Get buff legs while sitting in your seat with these exercises.

Sit up straight with your feet flat on the floor. Keeping knees bent, raise one leg a few inches. Rotate your ankle around five times, lower your leg, and switch to the other leg. Repeat five times with each leg. Then, keeping your knees bent, raise one leg, pulling your knee up to your chest. Lower your leg and repeat on the other side. Go back and forth between legs 10 times.