External oblique muscle getting hard.

Unfortunately after hitting my hard penis on hard side pillow few time on  3rd April . I don't understand what happened that time. I have some pain in lower abdomen. That time few I operating my laptop lying right side in bed.  After  30 days on may 12 pain goes back . Now I feel tightness whole abdomen muscle and backside and stretch in spinal cord. Actually after 70 days I understand what happened. After hitting penis my Aponeurosis of External oblique muscle upper layer some tissue tear After that I operating laptop pressing that side of my body because I didn't realize this after my external oblique muscle lower few portion of muscle get hardened .i think it formed scar tissue that is not soft like left side.so , my muscle tissue get hardened so it pulling backside muscle also. So my pain now go up to spinal cord. And total abdomen and backside muscle get tighten and paining  all the day and  .so, tell me how I do soften hard scar tissue muscle.it almost 5 months. Need free advice