Strength and torque consistency of the hip and knee flexors and extensors: A comparative study of elderly and young individuals

Borges, Viviane Santos; Domingues, João Marcos; Dias, Rosângela Corrêa; Garcia, Patrícia Azevedo; Dvir, Zeevi

doi:10.3233/ies-140563

Cited by 5 publications

(1 citation statement)

References 22 publications

(31 reference statements)

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“…These authors found that AAR was not different between groups for the 60°/s velocity, corroborating the results found in the present study. On the other hand, Borges et al (2015) 24 demonstrate higher peak torque values for hip and knee joints at 60, 120 and 180°/s angular velocities for adults compared to older adults that supports the idea of the effects of aging on torque production and movement velocity. Although the importance of resistance exercices for older adults is well elucidated in the literature, there is a divergence regarding the issue of execution of training to improve the maximum force (peak torque) and those that aim to improve the muscular power.…”

Section: Discussionmentioning

confidence: 78%

Agonist/Antagonist Ratio for ankle joint is similar between active and inactive older adults compared to hip and knee joints

Garcia¹,

Vieira

Seibel

et al. 2020

BJMB

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Background: Previous studies performed analysis of the agonist/antagonist ratio (AAR) largely in atlhlete population. However, no study has observed the effects of physical activity on the AAR in different movement velocities on the elderly people. Aim: This study aimed to analyze the AAR of the lower limbs in elderly participants of the Exercise Guidance Service (SOE) and compare them with sedentary eldery, using a group of young adults as a control group. Method: 86 individuals divided into three groups: young adult (n=25); sedentary (n=30); active (n=31). Collection of the AAR was made through the isokinetic dynamometer at velocities of 60 and 120°/s. Results: The results indicated a difference in the velocity of 60°/s for the hip and in the velocity of 120°/s for the knee. In addition, there was a difference between the elderly (active and sedentary) and the adults at ankle. Conclusion: Although the sedentary elderly presented higher mean values compared to active group, there was no significant difference for AAR of the lower between these groups.

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Section: Discussionmentioning

confidence: 78%

Agonist/Antagonist Ratio for ankle joint is similar between active and inactive older adults compared to hip and knee joints

Garcia¹,

Vieira

Seibel

et al. 2020

BJMB

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Knee flexor and extensor torque ratio in elderly men and women with and without obesity: a cross-sectional study

et al. 2021

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Exploring age-related changes in motor function: insights from the peak decline found in Koji Awareness screening test

Murofushi,

Katagiri,

Mitomo

et al. 2024

Sci Rep

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The KOJI AWARENESS (KA) screening test assesses motor function in humans. We aimed to analyze the correlation between age and KA screening scores and to identify the specific age at which a significant decline occurs. A total of 793 healthy participants (234 females) were interviewed for basic information on age and sex and completed the KA screening test. In addition to calculating the total score from the KA test, the scores were calculated for the neck-scapula-upper extremity-complex (NSU), trunk, and lower extremity (LE) segments. Spearman’s rank correlation coefficient was used to assess the validity of the test. Additionally, Bayesian linear regression was employed to estimate the change point in KA scores, facilitating the identification of a critical age associated with a notable decline in motor function. KA screening total and separate body segment scores were negatively correlated with age in both gender (for female and male, KA total score, ρ = − 0.443, ρ = − 0.344; NSU segment, ρ = − 0.431, ρ = − 0.427; trunk segment, ρ = − 0.210, ρ = − 0.473; LE segment: ρ = − 0.43, ρ = − 0.507). Furthermore, a change-point analysis using linear regression analysis showed that KA screening total scores declined sharply at the age of 49.1(95% credible interval: 37.503, 68.366). The result show that total KA scores decrease − 0.196 (95% credible interval: − 0.335, − 0.049) for every 1 year of age increase, and for ages over 49.1, total KA scores additionally decrease − 0.255 (95% credible interval: − 0.485, − 0.054) for every 1 year of age increase. In the NSU segment, females showed a more rapid decline than males from the age of 50 years. KA screening test total scores declined sharply at the age of 49.1. These results may be useful in setting treatment goals, exercise, and lifestyle programs for age-related decline in motor function.

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Strength and torque consistency of the hip and knee flexors and extensors: A comparative study of elderly and young individuals

Cited by 5 publications

References 22 publications

Agonist/Antagonist Ratio for ankle joint is similar between active and inactive older adults compared to hip and knee joints

Agonist/Antagonist Ratio for ankle joint is similar between active and inactive older adults compared to hip and knee joints

Knee flexor and extensor torque ratio in elderly men and women with and without obesity: a cross-sectional study

Exploring age-related changes in motor function: insights from the peak decline found in Koji Awareness screening test

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