For example, your elbow joint has two muscles that move your forearm up or down. These are the biceps on the front of the upper arm and the triceps on the back of the upper arm: to raise the forearm, ...

Medically reviewed by Mallory Christopherson, DC Key Takeaways The shoulder joint is made up of four joints that work ...

Raise your hand if you want to improve your posture and basal metabolic rate, increase your grip strength, and tone your arms. If your hand is in the air, it’s time you crush a back and biceps workout ...