I bought a road bike this summer rode at least 3 days per week. Most rigorous rides were approx 35 miles with 2500 ft elevation. When it got too dark/cold to ride outdoors, I joined a gym and tried a spinning class so I wouldn't lose my conditioning.
I went early and met with instructor-told here i never stand when I bike- I always sit, even when climbing hills. She said just go at own pace, but then she would stand in front of each of us and count while we did whatever the exercise was and would even turn the resistance up or down for us. I could feel my thighs ache as soon as I started standing and biking but figured that was normal. Then we did an exercise that required us to bike standing up then sitting down in rapid succession. Even though I felt like I might collapse at any moment, I pushed and lasted the entire hour. My legs felt like rubber and i could hardly walk home.
I thought - So far, so good After all I knew it was going to be hard!
The next day I could barely walk- I am not talking muscle ache here - I am talking BARELY FUNCTIONAL. I thought a hot bath would help but no way I could get into or out of the tub. This lasted for an entire week. (I couldn't even lower or raise myself from a toilet seat without assistance.) It was 10 days before I was pain free and able to even WALK at a normal pace again.
I haven't heard anyone else report being anywhere near this incapacitated. Did I do something wrong? Is there something I need to do to LEARN -like HOW to stand while biking - or some sort of stretches- before I try again. Its been 18 days now, but even though I finally recovered and have no residual pain, right now I'm scared to ever go back!