The only sit-up progression useful for special operations and BUDs prep 
ฝัง
- เผยแพร่เมื่อ 25 เม.ย. 2024
- Doing regular sit-ups incorrectly will guarantee two things.
They will make you a slower runner and give you chronic back pain.
This is the only progression I would ever recommend for special forces selection prep or BUDs. 
#situps #BUDs #military #pst #Navyseal #navy #specialforces