Sports physician Dr John Orchard works with the Sydney Roosters, the AFL and Cricket Australia. If you've got a question for the doc, don't hesitate to send it through here.

I rolled my ankle playing basketball and felt a snap on the outside of the foot, five centimetres in front of the anklebone. Since the swelling went down I’ve continued to play sport, but it feels unstable. Is there any point getting it seen by a specialist or will it heal naturally? Get answer

Four weeks ago I hurt my neck and shoulder in a touch footy collision. Now I can’t raise my right arm to eat. A CT scan showed neck damage and a prolapsed C6 disc. Is there anything I can do to restore my arm strength? Get answer

I had complications from surgery on a ruptured Achilles nine weeks ago, which resulted in the stitches holding the tendon together being removed only three weeks after the op. My surgeon thinks I might not play football and squash again. Is he right? Get answer

I tore my right rectus femoris [quad muscle] five months ago and recently strained the left one. What might be the problem? Get answer

I’ve been lifting weights for a year and I’ve noticed that my left elbow is becoming stiff and is cracking while I lift. It’s not painful, but I’d like to know what it is. Get answer

Occasionally when I do weights. my ears pop. I then can’t hear properly and have trouble equalising. Is this common? Should I consult a doctor? Can it damage my eardrums? Get answer

I’m a surfer suffering lower-back pain caused by the lowest disc in my spine being half as thick as the others. The chiropractor says I should avoid cobra-style back bends, while the physio disagrees. Who’s right? Get answer

I’ve been lifting weights for six months and now I get tightness along the outside of my thighs. What could be the cause of this? Get answer

I’ve been feeling discomfort on the right side of my groin when stretching after exercise and have noticed a hard lump that wasn’t there before. What is this and should I be worried? Get answer

I recently ruptured my anterior cruciate ligament playing footy and am having reconstructive surgery in the coming weeks. What is a realistic timeframe to start running/training again? Get answer

I have always had a weak left ankle. Recently, however, when playing football, the inside of my ankle swelled up so it looks like I have two ankles. It gives me problems sprinting and kicking with my left foot. What do you think? Get answer

I quit smoking in April last year after a 15-year, pack-a-day habit. Lately, I'm finding it increasingly hard to breathe when I go for a run. I thought after quitting the fags my lungs would improve? Any idea why it's getting worse? Get answer

I got a knock to the side of the head playing footy last week. I didn't black out but I had a headache the next day and now I'm light-headed. Am I right to play footy next week? Get answer

I play tennis regularly and have started to notice pain and swelling on the back of the base of my thumb, extending up my wrist. I also get a creaking sensation when I move my thumb. Any idea what it could be? Get answer