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Table 2 Wheelchair seat and backrest configurations used for validation tests

From: Manual wheelchair downhill stability: an analysis of factors affecting tip probability

Configuration type Seat angle Backrest angle
1 16.1° below horizontal −1.0°
2 17.4°
3 34.7°
4 1.3° below horizontal −1.0°
5 14.6°
6 29.0°
7 13.6° above horizontal −1.0°
8 6.1°
9 17.6°
  1. Seat angles ranged from 16.1° below horizontal to 13.6° above horizontal, and back angles ranged from vertical to a recline of 34.7°