Fig. 1
From: Physical therapy for patients with low back pain in Germany: a survey of current practice
Application frequency of treatment modalities for acute LBP LBP: Low back pain; PENS: Percutaneous electrical nerve stimulation; TENS: Transcutaneous electrical nerve stimulation; “↑↑” = strong recommendation for a treatment; “↑”: recommendation for a treatment; “↔”: open recommendation; “↓”: recommendation against a treatment; “↓↓” = strong recommendation against a treatment; *no recommendation provided by the NVL