10. Sitting shoulder height

10. Sitting shoulder height

　

　

Definition:

Vertical distance from the seat surface to the acromion (i.e. the bony point of the shoulder).
　

Applications:

Approximate center of rotation of the upper limb.

　

Corrections:

10mm for heavy outdoor clothing; up to 40mm reduction for ‘sitting slump’; seat compression.

　

Sitting shoulder height (mm)		Men				Women
Sitting shoulder height (mm)		5th %ile	50th %ile	95th %ile	SD	5th %ile	50th %ile	95th %ile	SD
	Hong Kong	555	605	655	31	510	560	610	29
	British, Aged19-65 years	540	595	645	32	505	550	610	31
	US, Aged19-65 years	545	600	655	32	510	565	620	32
	Japanese adults	545	590	635	28	510	555	600	26

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