Which balance-power exercise that involves lifting one leg directly beside balance leg; hopping off the box and landing on ground on one leg, keeping toes pointing straight ahead and knee directly over the toes, and holding this position for 3 to 5 seconds.

a. Multiplanar step-up to balance
b. Multiplanar lunge to balance
c. Multiplanar single-leg box hop-down with stabilization

Well if you pick a machine to work on and that's gonna be your exercise if you don't stick to that machine your muscle strength your muscle mass rather will change because you haven't been doing it you change something in your exercise routine which changes your body's form of dealing with things for example you might become weaker or stronger depending on what kind of exercises you do in whether or not the machine you picked actually your muscles grow.

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