The quadriceps are four muscles located in the anterior part, or front, of your thigh. This muscle group acts to extend the leg or strengthen the knee. Running and biking, as well as daily activities, can result in tight quadricep muscles.
Tight quadriceps are a common finding with knee, back, and hip pain. Stretching out the quads is a must do after hiking, cycling, running, stair-stepping, or any other activity that gives your thighs a workout.
Here are some quick quad stretches you can to stay loose and avoid injury