How does the energy from ATP get to converted to mechanical energy?

[want2graduate]

OK, so ATP releases energy. At what point are things moving? How does this "energy" lead to a muscle fiber contracting?

 

[Drakkith]

See 'crossbridge cycling' in this wiki article: https://en.wikipedia.org/wiki/Muscle_contraction#Crossbridge_cycling

 

[Ygggdrasil]

On the molecular level, see this thread for a discussion of how ATP hydrolysis can make molecular motor proteins move: https://www.physicsforums.com/threads/how-do-conformational-changes-take-place.919839/