Kathrine P Cady, Mark De Ste Croix, Martine Deighan
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Current research on the effect of sex and LAS history on DFROM is limited.</p><p><strong>Hypothesis/purpose: </strong>This study had three aims 1) to determine the effect of sex, leg dominance and LAS history on DFROM, 2) to determine the effect of sex and LAS history on magnitude of DFROM symmetry and 3) to examine the association of sex on direction (whether dominant or non-dominant limb had the higher DFROM) of symmetry.</p><p><strong>Study design: </strong>Cross-Sectional Study.</p><p><strong>Methods: </strong>DFROM was measured bilaterally in 105 recreational athletes all participating in multidirectional sports using the tape measurement method during the weight bearing lunge test (WBLT). A mean of three measurements was used for analysis. A 3-way mixed ANOVA was carried out to determine the interaction between sex, LAS history and leg dominance on DFROM and a 2-way ANOVA for the effect of sex and LAS history on asymmetry. A chi-square test was used to determine the association of sex and direction of asymmetry.</p><p><strong>Results: </strong>The results indicate no significant effect of sex, LAS history, and leg dominance on DFROM (p=0.65). Main effects were significant for sex and LAS on DFROM. The mean asymmetry for all participants was reported as 12.25±14.76cm. No significant effect of sex and LAS history on magnitude of asymmetry was reported. There was a significant association of sex and direction of asymmetry (χ2(1) = 11.26, p = 0.00). Sixty-five-point two percent of males were shown to have higher DFROM of their non-dominant limb compared to 75% of females who were higher in their dominant limb.</p><p><strong>Conclusion: </strong>Findings from this study suggest that DFROM is affected by sex and LAS history. While females have increased DFROM compared to males, those with LAS history are more likely to have a decreased DFROM on the involved side. The results also indicate that interlimb asymmetries in DFROM are present in athletes, therefore practitioners should exercise caution when using bilateral comparisons in injury and return to play assessments.</p><p><strong>Level of evidence: </strong>2b.</p>","PeriodicalId":47892,"journal":{"name":"International Journal of Sports Physical Therapy","volume":"19 6","pages":"714-723"},"PeriodicalIF":1.6000,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11144664/pdf/","citationCount":"0","resultStr":"{\"title\":\"Effect of Sex and Lateral Ankle Sprain History on Dorsiflexion Range Of Motion Asymmetry During the Weight Bearing Lunge Test.\",\"authors\":\"Kathrine P Cady, Mark De Ste Croix, Martine Deighan\",\"doi\":\"10.26603/001c.117775\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p><strong>Background: </strong>Reduced dorsiflexion range of motion (DFROM) which is commonly seen following lateral ankle sprain (LAS) has the potential to influence lower extremity biomechanics which have been linked to increased injury risk in the female athlete. Current research on the effect of sex and LAS history on DFROM is limited.</p><p><strong>Hypothesis/purpose: </strong>This study had three aims 1) to determine the effect of sex, leg dominance and LAS history on DFROM, 2) to determine the effect of sex and LAS history on magnitude of DFROM symmetry and 3) to examine the association of sex on direction (whether dominant or non-dominant limb had the higher DFROM) of symmetry.</p><p><strong>Study design: </strong>Cross-Sectional Study.</p><p><strong>Methods: </strong>DFROM was measured bilaterally in 105 recreational athletes all participating in multidirectional sports using the tape measurement method during the weight bearing lunge test (WBLT). A mean of three measurements was used for analysis. A 3-way mixed ANOVA was carried out to determine the interaction between sex, LAS history and leg dominance on DFROM and a 2-way ANOVA for the effect of sex and LAS history on asymmetry. A chi-square test was used to determine the association of sex and direction of asymmetry.</p><p><strong>Results: </strong>The results indicate no significant effect of sex, LAS history, and leg dominance on DFROM (p=0.65). Main effects were significant for sex and LAS on DFROM. The mean asymmetry for all participants was reported as 12.25±14.76cm. No significant effect of sex and LAS history on magnitude of asymmetry was reported. There was a significant association of sex and direction of asymmetry (χ2(1) = 11.26, p = 0.00). Sixty-five-point two percent of males were shown to have higher DFROM of their non-dominant limb compared to 75% of females who were higher in their dominant limb.</p><p><strong>Conclusion: </strong>Findings from this study suggest that DFROM is affected by sex and LAS history. While females have increased DFROM compared to males, those with LAS history are more likely to have a decreased DFROM on the involved side. 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引用次数: 0
摘要
背景：外侧踝关节扭伤（LAS）后常见的背屈活动范围（DFROM）减小可能会影响下肢生物力学，这与女性运动员受伤风险增加有关。假设/目的：本研究有三个目的：1）确定性别、腿部优势和外侧踝关节扭伤史对外侧踝关节扭伤的影响；2）确定性别和外侧踝关节扭伤史对外侧踝关节扭伤对称性大小的影响；3）研究性别对对称性方向（优势肢体或非优势肢体的外侧踝关节扭伤对称性更高）的相关性：研究设计：横断面研究：方法：对 105 名参加多方向运动的休闲运动员进行双侧 DFROM 测量，测量方法是在负重腾跃试验（WBLT）中使用卷尺测量法。采用三次测量的平均值进行分析。进行了三方混合方差分析，以确定性别、LAS历史和腿部优势对DFROM的交互作用，以及性别和LAS历史对不对称的影响的双向方差分析。采用卡方检验来确定性别与不对称方向的相关性：结果表明，性别、LAS历史和腿部优势对DFROM无明显影响（P=0.65）。性别和 LAS 对 DFROM 的主效应显着。所有参与者的平均不对称度为（12.25±14.76）厘米。性别和 LAS 历史对不对称程度无明显影响。性别与不对称方向有明显相关性（χ2(1) = 11.26, p = 0.00）。结果显示，65.2%的男性非优势肢体的DFROM较高，而75%的女性优势肢体的DFROM较高：本研究结果表明，DFROM受性别和LAS病史的影响。与男性相比，女性的 DFROM 增加，而那些有 LAS 病史的人更有可能患侧的 DFROM 减少。研究结果还表明，运动员肢体间的DFROM存在不对称现象，因此从业人员在进行伤病和重返赛场评估时，应谨慎使用双侧比较法。
Effect of Sex and Lateral Ankle Sprain History on Dorsiflexion Range Of Motion Asymmetry During the Weight Bearing Lunge Test.
Background: Reduced dorsiflexion range of motion (DFROM) which is commonly seen following lateral ankle sprain (LAS) has the potential to influence lower extremity biomechanics which have been linked to increased injury risk in the female athlete. Current research on the effect of sex and LAS history on DFROM is limited.
Hypothesis/purpose: This study had three aims 1) to determine the effect of sex, leg dominance and LAS history on DFROM, 2) to determine the effect of sex and LAS history on magnitude of DFROM symmetry and 3) to examine the association of sex on direction (whether dominant or non-dominant limb had the higher DFROM) of symmetry.
Study design: Cross-Sectional Study.
Methods: DFROM was measured bilaterally in 105 recreational athletes all participating in multidirectional sports using the tape measurement method during the weight bearing lunge test (WBLT). A mean of three measurements was used for analysis. A 3-way mixed ANOVA was carried out to determine the interaction between sex, LAS history and leg dominance on DFROM and a 2-way ANOVA for the effect of sex and LAS history on asymmetry. A chi-square test was used to determine the association of sex and direction of asymmetry.
Results: The results indicate no significant effect of sex, LAS history, and leg dominance on DFROM (p=0.65). Main effects were significant for sex and LAS on DFROM. The mean asymmetry for all participants was reported as 12.25±14.76cm. No significant effect of sex and LAS history on magnitude of asymmetry was reported. There was a significant association of sex and direction of asymmetry (χ2(1) = 11.26, p = 0.00). Sixty-five-point two percent of males were shown to have higher DFROM of their non-dominant limb compared to 75% of females who were higher in their dominant limb.
Conclusion: Findings from this study suggest that DFROM is affected by sex and LAS history. While females have increased DFROM compared to males, those with LAS history are more likely to have a decreased DFROM on the involved side. The results also indicate that interlimb asymmetries in DFROM are present in athletes, therefore practitioners should exercise caution when using bilateral comparisons in injury and return to play assessments.
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