About semimembranosus muscle injury:
1.Grade 1 (mild strain) – small microscopic tears, mild pain, tightness, little swelling.
2.Grade 2 (moderate strain) – partial tear, more pain, bruising, difficulty walking or bending the knee.
3.Grade 3 (severe tear) – complete rupture, sharp pain, swelling, sometimes a visible gap in the muscle.
⏱ Recovery Time
•Mild: 1–3 weeks
•Moderate: 4–8 weeks
•Severe: several months, possibly surgical recovery.
It must be severe !