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. For strong, powerful ...

The longest bones in your body are your femurs, which are located within your upper legs. Connected to your femurs are your quadriceps, which are behind practically every movement that you do. This is ...

Ah, hamstrings: the middle child of muscle groups. While they might not be the sexiest parts of our bodies, strong hamstrings play a vital role in our overall strength and stability. To learn more ...

Exercising your hamstrings is important for mobility (movement), athletic performance, and reducing injury risk. A glute bridge improves hip stability and alignment (proper position of the hips). This ...

Small changes can lead to big fitness gains. If you have been performing lower-body exercises with two feet on the floor, side by side, try mixing up your stance, says Mark Murphy. He is the lead ...

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 ...

A CSCS trainer shares 5 chair exercises that rebuild quad, glute, and hip strength for steadier daily movement after 60.

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