If you want size and strength in your lower legs, you need to put in the right type of work. Here's what you need to know.

—The initial signs of Duchenne muscular dystrophy in a 3 or 4-year-old child may be subtle, explains Dr. Alexandra Bonner of the Center for Pediatric Neurosciences at Cleveland Clinic.

Discover the 11 most effective leg exercises for men, scientifically proven to build bigger, stronger legs. Expert ...