This 30-minute vinyasa flow yoga class is all about building strength and flexibility through the side body. With a creative sequence of lateral stretches, core activations, and balancing ...

You'll do that when you do the lateral lunge (or side lunge). And if that move feels too basic, you can always step things up to a lateral lunge level-up from Men's Health fitness director ...

The side or lateral lunge strengthens the quadriceps, hamstrings, glutes, adductors and core to help you ward off injuries. nortonrsx/iStockphoto/Getty Images. Side-lunge modifications ...

The side or lateral lunge strengthens the quadriceps, hamstrings, glutes, adductors and core to help you ward off injuries. nortonrsx/iStockphoto/Getty Images. Side-lunge modifications ...