Journal of chiropractic medicine · 2025
Trendelenburg Test as a Predictor of Pelvic Drop Associated With Hip Abductor Function in Young, Healthy Adults During Gait.
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Andrews Alexander J, Henry Phoebe C, McCarney Luke, Kimpton Amanda J, Vindigni Dein, Lythgo Noel
Аннотация
OBJECTIVE: This study explored the link between hip abductor function, assessed through the Trendelenburg test (TT), and pelvic drop during walking and running across various terrains and speeds.
METHODS: A sample of 19 healthy adults (11 females, 8 males; average age 24.4 years, height 1.74 meters, weight 72.5 kilograms) participated. The TT was conducted on both sides of each participant's body, followed by walking at three speeds (self-selected, slow, fast) on 3 slopes (-10%, level, 10%) and running at 2 speeds (8 and 10 km/h) on the same slopes, using a motorized treadmill. Pelvic motion was captured with a 3D system to analyze maximum and minimum pelvic motion (P MAX, P MIN) and range of angular motion (P ROM). Participants were divided into "positive" and "negative" groups based on TT results. Independent and paired t tests (with Bonferroni corrections), along with Pearson's correlations, were used to analyze data.
RESULTS: Significant differences in P MAX and P MIN were observed between the groups, with the "positive" group showing 5.3° and 5.9° less movement, respectively, than the "negative" group. However, no significant differences were found in P ROM data between the groups across all gait tasks, and no correlation was identified between TT P ROM data and P ROM gait data in different walking conditions.
CONCLUSION: This study showed no association between the effects of hip abductor weakness (as identified by the TT) and pelvic mobility during walking and running gait in a healthy, young population. While the TT may serve as a valuable tool for identifying hip abductor weakness in a clinical setting, its direct applicability to predicting dynamic pelvic motion during walking and running remains limited.
METHODS: A sample of 19 healthy adults (11 females, 8 males; average age 24.4 years, height 1.74 meters, weight 72.5 kilograms) participated. The TT was conducted on both sides of each participant's body, followed by walking at three speeds (self-selected, slow, fast) on 3 slopes (-10%, level, 10%) and running at 2 speeds (8 and 10 km/h) on the same slopes, using a motorized treadmill. Pelvic motion was captured with a 3D system to analyze maximum and minimum pelvic motion (P MAX, P MIN) and range of angular motion (P ROM). Participants were divided into "positive" and "negative" groups based on TT results. Independent and paired t tests (with Bonferroni corrections), along with Pearson's correlations, were used to analyze data.
RESULTS: Significant differences in P MAX and P MIN were observed between the groups, with the "positive" group showing 5.3° and 5.9° less movement, respectively, than the "negative" group. However, no significant differences were found in P ROM data between the groups across all gait tasks, and no correlation was identified between TT P ROM data and P ROM gait data in different walking conditions.
CONCLUSION: This study showed no association between the effects of hip abductor weakness (as identified by the TT) and pelvic mobility during walking and running gait in a healthy, young population. While the TT may serve as a valuable tool for identifying hip abductor weakness in a clinical setting, its direct applicability to predicting dynamic pelvic motion during walking and running remains limited.