This chest workout consists of only one exercise—the pushup—but it’s hard as hell. That’s because it uses varying tempos to cumulatively challenge the same muscle groups, says Men’s Health Fitness Director BJ Gaddour. First, you’ll go as fast as possible,

This chest workout consists of only one exercise—the pushup—but it’s hard as hell. That’s because it uses varying tempos to cumulatively challenge the same muscle groups, says Men’s Health Fitness Director BJ Gaddour. First, you’ll go as fast as possible,

Original article and pictures take https://menshealth.com site