Thanks for your question on HCM.
In my opinion you are having
musculoskeletal pain mostly. The reasons for this are
1. Pain on pressing (tenderness) is seen characteristically in muscle pull and
injury.
2. Your pain is developed after heavy exercise.
So both of these factors are point towards musculoskeletal pain in your case.
Try to follow these steps for better symptomatic relief in musculoskeletal pain.
1. Avoid heavyweight lifting.
2. Avoid strenuous exercise.
3. Avoid bad posture in sleep.
4. Avoid movements causing pain.
5. Start painkiller and
muscle relaxant.
6. Apply warm water pad on affected site.
Don't worry, you will be alright.