canal, is deep to the femoral artery and the popliteal vein, within the popliteal fossa, is superficial to the popliteal artery. : : False...the popliteal a. is medial to politeal v. : See related post : : : 27. The femoral vein, within the adductor canal, is posterior to the femoral artery and the popliteal vein, within the popliteal fossa, is anterior to the popliteal artery. : : same question as 26? : No. Anterior/Posterior is the same. Superficial/Deep switches at the axis. 26 and 27 go together. Terminology. : : : 28. The ascending branch of the lateral femoral circumflex artery contributes to the genicular anastomosis. : : False...anastomosizes with sup glut a. : Agreed. And contributes to the cruciate anastomosis of the hip. : : : 29. The superior lateral genicular artery passes through the adductor hiatus. : : True : see related post. : : : 30. The superior medial genicular artery passes deep to the tendon of insertion from the posterior adductor magnus. : : True : Agreed. : : : 31. The descending genicular artery passes through the adductor hiatus. : : True? Does it arise from the femoral : The descending genicular does not enter the popliteal fossa. : : : 32. The inferior lateral genicular artery crosses the posterior surface of the popliteus muscle. : : True...if crosses means runs superficial to the popliteus muscle? : Agreed. And possibly the arcuate ligament. Posterior surface of popliteus at the indicated location is a superficial surface.

Link URL:  
Link Title:
Image URL: