Extreme trauma is not good long time on your breast tissue or implants. As long as you are not being physically harmed with bruising and bleeding, your breasts and your implants should be OK. If you wind up bruised and beaten, you need a new partner.
Breast implants are strong to compression.But extreme pressures or certain maneuvers could cause a tear or injury to your bodies tissue or capsule around the implant. Bleeding or fluid can occur and need treatment.Best to follow your gut feeling.