Hi Willie--glad to help;
-What is your age & sex?
-How long has this been for?
-Any recent trauma or injury?
-Any history of Back problems?
Please note that your well-thought out responses to these questions will
greatly assist me in narrowing down the possible diagnoses, so I can reply to you
with more accurate and helpful medical advice.
Thanks, XXXXX XXXXX Your Online Family Doctor
Based on the info, your condition sounds strongly suspicious for a type of condition called a:
Muscular Dystrophy , which is a progressive, debilitating neuromuscular condition that often affects the lower extremities. Here's a detailed link:
The only way this can be ACCURATELY diagnosed (& treated) is by seeing a doctor, so I strongly advise you to go see an MD [an Internist or Neurologist would be a good start] soon, before the condition worsens.
I hope you found this to be helpful-IF SO, please hit **ACCEPT** as you read this Answer. (Positive Feedbacks appreciated also). THANKS !
(also-you can ask a followup Q, if you need to)
Best Wishes for your Health,