Abstract
Two hundred and eight male rugby players from 13 high schools, whose ages ranged from 16 to 19 years, were used to examine the kinetics of Rugby Union scrumming. Force application, by each playing position, was recorded with the use of a force platform in the vertical (Fz), horizontal (Fx) and in the transverse horizontal (Fy) directions. The direction of force application in the vertical (Az) and horizontal (Ay) planes as well as the resultant force application (Fr) were calculated from the three orthogonal force components. The mean angle of force application during scrumming, in the horizontal plane (Ay), was 1.3o directed towards the tight head prop. During the initial shove and sustained scrumming phases, the front rows' direction of force application in the vertical plane (Az) was significantly greater (p .01) was found between the various angles of force application (Az) produced by the second and back row forwards. The various resultant force applications (Fr) produced by the front, second and back row forwards during the initial shove and sustained scrumming phases however proved to be significantly different (p Keywords: Kinetics of rugby union scrumming, Force application, Direction of force application South African Journal for Research in Sport, Physical Education and Recreation Vol.26(2) 2004: 33-50
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