Explanation - 

Hesselbach’s triangle : It is present on anterior abdominal wall

1. Lateral - Inferior epigastric artery (branch of femoral artery)

2. Medial - Rectus abdominis muscle  (lateral border)

3. Inferior - Inguinal ligament

Explanation -

1. Superior gluteal nerve supply to gluteus medius and minimus muscle.

2. Inferior gluteal nerve supply to gluteus maximus muscle.

Explanation - Generally three types of questions are asked on femoral triangle.

Que. type 1. Femoral triangle : Content (from lateral to medial)

Femoral nerve, Femoral artery, Femoral vein, lymph node

Que. type 2. Femoral sheath : Content (from lateral to medial)

Femoral artery, Femoral vein, lymph node

Que. type 3. Femoral canal : Content - only lymph node

for more detail click on below pic.

Explanation - 

Foot drop : due to common peroneal nerve (CPN) injury (it runs lateral to fibula neck)

CPN branches - Superficial and deep peroneal nerve

Patient foot position - Planter flexed and everted

for more detail click on below pic.

Explanation - 

Popliteus muscle - nerve supply - Tibial nerve

for more detail click on below pic.

Explanation - 

Inferior epigastric artery, Deep circumflex iliac artery both are the branch of external iliac artery.

for more detail click on below pic.

Explanation - Generally three types of questions are asked on femoral triangle.

Que. type 1. Femoral triangle : Content (from lateral to medial)

Femoral nerve, Femoral artery, Femoral vein, lymph node

Que. type 2. Femoral sheath : Content (from lateral to medial)

Femoral artery, Femoral vein, lymph node

Que. type 3. Femoral canal : Content - only lymph node

for more detail clock on below pic.