Reverse plank - Fit People

Forearm plank - Fit People

Bent-knee plank - Fit People

Side plank with legs stretched out - Fit People

Lateral plank resting on forearms - Fit People

Balance plank - Fit People

Push-up plank - Fit People

Push-up plank - Fit People

Forward to reverse lunge - Fit People

Reverse weighted lunges - Fit People

Prisoner reverse lunge - Fit People

Vertical jump - Fit People

Exercise step - Fit People

Crunches - Fit People

3-point lunge - Fit People

Lunges, arms up - Fit People

Single-leg deadlift - Fit People

Walking lunges with weights - Fit People

Hip raises on forearms - Fit People

Diamond push-ups, hands at knee height - Fit People

Slow skater - Fit People

Fast swimmers - Fit People

Slow swimmers - Fit People

Overhead lunges - Fit People

Pointer, knees on floor - Fit People

Leg kicks, hands under glutes - Fit People

Reverse plank - Step to Health