Athlete strengthens lower body muscles with box jumps. Slow motion.
A middle-aged woman does sit-ups with a simulator in her hands. The athlete strengthens muscle mass, strengthens the muscles of the buttocks and triceps in the gym.
A middle-aged woman does sit-ups with a simulator in her hands. The athlete strengthens muscle mass, strengthens the muscles of the buttocks and triceps in the gym.
Athletic man and woman lunging forward on two leg to strengthen muscles of the thighs and buttocks
Athletic woman performing single-leg lunges to strengthen thigh and glute muscles.
Athletic woman performing single-leg lunges to strengthen thigh and glute muscles.
Graceful athlete performing single-leg lunges to tone thigh and glute muscles
Athletic woman performing single-leg lunges to strengthen thigh and glute muscles.
Athletic woman performing single-leg lunges to tone thigh and glute muscles
Athletic woman performing single-leg lunges to tone thigh and glute muscles
Athletic woman performing single-leg lunges to strengthen thigh and glute muscles.
Athletic woman performing single-leg lunges to strengthen thigh and glute muscles.