Popliteal Fossa & Leg

1.Soleus muscle

2.A 60-year-old lady was brought to the casuality following a history of fall at her residence. On clinical examination, the anatomical orientation of her right lower limb was disturbed. X-ray showed posterior dislocation of her right hip joint. With your anatomical knowledge answer the following questions.

• a) Name the nerve which can be injured in this patient.
• b) Give the root value of the nerve.
• c) Name one clinical procedure that can cause injury to this nerve.
• d) Describe the course of this nerve.
• e) Name the branches of this nerve and the muscles supplied by those branches

1.Popliteal fossa

2.Extensor retinaculum of lower limb

3.Popliteal fossa – boundaries, contents and applied anatomy

1.Structures passing beneath the extensor retinaculum of the foot

1.Transverse section through middle of leg

2.Muscles that form Tendo achilles

3.Cross section at middle of leg. Name the following

4.Superomedial boundary of popliteal fossa

5.Structures in the floor of popliteal fossa

1.Assertion: Peroneus longus muscle has effects on lateral longitudinal and transverse arches of foot.

• Reason: The tendon of the peroneus longus lies in the groove on the undersurface of the cuboid
• a) Both A and R are true, and R is the reason for A
• b) Both A and R are true, and R is not the reason for A
• c) A is correct but R is incorrect
• d) A is incorrect but R is correct

2.Assertion: Popliteal artery pulsations can be felt in popliteal fossa Reason: Popliteal artery is located superficially in the popliteal fossa xiv. Assertion: The sinuses of pericardium are formed by the reflection of serous pericardium Reason: During cardiac surgery, the ligature is passed through the oblique sinus

• a) Both A and R are true, and R is the reason for A
• b) Both A and R are true, and R is not the reason for A
• c) A is correct but R is incorrect
• d) A is incorrect but R is correct

3.The most medial structure passing under the inferior extensor retinaculum of the foot is

• a) Deep peroneal nerve
• b) Tibialis anterior
• c) Anterior tibial artery
• d) Peroneus brevis