Hollow Back Position (HBP) — The Calisthenics School
Nick Ebner on Twitter: "This is the Planche Lean from the #GymnasticsBodies Foundation series, which eventually leads to the Straddle Planc… https://t.co/Pk2bLmcsuK" / Twitter
Straddle Planche exercises | Step by Step Tutorial | Calisthenics Family