Prisoner lunges - Fit People

Reverse weighted lunges - Fit People

Forward to reverse lunge - Fit People

Walking lunges - Fit People

3-point lunge - Fit People

Lunges, arms up - Fit People

Walking lunges with weights - Fit People

Forward lunges - Fit People

Backward lunges, arms over head - Fit People

Overhead lunges - Fit People

Reverse plank - Fit People

Vertical jump - Fit People

Exercise step - Fit People

Crunches - Fit People

Single-leg deadlift - Fit People

Hip raises on forearms - Fit People

Side plank with legs stretched out - Fit People

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

Bear crawl - Fit People

Count to 4 - Fit People