Cooling-Down Is Key
Cooling-down is key to a complete interval training session. Warming up maximizes performance during a workout, but the cool-down period eases your heartbeat and body temperature back to their normal settings. If you were to stop working out too fast, you could feel sick or even faint. Instead, walking for about five minutes to slow your heartbeat will help you gradually feel like your pre-workout self. It's also a good idea to stretch during a cool-down. This can also help reduce lactic acid buildup in your muscles, which would otherwise contribute to muscle pain and cramps.