word-forming element meaning 1. after, behind, 2. changed, altered, 3. higher, beyond; from Greek meta (prep.) in the midst of, in common with, by means of, in pursuit or quest of, from PIE *me-in the middle (cf. German mit, Gothic miÃ¾, Old English miÃ° with, together with, among; see mid).
Quick Answer. Pain and numbness on either the left or right thigh can be caused by meralgia paresthetica, peripheral neuropathy, multiple sclerosis and lupus, explains Healthgrades. Some other causes include injury, obesity, trauma and tight clothing, notes the American Academy of Orthopaedic Surgeons.
Next: Diagnosis & Tests for Thigh Weakness. This section discusses 23 medical conditions causing Thigh Weakness. A simple discussion of these causes with additional information is below. The following medical conditions are some of the possible causes of Thigh Weakness. There are likely to be other possible causes, so ask your doctor about your symptoms. Muscular dystrophy. Motor neurone disease. Long term steroid use. Chronic obstructive pulmonary disease.