The leg press can be done in a number of different ways; however, they're all fairly similar and work the same muscles.

The average weight a person can press on the leg press depends on gender, size and training. Only test your limits in the presence of a spotter.

If your legs weaken to the point that you have trouble standing or walking, consult your health care professional for a personalized leg-strengthening program.

If you don't have access to a leg extension machine, replicate the exercise at home with dumbbells.

Determine how strong your legs currently are to know how much work you have to do to improve muscular endurance in your lower body.

Leg aches after a workout are probably the result of delayed onset muscle soreness, though other causes should be considered.

If your doctor gives you the go-ahead, you can do strengthening and stretching exercises at home to rehabilitate a hyperextended knee.

Lower-body stamina is a key skill needed for a variety of different sports. Luckily, you can easily build endurance through both cardio and strength training.

Leg presses and squats both work the legs, but they have their differences. Both should be incorporated into a workout.

The leg extension is a popular way to train the quadriceps at the front of your knee. But heavy weights and improper form increases your risk of knee injury.

A weighted reverse leg curl strengthens your hamstrings. This hones balance in your lower body for better function.

If injury or other mobility problems prohibit you from exercising while standing, there are plenty of seated leg exercises you can do.