Question

The crossbridges involved in muscle contraction are located on the

Answer 1

The layer of connective tissue that separates the muscle tissue into small sections is called the perimysium.  

First understand that cross-bridge is something work as cycling between actin and myosin is responsible for muscular contraction.

A single cross-bridge cycle consists of four basic stages.

It is important to know that all muscles whether skull, cardiac are contracted by crossbridge cycling