Bilateral lower extremity contractures with neuropathy(shin/foot) over the last 10 years,minimally progressive,non diabetic, continuous CPK leak in the 300 s,without statin use.Allows unlimited walking but only slow 20min,/ml-3mph jogging,. Kneeling on one knee with the other foot flexed induces cramps in calf,Minimal gait instability especially if treadmill speed exceeds 3.5mph,exacerbated even more with incline.email YYYY@YYYY