Search results for "Negative work"

showing 5 items of 5 documents

Stability of pedalling mechanics during a prolonged cycling exercise performed at different cadences.

2005

The aim of this study was to analyse the effect of pedalling rate on the pattern of mechanical torque application and on neuromuscular fatigue during prolonged cycling exercise. Eleven well-trained individuals performed three 1-h pedalling sessions, at 50 rev.min-1, 110 rev.min-1 and a freely chosen cadence, at an intensity corresponding to 65% of their maximal aerobic power. The mechanical torque applied on the right pedal was recorded for 30 s every 5 min while pedalling. Contractile and neural properties of the quadriceps and hamstring muscles were analysed before and immediately after each of the three pedalling sessions. The post-exercise reduction in knee extensors maximal voluntary c…

MaleHamstring muscles[SDV.MHEP.PHY] Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO]MESH: Muscle ContractionMuscle RelaxationMESH : Analysis of VarianceElectromyographyCohort Studies0302 clinical medicineVoluntary contractionMESH: Risk FactorsRisk FactorsOrthopedics and Sports MedicineMESH: Oxygen ConsumptionMESH : Oxygen ConsumptionMESH: Cohort StudiesKnee extensorsmedicine.diagnostic_test[ SDV.MHEP.PHY ] Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO]BiomechanicsMESH: Comparative StudyMESH : AdultMESH : Risk FactorsMESH: Muscle FatigueMuscle FatigueMESH : ElectromyographyCyclingCadenceMESH: Physical EnduranceMESH : Physical EnduranceMuscle ContractionAdultmedicine.medical_specialtyMESH: ProbabilityMESH : ProbabilityMESH : MalePhysical ExertionMESH : ExertionMESH : Cohort StudiesPhysical Therapy Sports Therapy and RehabilitationSensitivity and SpecificityMESH : Muscle RelaxationMESH: BicyclingMESH: Electromyography03 medical and health sciencesPhysical medicine and rehabilitationOxygen ConsumptionMESH: Analysis of VariancemedicineMESH: Exertion[SDV.MHEP.PHY]Life Sciences [q-bio]/Human health and pathology/Tissues and Organs [q-bio.TO]HumansProbabilityAnalysis of VarianceMESH : SMESH: Humansbusiness.industryElectromyographyMESH : HumansMESH : Comparative StudyMESH: Adult030229 sport sciencesNegative workMESH : Muscle FatigueMESH: MaleBicyclingbody regionsMESH : Exercise TestTorqueMESH : BicyclingMESH: SMESH: Muscle RelaxationPhysical therapyExercise TestPhysical EnduranceMESH : Muscle ContractionbusinessMESH: Exercise Testhuman activities030217 neurology & neurosurgeryJournal of sports sciences
researchProduct

Job insecurity and well-being: A longitudinal study among male and female employees in finland

1999

Abstract Job insecurity has grown dramatically in Finland, as elsewhere. This study examined the relationships between a specific job stressor, i.e. job insecurity, and occupational, overall and family well-being, by utilizing one-year follow-up data collected among male and female employees in Finland. Occupational well-being was assessed via job exhaustion, overall well-being via somatic symptoms, and family well-being via work spillover into parenthood. The study was carried out by means of questionnaires, which were completed twice, in 1995 and in 1996 by employees in four organizations. This article is based on the data of those respondents (n = 219)j who participated in the study in b…

Longitudinal studySociology and Political ScienceSpillover effectJob insecurityWork (electrical)StressorWell-beingGeneral Social SciencesDemographic economicsNegative workDevelopmentPsychologySocial psychologyCommunity, Work & Family
researchProduct

Positive and negative work reflection, engagement and exhaustion in dual-earner couples: Exploring living with children and work-linkage as moderators

2020

Many employees think about their work during off-job time. Scholars have suggested that whether work-related thoughts during off-job time have detrimental or beneficial effects on employees’ well-being and performance depends on the nature of these thoughts. In this study with dual-earner couples we examined whether employees’ positive and negative work reflection during off-job time are associated with their own and with their partners’ work engagement and exhaustion. Furthermore, we investigated whether (a) living with children and (b) being work-linked (i.e. working in the same organisation and/or working in the same profession) moderated these relations. Both partners of 130 German het…

Organizational Behavior and Human Resource ManagementWork engagement05 social sciences050109 social psychologyNegative workLinkage (mechanical)Dual (category theory)law.inventionWork (electrical)law0502 economics and business0501 psychology and cognitive sciencesPsychologyBeneficial effectsSocial psychology050203 business & managementGerman Journal of Human Resource Management: Zeitschrift für Personalforschung
researchProduct

The mechanical efficiency of locomotion in men and women with special emphasis on stretch-shortening cycle exercises.

1986

The mechanical efficiency of the leg extensor musculature of men and women was examined with a special "sledge ergometer". The subjects (ten males and ten females) performed pure positive work, pure negative work and a combination of negative and positive work (stretch-shortening cycle). The mechanical efficiency of pure positive work was on average 19.8 +/- 1.2% for female subjects and 17.4 +/- 1.2% for male subjects (t = 4.12, P less than 0.001), although the work intensity was equal in both groups. The mechanical efficiency of pure negative work was slightly lower in women than in men (59.3 +/- 14.4% vs 75.6 +/- 29.3%). The mechanical efficiency of positive work (eta +) in a stretch-shor…

AdultMalemedicine.medical_specialtySports medicinePhysiologyPhysical ExertionEfficiencyStretch shortening cyclePhysiology (medical)Internal medicinemedicineWork IntensityHumansOrthopedics and Sports MedicineCycle exerciseSex Characteristicsbusiness.industryMusclesPublic Health Environmental and Occupational HealthGeneral MedicineNegative workHuman physiologyBiomechanical PhenomenaCardiologyPhysical therapyFemalebusinessLocomotionEuropean journal of applied physiology and occupational physiology
researchProduct

Negative work reflection, personal resources, and work engagement: the moderating role of perceived organizational support

2018

This day-level study examined the role of perceived organizational support (POS) in the context of employees’ negative work reflection during off-job time. We hypothesized that negative work reflec...

Organizational Behavior and Human Resource ManagementWork engagement05 social sciences050109 social psychologyContext (language use)Negative work0502 economics and business0501 psychology and cognitive sciencesReflection (computer graphics)PsychologySocial psychologyPerceived organizational support050203 business & managementApplied PsychologyEuropean Journal of Work and Organizational Psychology
researchProduct