Lower back pressure, can't bend backwards
Well, without a detailed clinical evaluation it would be difficult to determine the cause of your symptoms. Possibilities that may need to be considered include postural issues, neuro-muscular causes such as muscle sprain, nerve impingement, injuries to muscles/ ligaments, inflammations, spinal causes such as degeneration, micronutrient deficiencies, referred pain from other regions etc. I would suggest getting this evaluated by a primary care physician initially and depending on the cause diagnosed/ suspected, it can be managed accordingly or specialist care may be sought. Meanwhile you could try using some warm compresses or taking some tylenol/ OTC NSAIDS and see of these seem to help.
Hope this is helpful.
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