Recommendations: 2-3 Sets, 8-12 Reps
Get into a squat position, with your feet about shoulder-width apart and flat on the floor. Hold water bottles at your sides with a pronated grip (palms facing backwards). Your triceps should be on your kneecaps. This is the starting position. Curl the right bottle up to your shoulder while rotating your hand into an underhand (palm facing up) grip. Your upper arm should be stationary throughout the entire motion. Exhale during this movement. Slowly lower the bottle to the starting position. Inhale during this movement. Repeat for the required number of repetitions. Curl the left bottle up to your shoulder while rotating your hand into an underhand (palm facing up) grip. Your upper arm should be stationary throughout the entire motion. Exhale during this movement. Slowly lower the bottle to the starting position. Inhale during this movement. Repeat for the required number of repetitions.