Physical therapists are doctorate level trained health care providers who are experts in exercise, function movement, and performance. In practice, physical therapists use a three main muscle ...

Muscle contraction is the tightening, shortening, or lengthening of muscles when you do some activity. It can happen when you hold or pick up something, or when you stretch or exercise with weights.

Isometric exercises are exercises that involve the contraction of muscles without any movement in the surrounding joints. Most muscle strengthening exercises involve moving the joints, using the ...

Strengthen and tone your thighs with these at home quad workouts and exercises. Quad exercises, when done correctly, are one of the best ways to get the strong, powerful thighs you've always wanted.

If you’ve ever held a plank, paused at the bottom of a squat or pressed your palms together in front of your chest, you’ve done an isometric exercise. Ta-da! These holds might look simple — after all, ...