Answer:
Option A
Multiplanar step-up to balance
Step-by-step explanation:
Resistance training exercises are the exercises that cause the muscles to contract against an external resistance leading to an increase in strength and endurance. Resistance training increases muscle strength by making your muscles work against a weight or force. Considering the options given, it's only Multiplanar step-up to balance which is an example of a strength level resistance training exercise for legs.