SFN can be associated with numerous metabolic disorders, and is characterized by spontaneous burning ... the site of pain (distal calf) and at an unaffected site (proximal thigh).

These include: Gluteal muscles, muscles of the buttocks, which lie to the back of the hip Abductor muscles, found in the inner thigh Iliopsoas muscles, also known as hip flexors, which move across the ...

This can lead to pain, weakness, or numbness in the front of the thigh and lower ... Symptoms Sharp or burning pain in the ...