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Yumiko Miki ; Chihiro Kanayama ; Shiro Nakashima ; Masahiro Yamasaki

Japanese Journal of Physical Fitness and Sports Medicine.2012;61(2):177-182. doi:10.7600/jspfsm.61.177

This study aims at identifying how sports activity status, level of residual function, and independence in activities of daily living (ADL) affect the health-related quality of life (HRQOL) of persons with spinal cord injury (PSCI) who regularly participate in sports activities. Eighty-one male PSCI (21 persons with tetraplegia and 60 persons with paraplegia) who regularly participated in sports activities (wheelchair basketball or wheelchair twin basketball) were included in the present study. They were evaluated in terms of their characteristics, sports activity status, independence in ADL (Spinal Cord Independence Measure [SCIM]), and HRQOL (Medical Outcomes Study Short Form-36 [SF-36]). The age was a significant explanatory variable for physical functioning, role physical, and physical component summary (P < 0.05). On the other hand, the level of residual function was a significant explanatory variable for general health, vitality, mental health, and mental component summary (P < 0.05). The physical aspects of HRQOL of PSCI who regularly participate in sports activities were mainly affected by age, whereas the mental aspects were affected by the level of residual function.

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MEASUREMENT METHODS: DETERMINATION OF ERGONOMIC SPORT SURFACES IN TERMS OF SPORTIVE PERFORMANCE

Katkat Dursun

Japanese Journal of Physical Fitness and Sports Medicine.2012;61(2):237-241. doi:10.7600/jspfsm.61.237

The aim of the present study was to examine the effects of different sport surfaces on sportive performance by means of muscle performance. 112 elite athletes, aged between 17 and 26, participated in this study. This study was executed on 8 different sport surfaces: asphalt, synthetic grass, natural grass, tile powder, soil, wooden parquet, full polyurethane and EPDM (Ethylene Propylene Diene Monomer). Leg strength (LS), back strength (BS) and vertical jumping height (VJH) were measured at rest and after a given training protocol on each surface. Asphalt and synthetic grass were the most fatiguing, natural grass, soil and tile powder were moderately fatiguing, parquet and polyurethane were the least fatiguing surfaces. Then the surface compliance was evaluated with a drop test using a medicine ball and it was observed that achived results were consistent with those obtained in LS, BS and VJH tests. According to the test results as the hardness of the surface increased the performance of the athletes was decreased. The results of the present study suggest that it is better to use parquet and polyurethane in construction of indoor sport surfaces.

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