Posterior thigh and popliteal fossa Flashcards
What are the medial boarders of the posterior thigh and popliteal fossa
Semimebranosus (1)
Semitendinosus (2)
What is the lateral boarder of the posterior thigh and popliteal fossa?
Biceps Femoris (6)
What is the medial head of the posterior thigh and popliteal fossa?
Gastrocnemius (3)
What is the lateral head of the posterior thigh and popliteal fossa?
Gastrocnemius (5)
What is the center of the posterior thigh and popliteal fossa?
Popliteal fossa
What are the posterior thigh muscles?
Semimembranosus
Semitendinosus
Biceps Femoris
All of the posterior thigh muscle arise from ____________, expect __________?
Ischial tuberosity, short head of biceps femoris
What is the origin of short head of biceps Femoris?
Linea aspara and lateral supracondylar ridge
What is the innervation of the short head of biceps Femoris?
Common fibulae (peroneal ) branch of the sciatic nerve
What are the divisions of the Sciatic nerve?
Tibial and Common Fibular ( peroneal ) Division
What are the nerves in the Tibial nerve?
Sural nerve. , lateral and medial plantar nerve
What are the nerves in the common fibular nerve?
deep fibular nerve, superficial fibular nerve and lateral Sural cutaneous nerve
What nerve innverates muscles in the posterior leg?
Lateral plantar nerve and medial nerve
What nerve supplies innervates the anterior leg?
Deep Fibular Nerve
What nerve supplies innervates the lateral leg?
Superficial Fibular Nerve
What is muscles originate from the ischial tuberosity?
Long head of the Biceps Femoris
Semtitendinosus
Semimebranosus
What is the short head origin for biceps Femoris?
Lateral lip of the linea aspera and lateral supracondylar ridge of femur
What is insertion of the Biceps Femoris?
Head of fibular and lateral condyle of Tibia
What is the innervation of the Biceps Femoris?
Long head: tibial division of sciatic nerve
Short head: common fibular division of sciatic nerve
What is the spinal levels of Biceps Femoris?
L5,S1,S2
What muscle flexes and laterally rotates the leg at the knee?
Biceps Femoris
What muscle extend the thigh at the hip?
Long head : Biceps Femoris
What is muscles flexes the leg and medially rotates the tibia?
Semitendinosus
Semimembranous
What muscles extends the thigh at hip?
Semimembranosus and Semitendinosus
What is the insertion of Semitendinosus?
Medial surface of the proximal tibia
What is the innervation of Semitendinosus?
Tibial division of the sciatic nerve
What are the spinal levels of Semitendinosus?
L5,S1,S2
What forms the pes anserinus?
Semitendinosus, tendons of Sartorius and gracilis
What is the insertion of of the Semimebranosus?
Posterior aspect of the medial condlye of the tibia
What is the innervation Semimebranosus?
Tibial division of the sciatic nerve
What are the spinal levels of Semimebranosus?
L5,S1,S2
What forms the Obique popliteal ligament?
Parts of the Semimebranosus tendon, which is reflected
What are the contents of the popliteal fossa?
Popliteal A., Popliteal V. Common Fibular N. And Tbial N.
Describe the Sural N.
Sural Communication N and Medal Sural. Cutaneous N. And SURAL N.
What nerve supply skin along the distal 2.3rd of the posterolateral calf and lateral aspect of the foot over the 5th digit?
SURAL NERVE
What are the variation in the formation of the Sural Nerve?
Tibial Nerve, Common Fibular nerve, medial Sural standouts nerve, Sural communicating nerve, and lateral Sural cutaneous nerve
What are the branches from the popliteal A?
- Superior lateral and superior medial genicular AA,
- Middle genicular A
- Sural A.
- Inferior lateral and inferior medial genicular AA.
- Posterior and Anterior tibial A
- Fibular A.
What makes the Sural nerve?
Sural communicating Nerve and Medial Sural cutaneous Nerve
