GET 15% OFF YOUR FIRST YEAR!
Limited time - use promo code: STRONG15 at checkout
Watch this video and more on Mark Lauren On Demand
Already subscribed? Sign in
Apple TV Fire TV XBox One Roku ® Samsung Smart TV
Mountain Climber (around): abs, serratus, obliques, shoulders, triceps, forearms, lats, quads, shin muscles
Side V-ups: abs, obliques, serratus, hip flexors, shin muscles, neck, rear delts, triceps, forearms
4 Comments