Muscle Usage in the Pedal Stroke (Diagram)

Wigster

Found this diagram, seems a pretty interesting insight into the muscle group usage during the pedal stroke:


Also this one:

This has possibly been posted before - but I couldn't find it in search etc.

meanredspider

Certainly explains why my butt and quads are like cast iron 8)

Alex_Simmons/RST

The second one, taken from electrical activity measurement IIRC shows why the first one isn't right. e.g. look at the bicep femoris and semitendinosis (parts of hamstring).

DeVlaeminck

Yes the first one looks like a guess based on joint movement.