Walking Energy Cost of Subjects Suffering from Unilateral Chronic Ankle Instability

Yıl 2014, , 71 - 76, 01.06.2014

Amr Almaz Abdel-aziem Osama Ragaa Abdelraouf

https://doi.org/10.15197/sabad.1.11.42

Öz

The purpose of this study was to explore the effect of unilateral ankle instability on walking energy expenditure. Chronic ankle instability group consisted of 20 subjects their age average (21.4±5.55) years, height average (177.85 ± 4.96) cm and weight average (81.25 ± 6.87) kg, they were referred from orthopedic specialist. The control group consisted of 20 normal subjects, their age average (24.65 ± 4.61) years, height average (178.7 ± 3.76) cm and weight average (80.4 ± 12.43) kg. Participants walked on a treadmill at two speeds 5 km/h (comfortable walking) and 6.5 km/h (fast walking) for three min with resting period of twenty minutes between each test. Before testing there was 3 min warm up at 1.5 km/h, and after each test there was 3 min recovery at 1.5 km/h. The oxygen consumption and energy expenditure at the two speeds are measured by using ZAN 100 flow handy П medical device with a PC- connected to open spirometry system. Results revealed that there was a significant increase in oxygen consumption and energy expenditure of the two groups as walking speed increased from 5 to 6.5 km/h. There was no significant difference in oxygen consumption and energy expenditure between both groups at walking speed 5 km/h. However, the oxygen consumption and energy expenditure of chronic ankle instability group was significantly higher than control group at walking speed 6.5 km/h. So, chronic ankle instability increased the walking energy cost especially during fast walking.

Anahtar Kelimeler

Walking, chronic ankle instability, energy cost

Walking Energy Cost of Subjects Suffering from Unilateral Chronic Ankle Instability

Öz

Bu çalışmanın amacı tek taraflı ayak bileği istikrarsızlığının yürümenin enerji harcamasına olan etkisini araştırmaktır. Çalışmaya kronik ayak bileği instabiliteli, yaş ortalaması (21.4±5.55), boy ortalaması (177.85 ± 4.96) cm ve kilo ortalaması (81.25 ± 6.87) kg olan 20 hasta alındı. Hastalar ortopedi uzmanına yönlendirildi. Kontrol gurubu olarak yaş ortalaması (24.65 ± 4.61), boy ortalaması (178.7 ± 3.76) cm ve kilo ortalaması (80.4 ± 12.43) kg olan 20 sağlık birey alındı. Katılımcılar her test arasındaki yirmi dakika dinlenme süresi bırakılarak üç dakika boyunca 5 km / h (rahat yürüyüş) ve 6.5 km / h (hızlı yürüyüş) ile bir koşu bandı üzerinde yürüdü. Test öncesi 1.5 km / h hızında 3 dakika ısınma ve test sonrasında 1.5 km / h hızında 3 dakika toparlanma yapıldı. Her iki hız testindeki oksijen kullanımı ve enerji tüketimi bilgisayar bağlantılı sipirometre sistemli ZAN 100 flow handy П medical device ile ölçüldü. Sonuçlar : Her iki grupta, yürüme hızı 5 km/h den 6,5 km/h hızına çıkarılınca oksijen kullanımı ve enerji tüketiminde önemli artış görüldü. 5 km/h hızında her iki grup arasında oksijen kullanımı ve enerji tüketimi arasında fark yoktu. Hız 6,5 km/h hızına çıkıldığında kronik ayak bileği insitabiletisi olan hastalarda oksijen kullanımı ve enerji tüketimi kontrol gurubuna göre anlamlı derecede daha yüksek bulundu. Bundan dolayı; kronik ayak bileği instabiletesi özellikle hızlı yürüyüş sırasında yürüyüş enerji maliyetini arttırmıştır

Anahtar Kelimeler

Yürüyüş, kronik ayak bileği instabilitesi, enerji maliyeti

Kaynakça

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