A lumbar muscle spasm happens when muscles in your lower back suddenly tighten and contract without control. This can cause sharp pain and make it hard to move.
Lower back pain
Muscle tightness
Stiffness
Sudden pain
Limited movement
Sudden tight or cramping pain in the lower back
A feeling that your back is locked or stuck
Pain when trying to move
Stiffness that makes it hard to bend
Lifting or sudden movement
Overuse during training
Muscle fatigue
Poor posture during activity
Did the pain start suddenly in your lower back?
Does your back feel tight or locked?
Does it hurt when you try to move?
Does the pain stay in your lower back?
Did it happen after movement or lifting?
Educational only — not a medical diagnosis.
1Rest from activity
2Use ice or heat 10–15 minutes
3Avoid sudden movements
4Stay lightly active as tolerated
5Avoid bending or twisting
Severe or worsening pain
Pain spreading down the leg
Numbness or tingling
Significant weakness
Difficulty walking
Gradually return to activity
Do light stretching as pain improves
Strengthen core and back muscles
Maintain good posture
Avoid overuse
For educational purposes only. Not a substitute for medical advice.