North Coast Miller
Level 9 Valued Member
A bag of tube sand or play sand right off the shelf would be a better choice.
I like suspension training (TRX) as an active way to heal weary shoulders/rotator cuffs. Push-ups with reduced stability provides some of the same benefits as the TGU, at least.
Definitely go see a doctor/physio first.
I’ve had a shoulder impingement that has greatly improved with regular hanging off a pull-up bar and band pull aparts, I do them on a daily basis and always in my warm up before I press/tgu. I spoke to the physio before I started this and got cleared to do it.