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Furniture Buying Guide

Split-screen ergonomic sofa comparison showing unstable recline posture with forward-head compensation versus balanced lumbar-contact support and neutral spinal alignment
ergonomic sofa design

Sofa Back Angle, Lumbar Support & Recline Geometry

vahap uysal

Most sofas fail your back because the recline angle is wrong, not the cushions. This guide explains the 105°–110° recline range, how lumbar voids form, and how to evaluate spinal support using a 20-minute showroom test.

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Furniture Buying Guide