Strength or power, which is more important to prevent slip-related falls?

Han, Longzhu; Yang, Feng

doi:10.1016/j.humov.2015.09.001

Cited by 55 publications

(34 citation statements)

References 40 publications

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“…Advanced age is associated with reduced muscle strength, power, balance, and functional performance,1 leading to reduced quality of life, increased risk of cardiovascular disease, all-cause mortality,2 poor daily activities performance,3–5 and increased risk of falling,6,7 which can increase the risk of fractures 8. High-speed resistance training (HSRT) has emerged as a key intervention strategy to counteract these problems 9–12.…”

Section: Introductionmentioning

confidence: 99%

Effects of different doses of high-speed resistance training on physical performance and quality of life in older women: a randomized controlled trial

Ramírez‐Campillo¹,

Díaz²,

Martínez‐Salazar³

et al. 2016

CIA

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ObjectiveThis study aimed to compare the effects of two frequencies of high-speed resistance training (HSRT) on physical performance and quality of life of older women.MethodsA total of 24 older women participated in a 12-week HSRT program composed of either two or three sessions/week (equated for volume and intensity). Women were randomized into three arms: a control group (CG, n=8), a resistance training group performing two sessions/week (RT2, n=8), and a resistance training group performing three sessions/week (RT3, n=8). The training program for both experimental groups included exercises that required high-speed concentric muscle actions.ResultsNo baseline differences were observed among groups. Compared with the CG, both training groups showed similar small to moderate improvements (P<0.05) in muscle strength, power, functional performance, balance, and quality of life.ConclusionThese results suggest that equated for volume and intensity, two and three training sessions/week of HSRT are equally effective for improving physical performance and quality of life of older women.

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Section: Introductionmentioning

confidence: 99%

Effects of different doses of high-speed resistance training on physical performance and quality of life in older women: a randomized controlled trial

Ramírez‐Campillo¹,

Díaz²,

Martínez‐Salazar³

et al. 2016

CIA

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“…Several techniques have been used to create real-life like slips in a laboratory environment, such as the contaminated surfaces [7][8][9], steel rollers [10], moved force plates [11], movable platforms [12,13], and treadmills [14,15]. Although the approaches of generating slips were various, the experimental protocols were similar among studies.…”

Section: Introductionmentioning

confidence: 99%

Adaptive gait responses to awareness of an impending slip during treadmill walking

2016

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“…It is conceivable that this limited effectiveness can be due to the lack of emphasis on rapid force production that is characteristic of power training and important for weight transfer during protective stepping (49). Moreover, muscle power has been shown to be better associated with functional independence and balance ability than muscle strength (17, 20, 37). …”

Section: Introductionmentioning

confidence: 99%

Low-dose hip abductor-adductor power training improves neuromechanical weight-transfer control during lateral balance recovery in older adults

Inácio¹,

Creath

Rogers

2018

Clinical Biomechanics

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Background Age-related neuromuscular changes in the hip abductor-adductor muscles lead to reduced performance, especially in the rate of force development and power production. These alterations may impair weight transfer control and lateral balance recovery through protective stepping. This study compared the effects of eight weeks of low-dose hip abductor-adductor power and strength training on the performance of isometric maximal voluntary contractions, and lateral balance recovery at different initial weight-bearing conditions in older individuals. Methods Eighteen healthy older adults (71.3 (0.9)yrs) underwent eight weeks of low-dose hip abductor-adductor exercise training involving either power training (n=10) or lower velocity strength training (n=8). Outcomes were assessed for hip abductor-adductor isometric maximal voluntary contractions and lateral waist-pull balance perturbations with three initial stepping limb-load conditions (50%, 65%, or 80% body mass). Findings Power training increased isometric maximal voluntary contractions abductor-adductor peak torque (14%–18%, p<0.05), rate of torque development (31%–39%, p<0.05) and rate of neuromuscular activation (37%–81%, p<0.05). During lateral balance recovery, power training increased the incidence of stabilizing single lateral steps at 80% body mass pre-load (by 43%, p<0.05), reduced step lift-off time by 27ms at 50% body mass (p<0.05) and decreased downward momentum of the body center of mass at 80% body mass (32%, p<0.05). Power training also increased in task hip abductor net joint torque (49%–61%, p<0.05), power (21%–54%, p<0.05), and abductor-adductor rate of neuromuscular activation (17%–62%, p<0.05). Interpretation Low-dose hip abductor-adductor power training was more effective than strength training at eliciting improvements in maximal neuromuscular performance and enhanced mediolateral balance recovery.

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Strength or power, which is more important to prevent slip-related falls?

Cited by 55 publications

References 40 publications

Effects of different doses of high-speed resistance training on physical performance and quality of life in older women: a randomized controlled trial

Effects of different doses of high-speed resistance training on physical performance and quality of life in older women: a randomized controlled trial

Adaptive gait responses to awareness of an impending slip during treadmill walking

Low-dose hip abductor-adductor power training improves neuromechanical weight-transfer control during lateral balance recovery in older adults

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