4. It hurts when you straighten your arm only. And when at rest. But NOT when you do a bicep curl or other actions?That's kind of weird. (meaning, not common.)At this point, I'm going with that some part of your muscle(s) is stuck in spasm. As in, you have a killer ...
short-lived but exaggerated initial sarcoplasmic hypertrophy is masking those gains, and so the individual tends to instinctively draw a positive association only between muscle soreness and muscle size. Neural drive and strength development are tossed out the window. ...