The Effect of a 4-Week Comprehensive Rehabilitation Program on Postural Control and Lower Extremity Function in Individuals With Chronic Ankle Instability

Context: Bilateral improvements in postural control have been reported among individuals with acute lateral ankle sprains and individuals with chronic ankle instability (CAI) when only the unstable ankle is rehabilitated. We do not know if training the stable ankle will improve function on the unstable side. Objective: To explore the effects of a unilateral balance-training program on bilateral lower extremity balance and function in individuals with CAI when only the stable limb is trained. Design: Cohort study. Setting: University clinical research laboratory. Patients or Other Participants: A total of 34 volunteers (8 men, 26 women; age = 24.32 ± 4.95 years, height = 167.01 ± 9.45 cm, mass = 77.54 ± 23.76 kg) with CAI were assigned to the rehabilitation (n = 17) or control (n = 17) group. Of those, 27 (13 rehabilitation group, 14 control group) completed the study. Intervention(s): Balance training twice weekly for 4 weeks. Main Outcome Measure(s): Foot and Ankle Disability Index (FADI), FADI Sport (FADI-S), Star Excursion Balance Test, and Balance Error Scoring System. Results: The rehabilitation and control groups differed in changes in FADI-S and Star Excursion Balance Test scores over time. Only the rehabilitation group improved in the FADI-S and in the posteromedial and anterior reaches of the Star Excursion Balance Test. Both groups demonstrated improvements in posterolateral reach; however, the rehabilitation group demonstrated greater improvement than the control group. When the groups were combined, participants reported improvements in FADI and FADI-S scores for the unstable ankle but not the stable ankle. Conclusions: Our data suggest training the stable ankle may result in improvements in balance and lower extremity function in the unstable ankle. This further supports the existence of a centrally mediated mechanism in the development of postural-control deficits after injury, as well as improved postural control after rehabilitation.

Download Full-text

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Journal of Visualized Experiments ◽

10.3791/61592 ◽

2020 ◽

Cited By ~ 1

Author(s):

Lulu Yin ◽

Zhangqi Lai ◽

Xiaoyue Hu ◽

Kun Liu ◽

Lin Wang

Keyword(s):

Lower Extremity ◽

Postural Control ◽

Muscle Activation ◽

Ankle Instability ◽

Chronic Ankle Instability ◽

Lower Extremity Muscle

Download Full-text

Alterations of lower extremity function, health-related quality of life, and spatiotemporal gait parameters among individuals with chronic ankle instability

Physical Therapy in Sport ◽

10.1016/j.ptsp.2021.06.006 ◽

2021 ◽

Author(s):

Inje Lee ◽

Sae Yong Lee ◽

Sunghe Ha

Keyword(s):

Quality Of Life ◽

Lower Extremity ◽

Ankle Instability ◽

Chronic Ankle Instability ◽

Health Related Quality ◽

Lower Extremity Function ◽

Gait Parameters ◽

Related Quality ◽

Health Related

Download Full-text

Mediating effects of lower extremity function on the relationship between night sleep duration and cardiovascular disease risk: a cross-sectional study in elderly Chinese without cardiovascular diseases

BMJ Open ◽

10.1136/bmjopen-2020-046015 ◽

2021 ◽

Vol 11 (7) ◽

pp. e046015

Author(s):

Hui Zhang ◽

Xiaoyu Chen ◽

Peipei Han ◽

Weibo Ma ◽

Yuanyuan Zhang ◽

...

Keyword(s):

Lower Extremity ◽

Sleep Duration ◽

Physical Performance ◽

Indirect Effect ◽

Night Sleep ◽

Lower Extremity Function ◽

Cvd Risk ◽

Extremity Function ◽

Elderly Chinese ◽

The Relationship

ObjectiveThe purpose of this study is to investigate the mediating effect of physical performance on the relationship between night sleep duration and risk of cardiovascular disease (CVD) in elderly Chinese without CVD.Methods782 participants without CVD over 65 years (average: 70.82±3.86 years, 448 women) were included in this study. CVD risk was calculated by the Framingham Risk Score and participants were divided into four groups of night sleep duration (in hours): <7 hours, ≥7–8 hours, >8–9 hours and >9 hours. Upper extremity function was measured by grip strength and lower extremity function was measured by the Short Physical Performance Battery (SPPB), consisting of balance, 4 m walk and chair stands tests.ResultsAfter adjusting for covariates, long night sleep duration (>9 hours) and CVD risk were significantly positively associated compared with moderate night sleep duration (≥7–8 hours) (β=1.152; 95% CI 0.05 to 2.25). SPPB total score (indirect effect ab=−0.122; 95% CI −0.291 to –0.0008) rather than grip strength partially mediated the relationship between long night sleep duration and CVD risk, in which chair stands played a major mediating role (indirect effect ab=−0.171; 95% CI −0.040 to –0.0006), while balance (indirect effect ab=−0.016; 95% CI −0.100 to 0.063) and 4 m walk (indirect effect ab=0.048; 95% CI −0.066 to 0.201) did not.ConclusionsLower extremity function, especially lower limb muscle strength, partially mediates a positive association between long night sleep duration and CVD risk in the elderly without CVD. Suitable interventions for physical performance and sleep may minimise the risk of subsequent CVD.

Download Full-text

The Impact of a Ten Week Training Program on Lower- Extremity Function and Fear of Falling

Proceedings of the Human Factors and Ergonomics Society Annual Meeting ◽

10.1177/1071181397041002145 ◽

1997 ◽

Vol 41 (2) ◽

pp. 1369-1369

Author(s):

Darryl G. Humphrey ◽

Laszlo Stumpfhauser

Keyword(s):

Lower Extremity ◽

Training Program ◽

Fear Of Falling ◽

Lower Extremity Function ◽

Extremity Function ◽

The Impact

Download Full-text

Effects of Three Tape Methods on Static Postural Control of Individuals with Chronic Ankle Instability

Medicine & Science in Sports & Exercise ◽

10.1249/01.mss.0000538253.54181.aa ◽

2018 ◽

Vol 50 (5S) ◽

pp. 683

Author(s):

Youngmin Chun ◽

Jinah Kim ◽

Songah Chae ◽

Emi Takahashi ◽

Adrian Pettaway ◽

...

Keyword(s):

Postural Control ◽

Ankle Instability ◽

Chronic Ankle Instability

Download Full-text

Work Ability and Employment in Rheumatoid Arthritis: A Cross-Sectional Study on the Role of Muscle Strength and Lower Extremity Function

International Journal of Rheumatology ◽

10.1155/2018/3756207 ◽

2018 ◽

Vol 2018 ◽

pp. 1-11 ◽

Cited By ~ 3

Author(s):

Carolin Berner ◽

Sandra Haider ◽

Igor Grabovac ◽

Thomas Lamprecht ◽

Karl Heinrich Fenzl ◽

...

Keyword(s):

Muscle Strength ◽

Lower Extremity ◽

Work Ability ◽

Employment Status ◽

Knee Extensor ◽

Lower Extremity Function ◽

Cross Sectional ◽

Hand Grip ◽

Extremity Function ◽

Knee Extensor Strength

Objective. The aim of the present study was to assess the association between muscle strength, lower extremity function, employment status, and work ability in RA patients. Methods. One hundred seropositive RA outpatients of working age were included in this cross-sectional study. Employment status was assessed by interview and work ability by the Work Ability Index-Single Item Scale (WAS). Muscle strength was determined using dynamometer measurement of isometric hand grip and knee extensor strength. Lower extremity function was measured using the short physical performance battery (SPPB). Regression models estimate the association between unemployment, work ability and muscle strength, and lower extremity function, controlling for sociodemographic and disease-related factors. Results. Forty-one percent of the RA patients were not gainfully employed, and their median work ability had a good WAS value (7.00 [4.00-7.00]). Patients with better knee extensor strength (OR=1.07, 95% CI [1.02-1.12) and better physical performance (OR=1.71, 95% CI [1.18-2.49]) had a significantly better chance of gainful employment. The odds for hand grip strength remained significant when adjusted for sociodemographic (OR=1.5, 95% CI [1.00-1.09]), but not for disease-specific variables. Better hand grip strength (β=0.25, p=0.039) and better knee extensor strength (β=0.45, p=0.001) as well as better lower extremity function (SPPB) (β=0.51, p<0.001) remained significantly associated with work ability following adjustment for sociodemographic and disease-specific variables. Conclusions. The association of employment status and work ability with parameters of physical fitness suggests that improvement in muscle strength and lower extremity function may positively influence work ability and employment in individuals with RA.

Download Full-text

The Effect of 2 Forms of Talocrural Joint Traction on Dorsiflexion Range of Motion and Postural Control in Those With Chronic Ankle Instability

Journal of Sport Rehabilitation ◽

10.1123/jsr.2015-0152 ◽

2017 ◽

Vol 26 (3) ◽

pp. 239-244 ◽

Cited By ~ 1

Author(s):

Cameron J. Powden ◽

Kathleen K. Hogan ◽

Erik A. Wikstrom ◽

Matthew C. Hoch

Keyword(s):

Postural Control ◽

Range Of Motion ◽

Outcome Measures ◽

Ankle Instability ◽

Weight Bearing ◽

Chronic Ankle Instability ◽

Physical Contact ◽

Future Research ◽

Talocrural Joint ◽

Sham Condition

Context:Talocrural joint mobilizations are commonly used to address deficits associated with chronic ankle instability (CAI).Objective:Examine the immediate effects of talocrural joint traction in those with CAI.Design:Blinded, crossover.Setting:Laboratory.Participants:Twenty adults (14 females; age = 23.80 ± 4.02 y; height = 169.55 ± 12.38 cm; weight = 78.34 ± 16.32 kg) with self-reported CAI participated. Inclusion criteria consisted of a history of ≥1 ankle sprain, ≥2 episodes of giving way in the previous 3 mo, answering “yes” to ≥4 questions on the Ankle Instability Instrument, and ≤24 on the Cumberland Ankle Instability Tool.Intervention:Subjects participated in 3 sessions in which they received a single treatment session of sustained traction (ST), oscillatory traction (OT), or a sham condition in a randomized order. Interventions consisted of four 30-s sets of traction with 1 min of rest between sets. During ST and OT, the talus was distracted distally from the ankle mortise to the end-range of accessory motion. ST consisted of continuous distraction and OT involved 1-s oscillations between the mid and end-range of accessory motion. The sham condition consisted of physical contact without force application. Preintervention and postintervention measurements of weight-bearing dorsiflexion, dynamic balance, and static single-limb balance were collected.Main Outcome Measures:The independent variable was treatment (ST, OT, sham). The dependent variables included pre-to-posttreatment change scores for the WBLT (cm), normalized SEBTAR (%), and time-to-boundary (TTB) variables(s). Separate 1-way ANOVAs examined differences between treatments for each dependent variable. Alpha was set a priori at P < .05.Results:No significant treatment effects were identified for any variables.Conclusion:A single intervention of ST or OT did not produce significant changes in weight-bearing dorsiflexion range of motion or postural control in individuals with CAI. Future research should investigate the effects of repeated talocrural traction treatments and the effects of this technique when combined with other manual therapies.

Download Full-text