20-minute upper body workout to build strength and muscle using only dumbbells. Perfect for a quick at home session.📱 Download the OSX App: https://joinosx.com/🤝 Apply for 1:1 coaching with me: https://joinosx.com/coaching▸ Upper Body Workout (Chest, Shoulders, Arms, Back) ▸ Time: 20 Min + Warm Up & Cool Down▸ Intervals: 40s on/ 20s Rest▸ Dumbbells (I was using 2x5kg) IG: https://www.instagram.com/olisjostrom/
