![Isométrico cuadriceps sentado](https://www.workoutsprograms.com/media/cache/exercise_375/uploads/exercise/isometrico-cuadriceps-sentado-init-pos-8344.png)
STARTING POSITION:
Sit on a chair with your feet at shoulder width apart.
MOVEMENT:
Push the floor mainly with your heels. Maintain the tension during the required time. Relax the muscles and repeat the exercise.
TIPS: Make sure your knees are always pointing towards the toes. Your head and chest should always look forward.