All runners can benefit from single-leg exercises (also called unilateral exercises) - they are great for highlighting any muscle imbalances and improving your balance and core stability. Why? By ...

In TODAY.com's Expert Tip of the Day, a trainer shares an efficient strength training move for when you're short on time.

The muscles in your lower body play a key role in supporting athleticism and everyday activities, so it’s important to train your legs directly to build strength, stability, and overall function.

Jakob Roze, CSCS, is a health writer and high-end personal trainer. He is the founder and CEO of RozeFit, a high-end concierge personal training practice and online blog. The muscles in your lower ...