Is it healthy or is it damaging to exercise a muscle while it's still sore from a previous workout?
When I lift weights, I lift heavy. I expect to be sore afterwards because I know I've pushed myself hard. Unfortunately, sometimes I push myself too far and get very bad delayed onset muscle soreness ...
My obliques are sore, I think from PR deadlifts that I did yesterday, because all I did other than that was squats (not PR... rebuilding from a deload), and bench press. I've felt this before, too. ...