How many times have you seen a friend or family member (or perhaps yourself) bite down with all the initial grit and persistent attitude to make David Goggins take a second look only to watch them fizzle. Maybe you know someone or yourself have gained lots of momentum and kept the ball rolling with the virtuous practices above only to still feel a lack of something?

Get stronger on pull-ups without a pull-up bar + a full upper body workout in about 30 minutes? Give this upper body pulling and shoulder strengthening workout a go if you’re short on time or if you are looking to get stronger in your pull-ups without using a bar. This is also a phenomenal workout even if you are great at pull-ups.