As part of a comprehensive fitness routine, strength training is important to keep that balance with cardio. It isn’t one over the other – in my experience, they are both necessary. There is something powerful about lifting and moving your body in ways you never thought possible. That extra testosterone boosts confidence, both in and outside the gym. What’s the skinny? The strength training apps are centered around training programs and splits, which mean dividing a workout by day according to certain body part groupings, like chest/triceps and back/biceps A few have guided personal trainer demonstrations and workouts. Which one…