Sprain in the lower back: what to know

Ligaments connect bones and help steady the joints between the spine and pelvis. A sudden twist, lift, fall, or repeated strain may irritate these tissues. Pain can feel worse when bending, turning, standing up, or remaining in one position. Muscle tightness may develop around the area, making movement feel restricted. A sprain can resemble a muscle strain, disc problem, or other cause of back pain, so symptoms alone cannot confirm the diagnosis.

For the first phase, reduce activities that sharply increase pain while continuing gentle movement such as short walks. Avoid prolonged bed rest and heavy lifting. A wrapped cold pack may help after a recent injury; warmth can feel more comfortable later if stiffness is the main issue. Use medicines only as directed by a clinician or pharmacist, especially if you have stomach, kidney, pregnancy, or blood-thinning concerns. Physiotherapy can guide gradual mobility and trunk strengthening; [Physiotherapy](/treatments/physiotherapy-and-rehabilitation/physiotherapy/) or [Kinesiology Taping](/treatments/physiotherapy-and-rehabilitation/kinesiology-taping/) may be discussed as supportive options.

Seek urgent medical help for new loss of bladder or bowel control, numbness around the groin, marked weakness in a leg, or severe pain after major trauma. Arrange assessment for fever, unexplained weight change, pain that is constant at rest, or symptoms travelling down a leg with weakness. A clinician can decide whether examination, imaging, or a tailored rehabilitation plan is needed.

Could this be a ligament sprain, muscle strain, or another source of back pain? Which movements should I limit, and which are safe? When should I begin strengthening or physiotherapy?