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  14. Buttock-popliteal length

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Horizontal distance from the back of the uncompressed buttocks to the popliteal angle, at the back of the knee, where the back of the lower legs meet the underside of the thigh.

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Applications:

Reach dimension, defines maximum acceptable seat depth.

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Buttock-popliteal length (mm)

Men

Women

5th %ile

50th %ile

95th %ile

SD

5th %ile

50th %ile

95th %ile

SD

Hong Kong

405

450

495

26

385

435

485

29

British, Aged19-65 years

440

495

550

32

435

480

530

30

US, Aged19-65 years

445

500

555

33

440

490

540

31

Japanese adults

410

470

510

31

405

450

495

26

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14/35

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