Dataset Information

Effect of Multicomponent Home-Based Training on Gait and Muscle Strength in Older Adults After Hip Fracture Surgery: A Single Site Randomized Trial.

ABSTRACT:

Objective

To investigate the effect of 16-week home-based physical therapy interventions on gait and muscle strength.

Design

A single-blinded randomized controlled trial.

Setting

General community.

Participants

Thirty-four older adults (N=34) post hip fracture were randomly assigned to either experimental group (a specific multi-component intervention group [PUSH], n=17, 10 women, age=78.6±7.3 years, 112.1±39.8 days post-fracture) or active control (a non-specific multi-component intervention group [PULSE], n=17, 11 women, age=77.8±7.8 years, 118.2±37.5 days post-fracture).

Intervention

PUSH and PULSE groups received 32-40 sessions of specific or non-specific multi-component home-based physical therapy, respectively. Training in the PUSH group focused on lower extremity strength, endurance, balance, and function for community ambulation, while the PULSE group received active movement and transcutaneous electrical nerve stimulation on extremities.

Main outcome measures

Gait characteristics, and ankle and knee muscle strength were measured at baseline and 16 weeks. Cognitive testing of Trail Making Test (Part A: TMT-A; Part-B: TMT-B) was measured at baseline.

Results

At 16 weeks, both groups demonstrated significant increases in usual (P<.05) and fast (P<.05) walking speed, while there was no significant difference in increases between the groups. There was only 1 significant change in lower limb muscle strength over time (non-fractured side) between the groups, such that PUSH did better (mean: 4.33%, 95% confidence interval:1.43%-7.23%). The increase in usual and fast walking speed correlated with the baseline Trail-making Test-B score (r=-0.371, P=.037) and improved muscle strength in the fractured limb (r=0.446, P=.001), respectively.

Conclusion

Gait speed improved in both home-based multicomponent physical therapy programs in older adults after hip fracture surgery. Muscle strength of the non-fractured limb improved in the group receiving specific physical therapy training. Specific interventions targeting modifiable factors such as muscle strength and cognitive performance may assist gait recovery after hip fracture surgery.

SUBMITTER: Huang MZ

PROVIDER: S-EPMC10039715 | biostudies-literature | 2023 Feb

REPOSITORIES: biostudies-literature

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Publications

Effect of Multicomponent Home-Based Training on Gait and Muscle Strength in Older Adults After Hip Fracture Surgery: A Single Site Randomized Trial.

Huang Mei Zhen MZ Rogers Mark W MW Pizac Douglas D Gruber-Baldini Ann L AL Orwig Denise D Hochberg Marc C MC Beamer Brock A BA Creath Robert A RA Savin Douglas N DN Conroy Vincent M VM Mangione Kathleen K KK Craik Rebecca R Zhang Li-Qun LQ Magaziner Jay J

Archives of physical medicine and rehabilitation 20220907 2

<h4>Objective</h4>To investigate the effect of 16-week home-based physical therapy interventions on gait and muscle strength.<h4>Design</h4>A single-blinded randomized controlled trial.<h4>Setting</h4>General community.<h4>Participants</h4>Thirty-four older adults (N=34) post hip fracture were randomly assigned to either experimental group (a specific multi-component intervention group [PUSH], n=17, 10 women, age=78.6±7.3 years, 112.1±39.8 days post-fracture) or active control (a non-specific mu ...[more]

PMID: 36087806

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Project description:IntroductionHip fractures predominantly occur in the geriatric population and results in increased physical inactivity and reduced independency, largely influenced by a downward spiral of ambulatory capacity, related to loss of skeletal muscle strength and postural stability. Thus, effective postoperative treatment, targeting improvements in muscle strength, is sought after.Materials & methodsTwenty-one hip fracture patients (>65 yr) were randomized to 8 weeks of either conventional physiotherapy control group (CG), or leg press and hip abduction maximal strength training (MST) 3 times per week. MST was performed applying heavy loads (85-90% of 1 repetition maximum; 1RM) and 4-5 repetitions in 4 sets. Maximal strength (bi- and unilateral 1RM), postural stability (unipedal stance test; UPS), and DEXA-scan bone mineral content/ density (BMC/BMD) were measured before and after the 8-week rehabilitation.ResultsBoth MST and conventional physiotherapy improved bilateral leg press 1RM by 41 ± 27 kg and 29 ± 17 kg, respectively (both p < 0.01), while unilateral leg press 1RM only increased after MST (within group and between groups difference: both p < 0.05). MST also resulted in an increase in abduction 1RM in both the fractured (5 kg, 95%CI: 2-7; p < 0.01) and healthy limb (6 kg, 95%CI: 3-9; p < 0.01), while no such improvement was apparent in the CG (between groups difference: p < 0.01). Finally, MST improved UPS of the fractured limb (p < 0.05). No differences were observed in BMC or BMD following the 8 weeks.DiscussionEarly postoperative MST improved lower extremities maximal muscle strength more than conventional physiotherapy and was accompanied by improvements in postural stability.ConclusionImplementing MST in early rehabilitation after hip fracture surgery should be considered as a relevant treatment to curtail the downward spiral of reduced ambulatory capacity typical for this patient group, possibly reducing the risk of recuring falls and excess mortality.Trial registrationhttps://clinicaltrials.gov/ct2/show/NCT03030092.

Project description:ImportancePatients with a hip fracture lose more than 50% knee-extension strength in the fractured limb within one week of surgery. Hence, immediate progressive strength training following hip fracture surgery may be rational, but the feasibility unknown.ObjectiveTo examine the feasibility of in-hospital progressive strength training implemented in the acute ward following hip fracture surgery, based on pre-specified criteria for feasibility.Design, setting and patientsA prospective cohort study conducted in an acute orthopedic hip fracture unit at a university hospital. A consecutive sample of 36 patients, 18 with a cervical and 18 with a trochanteric hip fracture (27 women and 9 men, mean (SD) age of 79.4 (8.3) years) were included between June and December 2012.InterventionA daily (on weekdays) program of progressive knee-extension strength training for the fractured limb, using ankle weight cuffs in 3 sets of 10 repetition maximum loadings.Main outcomes and measuresThe primary outcome was the change in training load (kg) during the knee-extension strength training. The secondary outcomes were changes in hip fracture-related pain and maximal isometric knee-extension strength.ResultsThe strength training was commenced at a mean of 2.4 (0.7) days after surgery. The training loads (kilograms lifted) increased from 1.6 (0.8) to 4.3 (1.7) kg over 4.3 (2.2) training sessions (P<.001). The maximal isometric knee-extension strength of the fractured limb increased from 0.37 (0.2) to 0.61 (0.3) Nm/kg (P<.001), while the average strength deficit in the fractured limb decreased from 50% to 32% (% non-fractured, P<.001). Only 3 of 212 sessions were not performed because of severe hip fracture-related pain.Conclusion and relevanceProgressive knee-extension strength training of the fractured limb commenced in the acute ward seems feasible, and may reduce strength asymmetry between limbs without hip pain interfering. The clinical efficacy needs confirmation in a randomized controlled design.Trial registrationClinicalTrials.gov ID: NCT01616030.

Project description:ObjectiveTo quantify the effect of 2 home-based 16-week multi-component physical therapy interventions on functional recovery compared to usual care after hip fracture.DesignCross-study comparison using participants from the Community Ambulation Project (CAP; a randomized controlled trial) were compared to the Baltimore Hip Studies-seventh cohort (BHS-7; an observational cohort study) at 3 different time points (CAP: 15, 31, 55 weeks; BHS-7: 8, 26, and 52 weeks).SettingGeneral community PARTICIPANTS: Combined convenience sample of hip-fracture patients 8-26 weeks post admission from a prospective cohort study and randomized controlled trial. (N=549) INTERVENTIONS: CAP participants were randomized to one of 2 interventions (PUSH: specific multi-component intervention; PULSE: non-specific multi-component intervention) after standard rehabilitation; BHS-7 participants received usual care.Main outcome measuresMean function (as measured by Short Physical Performance Battery (SPPB) and gait speed) was estimated in each cohort as quadratic functions of time using data from 3 post-fracture assessments in both studies (CAP: 15, 31, 55 weeks; BHS-7: 8, 26, and 52 weeks).ResultsThe harmonized samples included 101 PUSH, 100 PULSE, and 128 BHS-7 participants that had different demographic and clinical characteristics. Mean baseline SPPB scores (meters per second) were PUSH: 5.5 (SD=2.2), PULSE: 5.5 (SD=2.4), and BHS-7: 4.6 (SD=2.5); and mean gait speeds were 0.60 m/s (SD=0.20) for PUSH, 0.59 m/s (SD=0.17) for PULSE, and 0.46 m/s SD=(0.21) for BHS-7, respectively. Estimated between-group differences for SPPB improvement from 75 days to 1-year post admission were 0.7 (P=.04) in PUSH vs BHS-7; and 0.9 (P=.01) in PULSE vs BHS-7. Mean differences in change in gait speed were 0.08 (P=.002) for PUSH vs BHS-7; and 0.06 (P=.02) PULSE vs BHS-7 (P=.02).ConclusionsFindings from this cross-study comparison that combined participants from 2 separate studies, with different designs and samples, suggest that home-based multi-component physical therapy programs were associated with greater functional improvement after hip fracture compared to usual care.

Project description:IntroductionA unilateral transfemoral amputation (TFA) has a major impact on function. A leg-length discrepancy is the primary structural change, accompanied by the loss of lower-limb muscle volume and function. Prostheses can help individuals with a TFA to regain function, but such individuals still do not reach the functional level of unimpaired peers and exhibit gait deviations. This study gives insight into the causality between residual limb strength and gait deviations in individuals with a TFA.MethodsA convenient sample of 13 male individuals with a TFA (38.0 ± 12.6y; 179.7cm ± 6.5cm; 82.9kg ± 12.4kg) was recruited for this study. One participant with TFA was excluded, as he differed from the rest of the cohort, in residual limb length and the use of walking aids. A cohort of 18 unimpaired subjects served as a reference group (REF; nine females; 44y ± 13y; 174cm ± 9cm; 71kg ± 12kg). All participants underwent a conventional clinical gait analysis using a marker based 3D motion capture system and force platforms. Kinematics and kinetics were determined utilizing standard modelling methods. All subjects underwent a strength test, using a custom-made device to determine isometric moments of the hip joint in abduction, adduction, extension, and flexion. Peak values for maximum isometric moments for each movement direction and selected kinematic and kinetic values were derived from the results. Differences between subjects with TFA and unimpaired were compared using a Mann-Whitney U Test and associations between groups by Spearman's rank correlation.ResultsThe participants with a TFA showed a significantly lower maximum isometric moment for hip abduction (0.85 vs. 1.41 Nm/kg p < .001), adduction (0.87 vs. 1.37 Nm/kg p = .001) and flexion (0.93 vs. 1.63 Nm/kg p = .010) compared to the reference group. Typically reported gait deviations in people with a TFA were identified, i.e. significant lower cadence and increased step width. We further identified altered coronal plane hip and trunk kinematics, with significantly higher ranges of motion during involved side stance-phase. Gait kinetics of individuals with a TFA showed significantly lower peak values during stance for hip abduction, adduction and extension moments in comparison to the reference group. We identified a moderate negative correlation between maximum isometric moment for hip abduction and trunk obliquity range of motion (ρ = -0.45) for participants with a TFA, which was not significant (p = 0.14).ConclusionWe showed that there are strength deficits in individuals with TFA and, that there are moderate correlations between gait deviations, i.e. lateral trunk lean during involved side stance and isometric hip abductor moment. The relation between maximum moments during gait and the corresponding maximum isometric moment may therefore be helpful to detect strength related compensation mechanisms. However, the moderate, non-significant correlation between lateral trunk lean and isometric hip abductor moment was the only one which corresponded directly to a gait deviation. Thus results must be interpreted with care. This study suggests that gait deviations in individuals with TFA are multifactorial and cannot be exclusively explained by their strength deficits. Future studies should explore the relationship between strength with kinematics and kinetics during gait in this population.

Dataset Information

Effect of Multicomponent Home-Based Training on Gait and Muscle Strength in Older Adults After Hip Fracture Surgery: A Single Site Randomized Trial.

Objective

Design

Setting

Participants

Intervention

Main outcome measures

Results

Conclusion

Publications

Effect of Multicomponent Home-Based Training on Gait and Muscle Strength in Older Adults After Hip Fracture Surgery: A Single Site Randomized Trial.

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