I'm a 36yr old male and I've been working with a physical trainer for a few months and through diet and exercise have lost 28lbs. I've had 2 speed bumps along the way. The first was lowerback pain that was corrected by proper stretching of hip flexors. The 2nd still lingers with upper/inner right hamstring numbness and very tight and often painful right gluteus. Sometimes after sitting for a while, I get up slowly,hunched over a little bit and walking with a shorter stride on my right side. This condition didn't exist prior to the training. I do stretch before and after workouts and even on off days. I hope there is a stretch to correct this issue. Please tell me there is another stretch to fix this issue? Thank you.