For the sake of argument, let's say you're building a 700-hp street car. What would the perfect fuel system be if you could have anything you wanted? At the top of our wish list would be easy to ...

Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

Still dealing with a tight hip or weak glute—despite all the foam rolling, stretching, and strengthening? Or, maybe you’ve had an injury that keeps flaring up, even though you thought it was finally ...

On Wednesday, Clone Robotics released video footage of its Protoclone humanoid robot, a full-body machine that uses synthetic muscles to create unsettlingly human-like movements. In the video, the ...

Rachel Tavel is a doctor of physical therapy, certified strength and conditioning specialist and writer. She works as a physical therapist in an outpatient orthopedic physical therapy setting and as a ...