The Chin-Up Hypertrophy Guide – Outlift

Hands on Chin Body Language (Understand Now)

People who do chin-ups raise their chin just over a bar (the chinning bar), supporting themselves only by their arms. Typically, the body below the arms is raised by about 30  cm in a time of 1.0  s, starting from rest. Assume that the entire body of a 680  N person who is chinning is raised this distance and that half the 1.0  s is spent accelerating upward and the other half accelerating downward, uniformly in both cases. Make a free-body diagram of the person's body, and then apply it to find