The symptoms may be due to an acute lower-back muscle strain. An X-ray mainly shows bones and cannot detect a slipped disc or nerve compression. From this photographed X-ray, no obvious major fracture is visible, it shows straightening of spine meaning muscle contraction
Since it is only the third day and there is some improvement, continue the prescribed medicines and heating pad as advised. Avoid heavy lifting, forward bending, twisting and prolonged bed rest; gentle walking within pain limits is preferable.
Next Steps
If severe leg pain persists after completing the medicines, or if there is numbness, tingling or weakness, he should be re-examined by an orthopaedic specialist. An MRI may be required if symptoms persist or neurological signs are present because MRI, not X-ray, evaluates the discs and nerves
Health Tips
Seek urgent medical attention for difficulty controlling urine or stools, numbness around the private area, progressive leg weakness/foot drop, fever, or rapidly worsening pain.