NORWALK - This week's "What's Ailing You" looks at how to diversify a workout to burn calories and tone muscles.

Experts say running should be combined with strength training for the best results.

Fitness Edge personal trainer John Vigilio recommends a move that he says is a great knee stabilizer to help absorb the shock when running.

Studies show building muscle makes the body more efficient at using energy and oxygen.

Experts say squats and using weights to train can also help prevent connective tissue injuries and boost endurance.

News 12 Connecticut wants to know "What's Ailing You." You ask the medical question and we'll work to find you an expert's answer. Send your questions by way of Facebook or Twitter using the hashtag #WhatsAilingYou.