Effect of handle height on lower-back loading in cart pushing and pulling

by: KS Lee, DB Chaffin, GD Herrin, AM Waikar

Applied Ergonomics, Vol. 22, No. 2. (April 1991), pp. 117-123.

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Abstract

This paper presents results of a study conducted to estimate lower back loadings in cart pushing and pulling. Experiments were conducted in the laboratory using a cart. Six subjects with different weights (ranging from 50 to 80 kg) were tested for three different pushing and pulling forces (98, 196 and 294 newtons), three different heights of exertion (660, 1090 and 1520 mm high) and two different moving speeds (1[middle dot]8 and 3[middle dot]6 km/h). It was found that, in general, pushing a cart results in lesser lower-back loading than pulling. Subject body weight affected the lower-back loadings more significantly in pulling (50% increase as body weight increased from 50 kg to 80 kg) than in pushing (25% increase). Handle height of 1090 mm was found to be better than other handle heights in pushing while 1520 mm handle height was better for pulling in reducing lower-back loadings.

@article{citeulike:1485224, abstract = {This paper presents results of a study conducted to estimate lower back loadings in cart pushing and pulling. Experiments were conducted in the laboratory using a cart. Six subjects with different weights (ranging from 50 to 80 kg) were tested for three different pushing and pulling forces (98, 196 and 294 newtons), three different heights of exertion (660, 1090 and 1520 mm high) and two different moving speeds (1[middle dot]8 and 3[middle dot]6 km/h). It was found that, in general, pushing a cart results in lesser lower-back loading than pulling. Subject body weight affected the lower-back loadings more significantly in pulling (50\% increase as body weight increased from 50 kg to 80 kg) than in pushing (25\% increase). Handle height of 1090 mm was found to be better than other handle heights in pushing while 1520 mm handle height was better for pulling in reducing lower-back loadings.}, author = {Lee, K. S. and Chaffin, D. B. and Herrin, G. D. and Waikar, A. M. }, citeulike-article-id = {1485224}, doi = {10.1016/0003-6870(91)90310-E}, journal = {Applied Ergonomics}, keywords = {ergonomics, push}, month = {April}, number = {2}, pages = {117--123}, posted-at = {2007-07-25 08:30:29}, priority = {2}, title = {Effect of handle height on lower-back loading in cart pushing and pulling}, url = {http://dx.doi.org/10.1016/0003-6870(91)90310-E}, volume = {22}, year = {1991} }

RIS record

TY - JOUR ID - citeulike:1485224 L3 - citeulike-article-id:1485224 TI - Effect of handle height on lower-back loading in cart pushing and pulling JF - Applied Ergonomics VL - 22 IS - 2 SP - 117 EP - 123 N2 - This paper presents results of a study conducted to estimate lower back loadings in cart pushing and pulling. Experiments were conducted in the laboratory using a cart. Six subjects with different weights (ranging from 50 to 80 kg) were tested for three different pushing and pulling forces (98, 196 and 294 newtons), three different heights of exertion (660, 1090 and 1520 mm high) and two different moving speeds (1[middle dot]8 and 3[middle dot]6 km/h). It was found that, in general, pushing a cart results in lesser lower-back loading than pulling. Subject body weight affected the lower-back loadings more significantly in pulling (50% increase as body weight increased from 50 kg to 80 kg) than in pushing (25% increase). Handle height of 1090 mm was found to be better than other handle heights in pushing while 1520 mm handle height was better for pulling in reducing lower-back loadings. KW - ergonomics KW - push AU - Lee, KS AU - Chaffin, DB AU - Herrin, GD AU - Waikar, AM PY - 1991/04// UR - http://dx.doi.org/10.1016/0003-6870(91)90310-E ER -

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