scholarly journals Influence of Lower-extremity Muscle Force, Muscle Mass and Asymmetry in Knee Extension Force on Gait Ability in Community-dwelling Elderly Women

2006 ◽  
Vol 18 (1) ◽  
pp. 73-79 ◽  
Author(s):  
Hayato Nakao ◽  
Takahiro Yoshikawa ◽  
Tatsuya Mimura ◽  
Taketaka Hara ◽  
Katsuo Nishimoto ◽  
...  
Keyword(s):  
Lower Extremity ◽  
Muscle Mass ◽  
Muscle Force ◽  
Elderly Women ◽  
Knee Extension ◽  
Community Dwelling ◽  
Lower Extremity Muscle ◽  
Extension Force

Discharge Function and Length of Stay for Patients with Stroke are Predicted by Lower Extremity Muscle Force on Admission to Rehabilitation

2001 ◽  
Vol 15 (2) ◽  
pp. 93-97 ◽  
Author(s):  
A. Williams Andrews ◽  
Richard W. Bohannon
Keyword(s):  
Length Of Stay ◽  
Lower Extremity ◽  
Muscle Force ◽  
Inpatient Rehabilitation ◽  
Knee Extension ◽  
Total Force ◽  
Lower Extremity Muscle ◽  
Extension Force ◽  
Hip Flexion ◽  
And Function

Objective: We sought to determine the relative value of lower extremity muscle strength as a predictor of discharge function and length of stay of patients with stroke. Methods: We studied 72 patients undergoing inpatient rehabilitation after a stroke and documented their outcome using length of stay and function [as measured by the Func tional Independence Measure (FIM) at discharge]. Results: Knee-extension force and the total force of four lower extremity muscle actions (hip flexion, knee extension, knee flexion, and ankle dorsiflexion) were correlated significantly with discharge FIM and length of stay. The correlations involving the actions of the weaker side were higher. Admission FIM was also correlated significantly with discharge FIM and length of stay. Previous stroke and age were correlated significantly with discharge FIM but not length of stay. The set of variables offering the best explanation of discharge FIM (R = 0.867) was admission FIM, admission FIM squared, age, and total force of the weaker side. The set of variables offering the best explanation of length of stay (R = 0.812) was knee- extension force of the weaker side squared, admission FIM, admission FIM squared, and age. Conclusions: Lower extremity muscle force of the weaker side on admission has value as a predictor of function at discharge and length of stay for patients with stroke admitted to inpatient rehabilitation. Muscle force, therefore, is a reasonable target of measurement and treatment. Knowledge of muscle force on admission can assist clini cians, patients, families, and others to anticipate patient outcomes after rehabilitation.

scholarly journals Lower Extremity Muscle Strength and Risk of Self-Reported Hip or Knee Osteoarthritis

2004 ◽  
Vol 1 (4) ◽  
pp. 321-330 ◽  
Author(s):  
Jennifer M. Hootman ◽  
Shannon FitzGerald ◽  
Carol A. Macera ◽  
Steven N. Blair
Keyword(s):  
Lower Extremity ◽  
Knee Osteoarthritis ◽  
Knee Extension ◽  
Quadriceps Strength ◽  
Community Dwelling ◽  
Leg Press ◽  
Knee Oa ◽  
Lower Extremity Muscle ◽  
Longitudinal Association

Purpose:The purpose of this study was to investigate the gender-specific longitudinal association between quadriceps strength and self-reported, physician-diagnosed hip or knee osteoarthritis (OA).Methods:Subjects were 3081 community-dwelling adults who were free of OA, joint symptoms and injuries, completed a maximum treadmill exercise test, had isokinetic knee extension and flexion and isotonic leg press strength measurements taken at baseline and returned at least one written follow-up survey. Multivariate logistic regression was used to estimate odds ratios and 95% confidence intervals.Results:Women with moderate or high isokinetic quadriceps strength had a significantly reduced risk (55% to 64%) of hip or knee OA. A similar, nonsignificant trend was noted among men. Moderate isotonic leg press strength was protective for hip or knee osteoarthritis among men only.Conclusions:These results suggest that quadriceps weakness is an independent and modifiable risk factor for lower extremity OA, particularly among women.

scholarly journals Lower-Extremity Muscle Force and Balance Performance in Adults Aged 65 Years and Older

1999 ◽  
Vol 79 (12) ◽  
pp. 1177-1185 ◽  
Author(s):  
Marguerite Elizabeth Daubney ◽  
Elsie G Culham
Keyword(s):  
Lower Extremity ◽  
Postural Control ◽  
Muscle Force ◽  
Community Dwelling ◽  
Plantar Flexor ◽  
Balance Performance ◽  
Postural Control System ◽  
Functional Balance ◽  
Lower Extremity Muscle ◽  
Functional Reach Test

Abstract Background and Purpose.Measures of postural control may be useful for determining fall risk in older people and for determining the outcomes of treatments aimed at improving balance. Commonly used tools measure the output of the postural control system. The purpose of this study was to determine the degree to which one component of postural control (muscle force) contributes to scores on 3 functional balance measures. Subjects. Fifty community-dwelling volunteers between 65 and 91 years of age (X̄=74.82, SD=6.11) participated. Based on their histories, 11 subjects were classified as being at risk for falling. Methods. Measures were the Berg Balance Scale (BBS), the Functional Reach Test (FRT), and the Timed Get Up & Go Test (GUG). The force generated by 12 lower-extremity muscle groups was measured using a handheld dynamometer. Results. In the group reporting no falls, dorsiflexor and subtalar evertor force accounted for 58% of the score on the BBS, ankle plantar-flexor and subtalar invertor force accounted for 48.4% of the score on the GUG, and ankle plantar-flexor force accounted for 13% of the score on the FRT. Ankle dorsiflexor and hip extensor forces were lower in subjects reporting falls, and force of the ankle dorsiflexors predicted fall status. Conclusion and Discussion. Distal muscle force measures may be able to contribute to the prediction of functional balance scores; however, the muscles involved in the prediction differ depending on the measure of balance.

scholarly journals Physical Characteristics Vary According to Body Mass Index in Japanese Community-Dwelling Elderly Women

Geriatrics ◽  
2018 ◽  
Vol 3 (4) ◽  
pp. 87 ◽  
Author(s):  
Koji Nonaka ◽  
Shin Murata ◽  
Kayoko Shiraiwa ◽  
Teppei Abiko ◽  
Hideki Nakano ◽  
...  
Keyword(s):  
Body Mass Index ◽  
Walking Speed ◽  
Elderly Women ◽  
Knee Extension ◽  
Normal Weight ◽  
Physical Characteristics ◽  
Community Dwelling ◽  
Weight Group ◽  
Normal Weight Group ◽  
Knee Extension Strength

Background: Body mass index (BMI) is related to health in the elderly. The purpose of this study was to investigate the physical characteristics in underweight, overweight, and obese Japanese community-dwelling elderly women compared to normal-weight elderly women. Methods: The study participants included 212 community-dwelling elderly women. They were categorized as underweight (BMI < 18.5), normal weight (18.5 ≤ BMI ≤ 22.9), overweight (23 ≤ BMI ≤ 24.9), and obese (BMI ≥ 25). Data on skeletal muscle mass index (SMI), number of trunk curl-ups performed within 30 seconds, knee extension strength, one-leg standing time, and walking speed were recorded. Results: In the underweight group, the number of trunk curl-ups was significantly lower than that of the normal-weight group (p = 0.011) and the correlation between knee extension strength and walking speed was relatively higher than in the normal-weight group (r = 0.612 vs. r = 0.471). In the overweight group, the SMI was significantly increased (p < 0.001), but knee extension strength was not increased (p = 0.235) compared to that of the normal-weight group. In the obese group, one-leg standing time was significantly shorter than in the normal-weight group (p = 0.016). Conclusions: Physical characteristics vary according to BMI and these findings are useful in assessing and planning interventional programs to improve and maintain physical function in elderly women.

scholarly journals Long-term participation in community group exercise improves lower extremity muscle strength and delays age-related declines in walking speed and physical function in older adults

2021 ◽  
Vol 18 (1) ◽  
Author(s):  
Chisato Hayashi ◽  
Soshiro Ogata ◽  
Tadashi Okano ◽  
Hiromitsu Toyoda ◽  
Sonoe Mashino
Keyword(s):  
Older Adults ◽  
Muscle Strength ◽  
Physical Exercise ◽  
Lower Extremity ◽  
Physical Function ◽  
Community Dwelling ◽  
Group Exercise ◽  
Community Based ◽  
Lower Extremity Muscle

Abstract Background The effects of group exercise on the physical function of community-dwelling older adults remain unclear. The changes in lower extremity muscle strength, timed up and go (TUG) time, and the motor fitness scale (MFS), over time, among older adults who expressed a willingness to participate in community-based physical exercise groups, were determined using multilevel modelling. Methods We analyzed data of 2407 older adults between April 2010 and December 2019 from the registry of physical tests of community-based physical exercise groups. We conducted a retrospective cohort study to assess the effect of physical exercise on lower extremity muscle strength, TUG time, and MFS scores. The durations of the exercises were evaluated by frequency of physical test’s participate. Results A deterioration in lower extremity muscle strength was found in the short-term participant group only. However, in the mid-term and long-term participation groups, lower extremity muscle strength showed a trend of improvement. The TUG time and the MFS score were negatively correlated with increasing age in both groups divided by the duration of participation. However, there was a slower rate of deterioration in the long-term participation group. Discussion Lower extremity muscle strength, TUG time, and MFS scores decline with increasing age and there were differences in the slope of deterioration that depended on the duration of participation in community-based group exercise. Conclusion Participation in group exercise improved lower extremity muscle strength, TUG time, and MFS scores of older adults living in a community. The positive effects of group exercise were dependent on long-term participation.

Estimation of Human Lower-Extremity Muscle Force Under Uncertainty While Rising from a Chair

2014 ◽  
Vol 38 (10) ◽  
pp. 1147-1155
Author(s):  
Young Nam Jo ◽  
Moon Jeong Kang ◽  
Je Wook Chae ◽  
Hong Hee Yoo
Keyword(s):  
Lower Extremity ◽  
Muscle Force ◽  
Lower Extremity Muscle
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