How to fix a lower back spasm

A spasm is an involuntary tightening of muscles around the lower spine. It may follow lifting, an awkward twist, prolonged sitting, or a sudden increase in activity. The pain can feel gripping, and the back may seem difficult to straighten. A spasm is a symptom rather than a diagnosis; it can occur with muscle strain, non-specific low back pain, or irritation near the small spinal joints. Read more about [Back Muscle Spasm](/symptoms/back-muscle-spasm/) and [Muscle Strain](/conditions/muscle-strain/).

Keep changing position and take short, easy walks if you can do so safely. Avoid bed rest for long periods, heavy lifting, forceful twisting, and stretches that sharply increase pain. A wrapped heat pack may relax tight muscles; protect your skin and use it for a comfortable interval. When the spasm eases, build back with gentle trunk and hip exercises. A physiotherapist can check movement, strength, and lifting habits, then tailor a plan. Hands-on options such as [Myofascial Release](/treatments/manual-and-manipulative-therapy/myofascial-release/) or [Dry Needling](/treatments/physiotherapy-and-rehabilitation/dry-needling/) may be considered after an assessment.

Arrange prompt medical assessment after significant trauma, or when pain is severe, worsening, or stopping you from walking. Seek urgent help for new loss of bladder or bowel control, numbness around the groin, or marked weakness in a leg. Fever, unexplained weight loss, or pain that repeatedly wakes you also deserves medical review. Leg pain with tingling can occur with a disc problem, so mention its pattern to a clinician; [Herniated Disc](/conditions/herniated-disc/) is one possible condition to discuss.

Ask: What may have triggered this spasm? Which movements should I pause, and which should I keep? Do my symptoms suggest a joint, muscle, or nerve problem? When should I begin strengthening, and would an examination or physiotherapy assessment help?