Introduction Ankle sprain is a frequent sports injury among volley and basketball players, and identifying risk factors is necessary to prevent injuries and prolong their careers. Objective To identify intrinsic and extrinsic factors in basketball and volleyball players related to the risk of ankle sprain injury over a five-month follow-up period. Methods Ninety-four Brazilian young competitive athletes (15.8±1.7 years, 47 basketball and 47 volleyball players) participated in this study. They were evaluated for intrinsic risk factors (previous history of ankle sprain, dominant lower limb, ankle ligament laxity, range of motion of the ankle-foot complex, electromyographic response time of ankle evertors, postural control and muscular torque of ankle invertors and evertors) and extrinsic risk factors (type of shoes worn, use of orthosis, previous injuries while training or competing, and the players’ position). Results During the study period, 18 (19%) athletes suffered unilateral sprains. Multivariate logistic regression analysis gave a final regression with four factors: dominant leg (p=0.161), type of shoes worn (p=0.049), player’s position (p=0.153), and peroneus brevis muscle reaction time (p=0.045). There was an 86.1% probability of an ankle sprain if the athlete had a left dominant leg, wore shoes without vibration dampeners, or played in the small forward, wing/hitter spiker, middle blocker, or opposite spiker positions, and had a peroneus muscle reaction time longer than 80ms. However, only the player’s position was significantly (p=0.046) associated with lesion occurrence. Conclusion The player’s position appeared to be a risk factor in both sports, and this result may help professionals to prevent ankle sprains. Level of Evidence I; High quality randomized clinical trial with or without statistically significant difference but with narrow confidence intervals.
Introduction: Ankle sprains are recurrent injuries in basketball, hence more and more athletes are taping their ankles to promote joint stability, aiming at improving dynamic balance and, consequently, functional performance. Objective: To verify the effects of elastic and rigid athletic taping on the functional performance and level of comfort of basketball players with chronic ankle instability. Methods: Twenty-one athletes aged between 18 and 30 years (mean age 23.7 ± 3.2) with chronic ankle instability (CAI), verified using the Cumberland Ankle Instability Tool, were selected to take part in this study. The Star Excursion Balance Test (SEBT) and the Figure-of-8 hop test (F8) were applied unilaterally to assess functional performance, considering the ankle of greater instability in three situations: without athletic taping, with rigid athletic taping and with elastic athletic taping. A draw was held to determine the order in which the tests (held over a number of days) would be applied. A questionnaire was conducted to assess comfort on the same day the athletic tapes were applied. Results: There was no significant difference between the tests in any direction of the SEBT, but there was a significant difference in F8 between the rigid athletic taping x control and elastic athletic taping x control situations. In addition, the elastic athletic tape was considered significantly more comfortable than the rigid athletic tape. Conclusion: Athletic taping appears to effectively improve the dynamic balance and functional performance of athletes with CAI only in activities that cause considerable joint stress, as is the case in F8. Elastic athletic tape appears to be just as effective as rigid athletic tape in these situations, in addition to being a significantly more comfortable alternative. Levef of Evidence I; High quality randomized trial with statistically significant difference or no statistically significant difference but narrow confidence intervals.
Introduction: Basketball is a sport that requires good motor coordination as well as intense and multidirectional movements. Chronic ankle instability affects about 40% of patients who have sustained a sprain injury. In order to minimize the effects of this dysfunction, functional elastic tape has been widely used due to its mechanical properties, having some positive effects on athletes’ functional performance. Objective: To evaluate the effect of elastic tapes on the ankles of basketball players with and without chronic instability. Method: Thirteen athletes from a varsity basketball team of both sexes, aged between 18 and 30 years (23.2 ± 3.2 years), who had been playing the sport for at least one year and trained at least twice a week. The subjects were assessed using the anterior drawer test for the presence or absence of chronic ankle instability and in three different situations: placebo, elastic tape and control, and the order of use of the implements was randomly determined, using the Star Excursion Balance Test (SEBT) to assess the ankle stability of these athletes. Results: Among the eight directions proposed in the SEBT, there was statistical significance in the difference in three directions for the placebo method in comparison to elastic taping and control. There was no statistical significance in the difference in four directions between the assessments, and there was no statistical significance in the difference in all directions between the control and elastic tapes. Conclusion: It can be inferred from the study that elastic taping does not have positive effects on joint stability in athletes with and without chronic instability, taking into account their functionality. Levef of Evidence I; High quality randomized trial with statistically significant difference or no statistically significant difference but narrow confidence intervals.
Background: Lateropulsion with active Pushing (LwP) is characterized by impairments in postural control. Previous research suggests an association between LwP, lesion location and verticality misperception. This first-ever systematic review evaluates the association between LwP, lesion location and the perception of verticality (PROSPERO: CRD42020159248). Methods: Pubmed, Web of Science, REHABDATA, Embase, Cochrane Library and PEDro were systematically searched on December 16th, 2021. Studies were included when examining lesion location or perception of verticality (Subjective Haptic, Visual or Postural Vertical) in supratentorial stroke patients showing LwP . Two reviewers independently screened and assessed risk of bias using the Newcastle Ottawa Scale. Data was qualitatively analysed and extracted.Results: Nineteen studies were included, examining a total of 340 LwP patients. Lesions in: the thalamus, internal capsule, inferior parietal lobule at the junction of the postcentral gyrus, the posterior insula and the superior temporal gyrus, were associated with LwP. Whereas all studies examining the Subjective Postural and Haptic Vertical (haptic only examined once) reported a significant increased deviation in LwP patients, inconsistent results were found for the Subjective Visual Vertical. Furthermore, the Subjective Visual and Postural Vertical showed inconsistent results for magnitude, direction and variability of this deviation.Discussion: A complex brain network, rather than only one brain region, seems responsible for body control with respect to gravity. A disruption within this network might lead to a bias in the construction of a correct internal reference frame, crucial for perceiving verticality. There was an association of LwP with verticality misperception in all three modalities. * ** * * * 8 Good Dai et al., 2021 [35] * * * ** * * * 8 Good Fraser et al., 2018 [30] * * * 3 Poor Fukata et al., 2020 [36] * * * ** * * * 8 Good Fukata et al., 2020 [37] * * * ** * * * 8 Good Karnath et al., 2000 [26] * * * * * * 6 Poor Paci et al., 2011 [41] * * * * ** * * * 9 Good Perennou et al., 2008 [2] * * * * ** * * * 9 Good Saj et al., 2005 [42] * * * * * * * * 8 Good Snowdon et al., 2005 [31] * * * * * 5 Poor
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