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The purpose of this study was to examine the influence of sex on the acute effect of static-passive one-session stretching on V sit-and-reach scores in university students. A sample of 76 college students aged 19–30 years were divided into a women group (n = 36) and men group (n = 40). During one session the students performed stretching exercises for the major body muscles using the static-passive technique. Hamstring and lower back muscles extensibility was estimated by the V-sit-and-reach test at the beginning and at the end of the stretching session. The results of the two-way ANOVA with the Bonferroni adjustment showed that females and males did not show a different response to the one-session stretching intervention (p > 0.05). However, both the women and men increased statistically their scores after performing the stretching session (p < 0.001). In conclusion, no differences have been found in the trainability of flexibility by sex. However, there are differences of flexibility by the sex of students, being the females, who obtained the highest marks in the V-sit-and-reach. All this knowledge could help coaches to design more effectives stretching programs.
A drop in flexibility of the vertebral column is connected with chronic low back pain. Qualification of vertebral column flexibility is not so simple. Beside of clinical methods (for example Schober test), we can use a radiological method. Comparing values of Whitman- Fergusson's angle and Cobb's angle for standing and supine- lying position, author has stated a significant drop in elastic properties of the vertebral column in patients with chronic low back pain.
Introduction. Thermography is a one of new non-invasive method using to assess the impact of physiotherapeutic treatment for the human body. Aim of Study. The purpose of this study was the qualification of dependence between application of classical massage of hand and forearm and the temperature of muscles surface of the upper limb and the strength of hand and the range of motion in radio-carpal joint. Material and Methods. The research embraced 12 men aged 19-23 years. The Flir A325 camera was used for thermal imaging. The measurement of hand strength was made by means of analog dynamometer, and the range of motion in radio-carpal joint – was measured with the goniometer. All tests and measurements were performed twice – directly before and after the massage of hand and forearm (the right limb). Classical massage was performed on the dorsal and palmar surface of the hand and on front and back of the forearm. Results. After the massage the superficial temperature of massaged (studied) limb significantly rose. There was also noted some essential difference of temperature of the back surface of the limb not being massaged (control). One did not, however, observe any differences of temperature of the front surface of the left forearm and shoulder. The broadening of the range of motion in radio-carpal joint of the right limb (in all surfaces) was shown. There were no characteristic differences in the hand strength measured with the dynamometer before and after applied massage. Conclusions. The classical massage, though it increases the temperature of muscles and affects the enlargement of effort tolerance, is not a sufficient means for preparation to physical effort. Due to massage, the range of motion in the joint of massaged limb broadened, therefore, the effect of applied treatment is mostly loosening.
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Collagens are major structural proteins of tendons, ligaments and other components of musculoskeletal tissues. Rare mutations in many of the genes, which encode for the collagen !-chains, result in serious musculoskeletal disorders, highlighting the importance of this protein family in the normal structure and function of musculoskeletal tissues. Since these rare mutations cause severe disorders, it has been proposed that a lack of biological redundancy exists within the collagen fibril, and that collagen-encoding genes are therefore ideal candidates for association with less severe exercise-related traits. This review identifies a number of collagen gene variants which are associated with various exercise-related traits. Based on the evidence outlined in this review, we propose that a general genetic continuum exists for collagen genes and their associated traits. At one end of this general continuum model, a single mutation within one or more collagen genes will result in severe Mendelian disorders. At the other end of the continuum, functional variants within these collagen genes collectively contribute to the aetiology of anomalous multifactorial connective tissue traits, which arise as a result of the interaction of genetic and non-genetic factors which modulate physiological responses to environmental stimuli.
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