Myotome testing is an essential part of neurological examination when suspecting radiculopathy. Myotomes are much more complex to test than dermatomes, since each skeletal muscle is …

Nov 16, 2025 · Myotomes are groups of muscles that receive signals from a single spinal nerve root. These muscle groups work together to perform a specific motor function. If you have …

Dec 13, 2025 · Myotomes are responsible for coordinating voluntary movement, while dermatomes relay sensation, such as touch or temperature. A problem affecting a single nerve …

May 14, 2018 · Examining myotomes and dermatomes is a vital part of a thorough neurological examination, particularly when a patient has a spinal cord injury. Check out our upper limb and …

Myotome testing of the lower extremity is done with the patient in supine lying position. As with sensory assessment, you should compare the affected and unaffected side.

Nov 6, 2025 · Each myotome originates from an early embryological structure known as a somite. These are paired blocks of mesoderm that give rise to skeletal muscle, bone, and dermis. The …

Jun 12, 2025 · A myotome refers to the spinal nerve root that innervates a particular skeletal muscle.

Jul 20, 2023 · The main function of the quadriceps femoris muscle is to extend the leg at the knee joint so this movement can be used to test L2-L4 myotomes. The femoral nerve also …

This video teaches you all you need to know about testing the myotomes of the lower limb and lumbar spine as a part of your neurological assessment! - Visit ...

Lower Limb Dermatomes, Myotomes, Sclerotomes. In the limbs, sensory fibers are distributed to an area further from the axis of the body than the motor fibers of the corresponding root. The …