Up to 90 percent of people with chronic asthma experience asthma symptoms during and after exercise. If you have allergic rhinitis (hay fever) or a family history of allergies, you too could be at risk for coughing, wheezing, shortness of breath and chest tightness while you exercise or shortly after you’re done. If you’re in this second group, you may have “exercise-induced asthma,” a term doctors use to describe people who have asthma symptoms only when they exercise.

Chris from Zen To Fitness answers several of his most common reader questions, including how to avoid preventable lower back pain, good sources of carbs, and how to manage consumption of nuts as part of a balanced diet.

Read Bill Ivory Larson's inspirational weight loss story -- how he lost 175 lbs. through healthy eating, exercise, and portion control and without any surgeries or special diets. Bill's six keys to success included drawing strength from telling his friends about his efforts, being forgiving of himself, and taking advantage of the simple incremental exercise opportunities around him.

The lunge is a complex movement, meaning there are many joints involved to complete the task. If we add more joints to a movement by doing it incorrectly, we increase the strain on our structure as we attempt to create force. If our alignment is off or we’re off-balance, we can cause harm to our ligaments, tendons, and joints.