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Evaluation of preadolescent athletes’ running performance in a middle distance event

100%

Pilianidis T., Mantzouranis N., Siachos N., Smirniotou A., Zacharogiannis I., Spiros K.

Trends in Sport Sciences

2013

tom 20

nr 1

Introduction. Sport biomechanics focuses on the evaluation of athletes’ running stride characteristics with training shoes and barefoot. Few studies have assessed the running performance of shod and unshod preadolescent athletes, and they have been carried out only in laboratory conditions. Aim of Study: The aim of this study was to evaluate the performance of preadolescent athletes in the 1000 m running event by applying two protocols: with training shoes and barefoot. Material and Methods. Forty three (n = 43) preadolescent athletes were recruited for the study. In the fi rst testing session the participants’ anthropometric data and their VO₂max were recorded. The athletes were randomly assigned to compete in two testing protocols in counterbalanced order. The t-test assessed the performance in two protocols while the ROC curves were applied to illustrate the discrimination between performances relative to the athletes’ gender. Pearson’s correlation coefficient analysis was applied to evaluate the inter-correlations between the athletes’ VO₂max, and their anthropometric characteristics during an 1000m running event shod and unshod. Results. The results showed that boys performed better than girls in the 1000 m event, shod and unshod. Pearson’s correlation analysis presented a substantial effect on the VO₂max and body fat in the preadolescents’ performance in both protocols. In spite of the fact that boys performed slightly better than girls, the t-test did not confirm the signifi cant differences in the athletes’ 1000 m performance barefoot. Conclusions. The importance of the present study lies in the fact that the running performance of preadolescent athletes barefoot is not worse than their performance in training shoes, and this can provide an incentive for future research concerning the content of training programs of young athletes.

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The effect of high-heeled footwear on the induction of selected musculoskeletal conditions and potential beneficial uses in prophylaxis and management

80%

Wojcik G.

Health Problems of Civilization

2019

tom 13

nr 3

Footwear is, first and foremost, an essential wardrobe component, without which it is difficult to imagine an ordinary working day. High-heeled shoes are mainly worn for aesthetic reasons, and to enhance the slenderness of the female body. Badly fitting footwear can lead to the development of several medical conditions affecting function of the foot as well as the wider musculoskeletal system. Foot deformations correlate highly with the type of footwear being worn. The most commonly occurring foot disorders caused by wearing high heels are: bunions, hammer toe, mallet toe, claw toe, and flat feet. These types of shoes can also cause injuries such as sprains, dislocations and fractures around the ankle joint and in the foot itself. Highheeled footwear may have an effect not only on the foot, but also on the whole limb, including the spine and pelvis, as destructive changes around the foot affect the entire biokinematic chain, and being the first component of this chain they impede movement and negatively impact the function of other joints. Over time, inappropriate function of the foot joints results in dysfunction of other joints located higher, disrupting correct body posture. The aim of this work is to draw the readers’ attention to the effects of wearing high-heeled footwear, both the negative and positive, though the latter are extremely rare.

Ograniczanie wyników

1 Health Problems of Civilization

1 Trends in Sport Sciences

1 Mantzouranis N.

1 Pilianidis T.

1 Siachos N.

1 Smirniotou A.

1 Spiros K.

1 Wojcik G.

1 Zacharogiannis I.

1 2019

1 2013

Wyniki wyszukiwania

Evaluation of preadolescent athletes’ running performance in a middle distance event

The effect of high-heeled footwear on the induction of selected musculoskeletal conditions and potential beneficial uses in prophylaxis and management