Poor posture, such as dropping the chest and head while sitting, can cause exercise-induced pain.

“this guy was all balled up like this and he said ah he says whenever I do exercise I'm just exhausted said oh yeah and uh I I I said uh would you move away from your your desk a little bit and would you ask someone to come in and hold your cell phone up so I can see all of you and there he was and I said all right would you now sit at your stool your chair sit upright for me do you have pain he goes no I said good drop your chest down and SLO and lower your head you pain this yeah I do think I just proved to him what uh what caused”