For a beginner — especially one starting yoga specifically for back pain — a short session done consistently beats a long session done occasionally, both for building the habit and for how the body responds.
5-12 minutes is a genuinely useful range
Sessions in the 5-12 minute range are long enough to move through a meaningful sequence of poses while staying short enough to fit into a coffee break or realistically happen daily.
Why consistency beats duration
The research behind yoga's back pain benefits generally reflects consistent practice over weeks, not the length of any single session — a daily 7-minute practice likely delivers more cumulative benefit than one 45-minute session per week.
When to extend session length
Once a short daily practice feels genuinely easy and sustainable, gradually extending duration is a natural next step — but there's no need to rush toward longer sessions before the habit itself is solid.
Is a 5-minute session actually enough to help?
Yes, for consistency-driven goals like habit-building and gentle daily mobility — the studies behind yoga's back pain benefits generally used classes of moderate length done regularly, not extremely brief sessions, but a 5-minute daily practice is a reasonable, sustainable entry point that beats no practice at all.