India, Feb. 17 -- Think you need hours at the gym to gain muscle? Think again. Even with a packed schedule, building strength and staying toned doesn't have to mean spending endless time lifting weights. With the right exercises, smart programming and consistency, even short workouts can deliver visible results. Fitness trainer Britany Williams shares in her February 17 Instagram post how you can maximise your routine and see progress in under 30 minutes a day. (Also read: Jaipur, Kolkata doctors explain why controlling sugar alone isn't enough to protect against diabetes complications )

"Yes, it is possible to gain muscle and only do four exercises per workout, and frankly, you can get it done in under 30 minutes," says Britany, who bel...