The Effect of Arm Swing on Ground Reaction Forces in Human Walking (CROSBI ID 739372)
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Podaci o odgovornosti
Jurčević-Lulić, Tanja ; Muftić, Osman ; Sušić, Aleksandar
engleski
The Effect of Arm Swing on Ground Reaction Forces in Human Walking
Many studies have been published about human walking and a lot of mathematical models of movement of lower limbs have been developed. Despite the large volume of research on biomechanics of human walking, the upper limbs have been virtually ignored by researchers. The reciprocal swinging of the arms in walking plays an important role and the aim of this study was to investigate the effect of the upper limbs swing on the ground reaction forces during walking. The gait analysis has been performed on 52 subjects with no apparent abnormalities of the locomotion system, using the Elite system and Kistler force platform. Subjects were walking barefoot at normal speed (0.95 m/s &#8804 ; ; v &#8804 ; ; 1.7 m/s). In a set of experiments on each subject, the subject was instructed to walk 20 times: ten were natural walking and ten were walking with emphasised rhythmic upper limbs swing (full reciprocal excursion of both arms). In order to be able to compare characteristics of walking, the ground reaction forces have been normalised with the body weight. The normalised ground reaction forces have been shown as a function of contact duration between foot and force platform. "Typical patterns" of three components (vertical, fore-aft, mediolateral) of ground reaction forces have been established for every subject. "General patterns" and variation bandwidth of one standard deviation for a particular walking manner have been determined from "typical patterns" of all subjects for the same manner of walking. A "general pattern" represented the mean curve of the entire group of subject studied. The determined "general patterns" of three components of ground reaction forces have been compared and differences between gait with natural and emphasised upper limbs swing have been described.
human walking; arm swing; ground reaction force
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Podaci o prilogu
99-99-x.
2002.
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objavljeno
Podaci o matičnoj publikaciji
Collegium antropologicum
0350-6134
Podaci o skupu
Nepoznat skup
ostalo
29.02.1904-29.02.2096