Weighted vest step up (Adaptive unilateral upper limb amputee)

Stand on a flat surface behind a sturdy stable step while wearing a weight vest.
When ready, step up, making sure your foot is firmly planted on the step.
Find your balance again and then step back down with your trailing leg.
During the exercise, make sure your knee travels directly in line with your toes.
Keep your body upright and gaze directly ahead.