Disc bulge
A disc bulge occurs when the disc loses its original shape and comes out of alignment, sometimes pressing on a nerve - causing pain, stiffness, and reduced mobility if left untreated.
cause of back pain

Symptoms
Disc bulge is among the most common spinal conditions worldwide — affecting nearly 30% of young adults and up to 70% of older adults. It can occur anywhere along the spine but is most common in the lower back and neck.
Depending on type, cause & location, you may experience:
Pain while lifting or bending, which worsens with activity
Pain radiating from the buttocks or legs (one or both sides)
Morning stiffness that eases with movement throughout the day
Pain travelling from neck or upper back into hands or fingers
Tingling, numbness, burning, or weakness in legs, feet or hands
Back pain that comes and goes with rest, sitting, or standing
Back pain that comes and goes with rest, sitting, or standing
Dizziness or headaches that worsen with position change