Br J Sports Med. Published Online First: 5 July 2007. doi:10.1136/bjsm.2006.033639
Paper |
Comparison of thoracic kyphosis in two groups of elite Greco-Roman and free style wrestlers and a group of non-athletic subjects
1 University of Tehran, Iran, Islamic Republic of
2 York St John University, United Kingdom
* To whom correspondence should be addressed. E-mail: rrajabi{at}ut.ac.ir.
Accepted 25 June 2007
Abstract
Background: Free style and Greco-Roman are two types of wrestling that place the spine of athletes in different positions. Theoretically it can be argued that this can lead to adverse effects on the spine and might be an important factor associated with changes in kyphosis degree.
Objectives: The aim of this study was to investigate whether the extent of the thoracic kyphosis differs in two groups of elite wrestlers and a group of non-athletic participants.
Methods: Sixty elite Iranian male wrestlers consisting of 30 free style (age 23.5 ± 2.8 years; height 176 ±7.1; weight 77.8 ±16.1), 30 Greco-Roman style (aged 23.9 ± 2.9; height 176 ±4; weight 80.1 ±11.1) and 30 non-athletes male (age 23.3 ± 2.1; height 175 ±8; weight 75.2 ±6.7) were recruited. All wrestlers competed at international level with the Iranian national team or Iranian student national team. Each selected wrestler had to meet a minimum criterion of 5 years wrestling. The degree of kyphosis was measured using a modified Electrogoniometer.
Results: Mean kyphosis was 30°±3.8°, 24.3°±3.7° and 27.4°±3.2° for the free style, Greco-Roman style and non-athlete groups respectively. A significant difference was found in mean of kyphosis between all groups (p<0.05) with free-style being the highest and Greco-Roman the lowest.
Conclusions: The degree of kyphosis was highest in free-style wrestling, followed by non-athletes and then free-style wrestlers. The extent of kyphosis was not influenced by years of training or age of starting wrestling. The implications are that the extent of kyphosis, albeit different between wrestling styles, is not associated with training and duration of competition.
Key Words: kyphosis, physical training, wrestling
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