Search results for "strength"
showing 10 items of 2415 documents
Community-based oral health promotion practices targeted at children and adolescents in Finland--developing an assessment tool.
2013
Objectives To develop an assessment tool for evaluating oral health promotion practices and to evaluate community-based oral health promotion practices targeted at children and adolescents with this tool. Methods A theoretical framework about health promotion planning, implementation and evaluation was made on the basis of a literature review. Then, information about Finnish community-based oral health promotion practices (n = 12) targeted at children and adolescents was collected using semi-structured interviews. Also, related documents, for example action plans and reports, were collected when available. Next, an assessment tool based on the theoretical framework was developed, and the re…
Influence of different attentional focus on EMG amplitude and contraction duration during the bench press at different speeds
2018
The purpose of this study was to investigate whether using different focus affects electromyographic (EMG) amplitude and contraction duration during bench press performed at explosive and controlled speeds. Eighteen young male individuals were familiarized with the procedure and performed the one-maximum repetition (1RM) test in the first session. In the second session, participants performed the bench press exercise at 50% of the 1RM with 3 different attentional focuses (regular focus on moving the load vs contracting the pectoralis vs contracting the triceps) at 2 speed conditions (controlled vs maximal speed). During the controlled speed condition, focusing on using either the pectoralis…
Handgrip strength and its prognostic value for mortality in Moscow, Denmark, and England.
2017
BACKGROUND: This study compares handgrip strength and its association with mortality across studies conducted in Moscow, Denmark, and England.MATERIALS: The data collected by the Study of Stress, Aging, and Health in Russia, the Study of Middle-Aged Danish Twins and the Longitudinal Study of Aging Danish Twins, and the English Longitudinal Study of Ageing was utilized.RESULTS: Among the male participants, the age-standardized grip strength was 2 kg and 1 kg lower in Russia than in Denmark and in England, respectively. The age-standardized grip strength among the female participants was 1.9 kg and 1.6 kg lower in Russia than in Denmark and in England, respectively. In Moscow, a one-kilogram …
Musculoskeletal fitness and balance in older individuals (65–85 years) and its association with steps per day: a cross sectional study
2015
Background There is limited normative, objective data combining musculoskeletal fitness (MSF), balance and physical activity (PA) among older adults. The aims were therefore to; 1) describe MSF and balance in older Norwegian adults focusing on age- and sex-related differences; 2) investigate the associations among MSF, balance and objectively-assessed PA levels. Methods This was part of a national multicenter study. Participants (65–85 years) were randomly selected from the national population registry. We used ActiGraph GT1M accelerometers to measure PA. Balance and MSF were assessed using: one leg standing (OLS), handgrip strength (HG), static back extension (SBE), sit and reach (SR), bac…
Rate of power development of the knee extensors across the adult life span: A cross-sectional study in 1387 Flemish Caucasians.
2018
A growing body of research in elderly populations suggests that the early phase of an explosive muscle contraction (i.e., ≤200 ms) may be more functionally relevant than peak values. However, age-related variation in early phase explosive strength has never been investigated across the full-adult life span. This cross-sectional study investigated the age-related changes in the rate of power development (RPD) and compared it to the changes in peak power (Ppeak), both in terms of magnitude and onset, across the adult life span. Age-related declines in power and determinants of muscle power were compared between sexes. 1387 adults (♂813, ♀574), aged 18-78 years, performed three maximal isoiner…
Longitudinal association of handgrip strength with all-cause and cardiovascular mortality in older adults using a causal framework.
2022
To date, there is no study addressing the time-varying confounding bias in the association of handgrip strength (HGS) with all-cause or cardiovascular mortality. Therefore, we conducted marginal structural models (MSM) to provide causal estimations on the associations of HGS with all-cause and cardiovascular mortality in a representative sample of adults aged 50 years or older. Data from 29 countries including 121,116 participants (276,994 observations; mean age 63.7 years; 56.3 % women) free from prior heart attack or stroke were retrieved from consecutive waves of the Survey of Health, Ageing and Retirement in Europe (SHARE). During a median of 7.7 years follow-up (interquartile range 3.8…
Associations of handgrip strength with all-cause and cancer mortality in older adults: a prospective cohort study in 28 countries.
2022
Abstract Background mixed evidence exists on the association between muscle strength and mortality in older adults, in particular for cancer mortality. Aim to examine the dose–response association of objectively handgrip strength with all-cause and cancer mortality. Study Design and Setting data from consecutive waves from the Survey of Health, Ageing and Retirement in Europe comprising 27 European countries and Israel were retrieved. Overall, 54,807 men (45.2%; 128,753 observations) and 66,576 women (54.8%; 159,591 observations) aged 64.0 (SD 9.6) and 63.9 (SD 10.2) years, respectively, were included. Cox regression and Fine-Grey sub-distribution method were conducted. Results during the f…
Magnesium and muscle performance in older persons: the InCHIANTI study.
2006
Background: The role of magnesium in maintaining muscle integrity and function in older adults is largely unknown. Objective: We aimed to investigate the relation between serum magnesium concentrations and muscle performance in older subjects. Design: Data are from the baseline examination conducted between September 1998 and March 2000 of the InCHIANTI (aging in the Chianti area) study, a prospective epidemiologic survey of risk factors for late-life disability. From among 1453 randomly selected community residents completing a home interview, 1138men(46%) and women (aged 66.7 15.2 y; x SD) with complete data on muscle performance and serum magnesium who were not severely cognitively compr…
Lower limb muscle moments and power during recovery from forward loss of balance in male and female single and multiple steppers
2011
Abstract Background Studying recovery responses to loss of balance may help to explain why older adults are susceptible to falls. The purpose of the present study was to assess whether male and female older adults, that use a single or multiple step recovery strategy, differ in the proportion of lower limb strength used and power produced during the stepping phase of balance recovery. Methods Eighty-four community-dwelling older adults (47 men, 37 women) participated in the study. Isometric strength of the ankle, knee and hip joint flexors and extensors was assessed using a dynamometer. Loss of balance was induced by releasing participants from a static forward lean (4 trials at each of 3 f…
Plantarflexor Muscle-Tendon Properties are Associated With Mobility in Healthy Older Adults
2015
BACKGROUND: Muscle mass, strength, and power are known determinants of mobility in older adults but there is limited knowledge on the influence of muscle architecture or tendon properties on mobility. The purpose of this study was to examine the relationship between mobility and plantarflexor muscle-tendon properties in healthy older adults.METHODS: A total of 52 subjects (age 70-81 years) were measured for 6-minute walk test (6MWT), timed "up and go"-test (TUG), isometric plantarflexion strength, Achilles tendon stiffness, triceps surae muscle architecture, lower extremity lean mass, isometric leg extension strength, and leg extension power. Partial correlations and multivariate regression…