Related Experiment Video
Updated: Jun 12, 2025
Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
Published on: September 18, 2020
Uphill Treadmill Running and Joint Mobilization Improve Dynamic Stability and Ankle Dorsiflexion Range of Motion in
Yongjie Lao1, Zimei Zeng2, Zhenni Yu2
1School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China; Division of Sports Science and Physical Education, Tsinghua University, Beijing, China.
Objective:
To observe the effect of uphill running and the combined effect of uphill running plus joint mobilizations on dynamic stability and ankle dorsiflexion in young adults with chronic ankle instability (CAI).
Design:
Four-arm randomized controlled trial.
Setting:
A college rehabilitation center.
Participants:
Individuals with CAI (N=73).
Interventions:
Participants were randomly assigned to 4 groups: combined uphill running and joint mobilization (URJM), uphill running alone (UR), joint mobilization alone (JM), and control group. The URJM and UR groups received 20-minute running sessions, and the URJM and JM groups received ankle joint mobilizations, all 3 times a week for 4 weeks.
Main Outcome Measures:
Cumberland Ankle Instability Tool (CAIT) and Y-balance test (YBT) in anterior, posteromedial (PM), and posterolateral (PL) directions for dynamic stability; weight-bearing lunge test and non-weight-bearing ankle dorsiflexion degree using a goniometer (NWBG) for dorsiflexion.
Results:
The UR group showed significant improvements in CAIT, YBT-PL, YBT-PM, and NWBG compared to the control group. The URJM group demonstrated large treatment effects in NWBG compared to both UR and JM groups. Responder analysis indicated that the UR, JM, and URJM groups had a higher likelihood of achieving clinically significant changes (exceeding minimal detectable change or minimal clinically important difference) in CAIT, YBT-PM, YBT-PL, and NWBG compared with the control group. Additionally, the combination of UR and JM was superior to either intervention alone for NWBG, with success rates 1.55 times greater than UR alone and 2.08 times greater than JM alone.
Conclusions:
A 4-week UR program improves the subjective feeling of instability, dynamic postural control, and ankle dorsiflexion in young adults with CAI. Compared to UR or JM alone, their combined application can better improve the non-weight-bearing ankle dorsiflexion range of motion.
