Look Both Ways

PASS IT ON.

Via @amichaelcody: The muscles usage of a cyclist and which muscles fire through the pedal stroke. Well demonstrated. … I don’t use all of these. I probably should. I think I only use A.

Via @amichaelcody:

The muscles usage of a cyclist and which muscles fire through the pedal
stroke. Well demonstrated.

… I don’t use all of these. I probably should. I think I only use A.