* Standing tall with a weight in one hand, lift one leg up as far as is comfortable. For sprinting sport athletes, try positioning this leg in the "A March" position - thigh parallel to ground, ankle flexed with toe under knee * Take a few deep belly breaths, supporting your legs with your core * Slowly transfer the weight to the other side, holding your leg up * Take a few deep breaths on with the weight on the other side, repeat.