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Strengthen Your Legs and Thighs With a Stationary Cycle For Exercise A stationary bike is an exercise that is low-impact that targets a range of muscles. Using a higher resistance level can also help strengthen your thighs and legs. Try a program that incorporates standing and sitting cycling with modest rest intervals. As you become more comfortable with your workout, increase the intervals by one minute. Strength Training The main muscle groups that are worked during cycling stationary include y