<blockquote class="wp-embedded-content" data-secret="Fc4e9WnsBI"><a href="https://ericcressey.com/strength-and-conditioning-textbook-synergists-and-antagonists">What the Strength and Conditioning Textbook Never Taught You: Synergists and Antagonists</a></blockquote><iframe class="wp-embedded-content" sandbox="allow-scripts" security="restricted" style="position: absolute; clip: rect(1px, 1px, 1px, 1px);" src="https://ericcressey.com/strength-and-conditioning-textbook-synergists-and-antagonists/embed#?secret=Fc4e9WnsBI" data-secret="Fc4e9WnsBI" width="600" height="338" title="&#8220;What the Strength and Conditioning Textbook Never Taught You: Synergists and Antagonists&#8221; &#8212; Eric Cressey | High Performance Training, Personal Training" frameborder="0" marginwidth="0" marginheight="0" scrolling="no"></iframe>