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Immediate and short-term effects of virtual games on balance function in patients with functional ankle instability / 中国综合临床
Clinical Medicine of China ; (12): 152-160, 2022.
Article in Chinese | WPRIM | ID: wpr-932161
ABSTRACT

Objective:

To investigate the immediate and short-term effects of virtual games on balance function in patients with functional ankle instability(FAI).

Methods:

Fifty-six FAI subjects from North China University of Science and Technology from September 2020 to December 2020 were selected by cruamberland ankle instability tool(CAIT). According to the computer random number method,the 56 subjects were randomly divided into the control group and the observation group with 28 subjects in each group,and the prospective cohort study method was used for this study. Control group accepted routine balance training,observation group based in the control group carries on the virtual game training. Before and immediately after intervention and 4 weeks after intervention,the static balance ability of subjects in the two groups was evaluated and compared by Tecnobody balance instrument,and the dynamic balance ability of subjects in the two groups was evaluated and compared by star excursion balance test(SEBT),and the CAIT score of subjects in the two groups was recorded and compared. The measurement data conforming to normal is expressed in xˉ ± s means independent sample t-test or paired t-test. χ2 test was used for counting data.

Results:

Immediately after intervention,the 8 directions of SEBT scores in the observation group are significantly improved compared with those before intervention Anterior(69.06±7.57)% and (63.69±8.05)%, Anterolateral (61.14±6.68)% and (55.77±7.39)%, Lateral (67.71±7.99)% and (62.93±7.56)%, Posterolateral (76.43±6.98)% and (71.31±7.86)%, Posterior (75.45±6.78)% and (68.72±6.65)%, Posteromedial (79.13±8.09)% and (72.72±9.03)%, Medial(72.67±7.43)% and (65.67±8.16)%, Anteromedial (67.75±8.30)% and (63.18±8.95)% ( t values were 8.03, 11.88, 9.72, 6.43, 19.53, 9.36, 11.06 and 6.46, respectively; all P<0.001), and the observation group was significantly better than the control group (63.24±6.72)%, (55.41±7.74)%, (61.49±8.37)%, (70.02±6.81)%, (69.06±9.46)%, (72.41±7.20)%, (66.37±6.57)% and (62.15±6.89)%. There were significant differences between the two groups ( t values were 3.04, 2.97, 2.84, 3.47, 2.90, 3.28, 3.36 and 2.75, respectively; P values were 0.004, 0.004, 0.006, 0.001, 0.005, 0.002, 0.001 and 0.008,respectively). After 4 weeks of intervention,the static balance parameters in the observation group were significantly reduced compared with before intervention under the condition of opened eyes and closed eyes (open eyes average AP speed of COP (24.68±6.85) mm/s and (27.57±7.15) mm/s,average ML speed of COP (26.25±6.20) mm/s and (30.61±6.99) mm/s, ellipse area of COP (915.75±356.08) mm and (1 286.54±530.05) mm, perimeter of COP (823.82±173.80) mm and (1 142.89±297.03) mm ( t values were 4.02, 3.09, 4.89 and 6.74, respectively; all P<0.001); closed eyesaverage AP speed of COP (66.82±15.02) mm/s and (73.71±11.12) mm/s, average ML speed of COP (76.93±13.36) mm/s and (84.39±10.05) mm/s, ellipse area of COP (3 318.54±958.75) mm and (4 174.21±1 310.54) mm, perimeter of COP (2 156.96±665.80) mm and (2 817.75±528.22) mm ( t values were 3.23,3.29,4.95,5.02, respectively; P values were 0.003, 0.003,<0.001,<0.001,respectively). Average ML speed of COP (open eyes(26.25±6.20) mm/s), ellipse area of COP (open eyes (915.75±356.08) mm;closed eyes (3 318.54±958.75) mm and perimeter of COP (open eyes (823.82±173.80) mm; closed eyes (2 156.96±665.80) mm) in the observation group were lower than those of the control group(30.68±9.81) mm/s, (1 137.25±423.27) mm, (3 973.36±1 306.61) mm, (1 038.79±242.90) mm, (2 603.43±703.81) mm, the differences were statistically significant ( t values were 2.02,2.12,2.14,3.81,2.44,respectively; P values were 0.049,0.039,0.037, <0.001,=0.018, respectively). After 4 weeks of intervention,the 8 directions of SEBT scores in both groups were significantly improved compared with those before intervention (Anteriorobservation group (72.84±6.76)% and (63.69±8.05)%,control group (69.05±6.16)% and (62.96±6.56)%. Anterolateralobservation group (65.24±7.68)% and (55.77±7.39)%,control group (60.65±8.11)% and (54.65±8.98)%. Lateral observation group(73.97±8.80)% and (62.93±7.56)%, control group (68.34±9.14)% and (61.24±9.42)%. Posterolateral observation group (81.68±6.69)% and (71.31±7.86)%, control group (76.39±6.78)% and (69.74±8.11)%. Posterior observation group (81.41±7.86)% and (68.72±6.65)%, control group (75.21±8.48)% and (68.45±9.96)%. Posteromedial observation group (82.77±8.69)% and (72.72±9.03)%,control group (78.38±6.84)% and (72.36±7.34)%. Medialobservation group (77.47±7.85)% and(65.67±8.16)%, control group (72.66±6.93)% and (65.95±7.09)%. Anteromedialobservation group(73.33±8.91)% and (63.18±8.95)%, control group (68.35±6.53)% and (61.66±6.80)% ( t values were 14.19, 10.17, 12.71, 12.35, 12.32, 8.99, 11.38, 6.95, 12.66, 7.94, 9.54, 11.53, 11.89, 12.87, 11.69 and 12.53, respectively; all P<0.001)), and the observation group was significantly better than the control group,the differences were statistically significant ( t values were 2.19, 2.18, 2.35, 2.94, 2.84, 2.10, 2.43 and 2.38, respectively; P values were 0.033, 0.034, 0.023, 0.005, 0.006, 0.040, 0.018 and 0.021, respectively). After 4 weeks of intervention,the CAIT score of subjects in both groups was significantly improved compared with before intervention (observation group (18.89±3.62) points and (14.93±4.09) points,control group (16.96±3.18) points and (15.25±3.81) points ( t values were 10.54 and 5.65; all P<0.001), and The CAIT score in observation group was higher than that in control group,the differences were statistically significant ( t=2.12, P=0.039).

Conclusion:

Virtual games could immediately improve the dynamic balance ability of FAI patients,which combined with conventional balance training intervention for 4 weeks significantly also improved the balance ability and ankle joint stability of FAI patients.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Clinical Medicine of China Year: 2022 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Observational study Language: Chinese Journal: Clinical Medicine of China Year: 2022 Type: Article