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What do systematic reviews say?

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Evidence found and GRADE certainty

3 questions · 3 findings · 2 reviews · Back and Neck · Headline outcomes only

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No studies found 0 · 0%GRADE not reported 0 · 0%Very low 2 · 66.7%Low 1 · 33.3%Moderate 0 · 0%High 0 · 0%

Yoga vs no exercise

Adverse events (1 participant withdrew due to increased back pain) · patients with non‐specific chronic low back pain

Yoga may leads to higher adverse events (1 participant withdrew due to increased back pain) compared with non‐exercise (low certainty).

1 finding from 1 review

Therapeutic ultrasound vs placebo

Pain intensity VAS (0 to 100; 0 = no pain, 100 = worst pain) · adults with chronic low‐back pain

It is very uncertain whether therapeutic ultrasound changes pain intensity Scale: VAS (100‐point scale; higher scores mean… compared with placebo (very low certainty).

1 finding from 1 review

Therapeutic ultrasound plus exercise vs exercise

Pain intensity VAS (0 to 100; 0 = no pain, 100 = worst pain) · adults with chronic low‐back pain

It is very uncertain whether therapeutic ultrasound plus exercise changes pain intensity Scale: VAS (100‐point scale; higher scores mean… compared with exercise alone (very low certainty).

1 finding from 1 review