The tricep is a muscle with three heads of origin, particularly the triceps brachii, which is situated on the back of the upper arm and contracts to extend the forearm
the muscle on the outside of the upper arm It is responsible for extending the elbow and gets its name from the three bundles of muscle fibers which compose it
The muscles on the back of the upper arms that straighten your elbows and allow you to push your arms forward You use them when you're fly-fishing or pushing a running stroller