These brave readers share their most embarrassing fitness moments.

Cringe-worthy stories? You've got 'em! These are the four submissions that made us blush hardest:

Spinning in circles.
At my second day of spin class, I could not get the spinning shoes to disconnect from the pedals. The teacher was talking people through the cool down and he didn't notice that I was stuck. Finally, I got my feet out, but had to leave my shoes pedaling along!--RV 

Access denied.
My gym's membership card is the same dimensions as an MTA card. I've accidentally handed my MTA card to the front desk attendees so many times, they don't even give me weird looks anymore!--BL
Our advice: Try keeping all your gym gear in this sleek arm band.

Bump & bruise.
While running down the West Side Highway, a truck swerved into the path. Instead of stopping, I decided to jump over a chain that was about two feet high--my left leg made it but my right shin landed on the chain and I fell. I had a fist sized bruise on my left hip!--JK
Check out these spring running tips for jogging outdoor safely.

Missed memo.
While I was in the shower after an exercise class, I missed the announcement that a handyman would be coming in to fix something. There I was, stark naked, when in he walked. I was so stunned, I just froze!--AB 

Got a mortifying moment to share? Send it to us! (Use subject line "Embarrassing.")