BOSTON - Researchers have found that there are certain exercises people with knee arthritis can do to reduce their need for joint replacement. Experts said to focus on the quadriceps muscles, the ...

Celebrity chef and noted dessert detractor Guy Fieri says he’s “trying to take it easy” after tearing his quad muscle during ...

When you think about the muscles you work most on a run, the quads probably come to mind first. Not only do these muscles extend the knee for a strong push-off and flex the hip for a powerful forward ...

Leg extensions are one of the most effective exercises for isolating the quadriceps. Unlike compound movements like squats or lunges, the leg extension machine specifically targets the knee joint, ...

Rowing machine muscles worked include the quads, glutes, triceps, and more, making it a great whole-body workout. This heart-pumping, high-intensity exercise activates many of the muscles that are ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Ready for leg day?

Stronger quadriceps muscles, relative to the hamstrings, may lower the risk of total knee replacement, according to research being presented today at the annual meeting of the Radiological Society of ...

Background Quadriceps maximal voluntary contraction (QMVC) reliably measures quadriceps muscle force and predicts mortality in chronic obstructive pulmonary disease (COPD). However, the minimal ...