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The effect of balance training on ankle proprioception in patients with functional ankle instability
Journal of Foot and Ankle Research volume 7, Article number: A37 (2014)
Approximately 40-70% of individuals who suffer an ankle sprain report residual symptoms 6 weeks to 18 months post injury . Balance training is often the first choice of treatment in patients with functional ankle instability (FAI); however the effect of balance training on the ankle proprioceptive sensation in these patients is debatable .
To examine the effect of 4-week balance training intervention on self-reported ankle instability using Cumberland ankle instability tool questionnaire (CAIT) and ankle joint position sense (JPS) using joint position-reposition test in patients with FAI.
Twenty-four recreationally active patients with unilateral FAI were randomized to either the control (n = 12, 34.6±9.04 years, CAIT score = 13.9±4.3) or experimental (n = 12, 33.8±6.4 years, CAIT score = 13.4±3.3) group. Patients in the experimental group were trained on the affected limb using static and dynamic balance components with Biodex balance stability system. CAIT questionnaire was administered at baseline and 6-week post-intervention. The passive ankle JPS at 15 and 30 degrees of ankle inversion on the affected and unaffected limbs was measured at baseline and 4-week post-intervention using Biodex dynamometer. CAIT questionnaire score and mean error in angular displacement at baseline and post-intervention were compared using two-tailed paired Student t tests.
At baseline, CAIT questionnaire scores were similar between the two groups. There was a significant side-to-side difference in the mean error at 30° (4.1±2.6 vs. 2.5±2.0, p=0.03, 95% CI [0.170, 3.024]) of ankle inversion. Following balance training, the experimental group showed significant improvement in CAIT questionnaire score (22.3±2.5, p=0.001, 95% CI [2.983, 9.183]). The experimental group also showed significant reduction in mean error on the affected limb following intervention at both 15° (1.9±1.4, p = 0.008, 95% CI [-5.376, -1.013]) and 30° (1.4±1.2, p = 0.001, 95% CI [-4.531, -1.580]) of ankle inversion. When compared to the affected limb in the control group, affected limb in the experimental group demonstrated significant reduction in mean error at 30° (p=0.002) but not at 15° of ankle inversion following balance training intervention (Figure 1).
The 4-week balance training program was effective in reducing the self-reported ankle instability and improving the deficit of ankle joint position sense in patients with FAI.
Level of evidence: Therapy, 2b
ClinicalTrials.gov Identifier: NCT00703456
Supported by NIH Grant R21 AR062205 and Kansas Partners in Progress, Inc.
Yeung MS, et al: An epidemiological survey on ankle sprain. Br J Sports Med. 1994, 28 (2): 112-6. 10.1136/bjsm.28.2.112.
Ashton-Miller JA, et al: Can proprioception really be improved by exercises?. Knee Surg Sports Traumatol Arthrosc. 2001, 9 (3): 128-36. 10.1007/s001670100208.
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Jain, T.K., Wauneka, C.N. & Liu, W. The effect of balance training on ankle proprioception in patients with functional ankle instability. J Foot Ankle Res 7 (Suppl 1), A37 (2014). https://doi.org/10.1186/1757-1146-7-S1-A37
- Ankle Sprain
- Balance Training
- Ankle Instability
- Joint Position Sense
- Proprioceptive Sensation