Medically reviewed by Lauren Schlanger, MD Arm pain may be caused by injuries, overuse, arthritis, and nerve problems. Most ...

Pain in your arms is a common symptom with many different causes, from arthritis and overuse injuries like tendonitis to a heart attack.

Four important synovial joints used in most sporting actions are the elbow and shoulder joints in the arm, and the knee and ... made up of a round end of one bone that fits into a small cup ...

Lucy and other members of her species could walk well because their hip and knee joints were more like humans ... upper body as she moved. Lucy: arm bones With dangling, powerful arms, Lucy ...

The femur bone in the thigh is the longest and strongest ... radius and ulna work with your biceps and triceps to curl or extend your arm. Having many joints allows for complex fluid movements ...

Stronger arms and shoulders could help reduce your risk of injury, improve your posture, and increase muscle mass to protect your bones and stabilize your joints. A regular arm workout using just ...

Also, bone spurs can form at the joint, damaging the rotator cuff tendons. A sudden tear will usually cause intense pain in your shoulder and immediate weakness in your upper arm. Tears due to ...

From your shoulders to your fingers, your arms have many moving parts: joints, bones, muscles, nerves, tendons and ligaments. Mysterious arm pain that seemingly comes out of nowhere can arise if ...