INDIA, May 30 -- That's the thing about hitting the gym: You get access to some amazing weight-lifting exercises that make for excellent resistance-training workouts and help you build muscle.

The result? Well, with healthier muscle mass comes a toned body and a faster metabolism that helps you burn fat easily and quickly. "Research suggests that loss of muscle mass occurs between two and three weeks after inactivity begins. Of course, the loss of muscle mass might be different for everyone," points out Dr Kruti Khemani, physiotherapist and founder, Continuum Sports Physiotherapy and Rehab Centre, Mumbai.

She adds that anxiety, overeating, and lethargy further contribute to the problem and suggests the following exercises that can be done...