Effects of a Protocol of Hip Flexor Stretching on Chronic Mechanical, Non-specific LBP.

"Hip flexors stretching (Adaptation from Evjenth and Hamberg)~Strengthening Exercise~* Deep squats~* Flexo-extension of the ankle on a step over the head of metatarsal bones~* Plank~* Strengthening knee flexors and hip extensors~* Lunges with a stick behind the patient back~Education Pain relieving positions identified will be taught to the patient to use when they feel their pain.~Identifying and learning to avoid pain positions or activities that increase pain.~When the pain occur self stretching of hip flexors on the couch or the chair must be done"

A medical doctor will prescribe the treatment following the standard of care in Polish public health services. Treatment will consist of medication and counseling.