Nerve Anatomy and Functions

The video tutorial provides a comprehensive overview of the lumbosacral plexus in ox, detailing its formation from lumbar and sacral nerves. It explains the lumbar plexus, its nerves, and their functions, followed by an overview of the sacral plexus. The sciatic nerve, its branches, and the tibial nerve are discussed in detail, highlighting their anatomical paths and functions. The tutorial concludes with a summary and revision of the key points covered.

What nerves form the lumbosacral plexus in ox?

• L5, L6, S1, S2, S3

• L3, L4, L5, S1, S2

• L4, L5, L6, S1, S2

• L4, L5, L6, S2, S3

Which nerve is primarily formed from the L4 spinal nerve?

• Femoral nerve

• Obturator nerve

• Lateral cutaneous femoral nerve

• Sciatic nerve

What is the largest branch of the lumbar plexus?

• Obturator nerve

• Femoral nerve

• Lateral cutaneous femoral nerve

• Sciatic nerve

Which nerve supplies the middle and deep gluteus muscles?

• Sciatic nerve

• Cranial gluteal nerve

• Femoral nerve

• Caudal gluteal nerve

From which nerves is the sciatic nerve formed?

• L4, L6, S2

• L4, L5, S1

• L5, L6, S1

• L6, S1, S2

What is the largest nerve in the body?

• Femoral nerve

• Tibial nerve

• Sciatic nerve

• Obturator nerve

Which nerve is also known as the external popliteal nerve?

• Tibial nerve

• Peroneal nerve

• Femoral nerve

• Obturator nerve

What is the continuation of the sciatic nerve called?

• Obturator nerve

• Femoral nerve

• Tibial nerve

• Peroneal nerve

Where does the tibial nerve divide into medial and lateral branches?

• At the ankle joint

• At the hock joint

• At the hip joint

• At the knee joint

Which branch of the tibial nerve forms the posterior medial abaxial digital nerve?

• Deep branch

• Superficial branch

• Medial branch

• Lateral branch