This page is for general education and is not medical advice, diagnosis, or a treatment plan. Some symptoms need a doctor first, including loss of bladder or bowel control, numbness in the saddle or groin area, significant or worsening leg weakness, fever with back pain, unexplained weight loss, or pain after a serious fall. Customer reviews reflect individual experiences and are not a guarantee of results. The NordBench Pro is a fitness product and is not intended to diagnose, treat, cure, or prevent any disease. Consult a qualified healthcare professional before beginning any exercise program, especially with an existing injury. Research referenced: WHO (2023); NICE NG59; ACP (Ann Intern Med, 2017); Hagen (Cochrane); Hides (Spine, 1994), Fortin & Macedo (2013), Goubert (2016), Ranger (2017); Biering-Sorensen (Spine, 1984); Brox (2003), Fairbank (2005), Mannion (2013); Brinjikji (AJNR, 2015); Mjolsnes (2004); van der Horst (2015).