Heh, he'd figure it out soon enough. They were just the leg muscles, after all, so it wouldn't be hard to find. It might have been a little hard to find a waifu, though, based on the hamstring muscle.

"That's it. Keep it up! You can do it!" she said, watching him. Thankfully this was much more of a cheering session than a careful spotting. The leg machine was designed to not need spotting much.