Exercise Vigorously for 4 Seconds. Repeat. Your Muscles May Thank You.

AAM 22:06 Gretchen Reynolds, NYT > Top Stories

NYT > Top Stories Gretchen ReynoldsHigh-intensity interval training has surprising benefits for fitness and physical power, but don’t stay seated the rest of the day. August 12, 2021 at 11:23PM https://ift.tt/3xDPXVg