J. Klenk

C. Becker, J. Klenk, I. Cameron, 2013, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

Prospective study of the association of gamma‐glutamyltransferase with cancer incidence in women

J. Klenk, K. Pfeiffer, H. Concin, 2008, International journal of cancer.

Prevalence and determinants of chronic kidney disease in community-dwelling elderly by various estimating equations

J. Klenk, D. Rothenbacher, W. Koenig, 2012, BMC Public Health.

Weight change and cancer risk in a cohort of more than 65,000 adults in Austria.

J. Klenk, H. Concin, H. Ulmer, 2008, Annals of oncology : official journal of the European Society for Medical Oncology.

Association of lung function with overall mortality is independent of inflammatory, cardiac, and functional biomarkers in older adults: the ActiFE-study

J. Klenk, D. Rothenbacher, G. Weinmayr, 2020, Scientific Reports.

Excess mortality after pelvic fractures in institutionalized older people

C. Becker, J. Klenk, I. Cameron, 2010, Osteoporosis International.

Change in Height, Weight, and body mass index: Longitudinal data from Austria

J. Klenk, G. Nagel, H. Concin, 2014, American journal of human biology : the official journal of the Human Biology Council.

Reference Values and Early Determinants of Intra-Abdominal Fat Mass in Primary School Children

J. Klenk, J. Steinacker, S. Weiland, 2011, Hormone Research in Paediatrics.

Association of objectively measured physical activity with established and novel cardiovascular biomarkers in elderly subjects: every step counts

J. Klenk, D. Rothenbacher, W. Koenig, 2012, Journal of Epidemiology & Community Health.

Evaluating the effects of an exercise program (Staying UpRight) for older adults in long-term care on rates of falls: study protocol for a randomised controlled trial

Lynne M. Taylor, J. Klenk, N. Kerse, 2019, Trials.

Objectively measured physical activity and vitamin D status in older people from Germany

J. Klenk, G. Nagel, D. Rothenbacher, 2015, Journal of Epidemiology & Community Health.

Predictive Performance of a Fall Risk Assessment Tool for Community-Dwelling Older People (FRAT-up) in 4 European Cohorts

Lorenzo Chiari, Luigi Ferrucci, Pierpaolo Palumbo, 2016, Journal of the American Medical Directors Association.

Association of growth differentiation factor 15 with other key biomarkers, functional parameters and mortality in community-dwelling older adults.

J. Klenk, D. Rothenbacher, W. Koenig, 2019, Age and ageing.

Changes in Psychological Determinants of Behavior Change after Individual versus Group-Based Lifestyle-integrated Fall Prevention: Results from the LiFE-is-LiFE Trial

C. Becker, J. Klenk, L. Clemson, 2022, Gerontology.

Willingness to pay for a group and an individual version of the Lifestyle-integrated Functional Exercise program from a participant perspective

C. Becker, J. Klenk, M. Schwenk, 2022, BMC Public Health.

Methods to Characterize the Real-World Use of Rollators Using Inertial Sensors–A Feasibility Study

Jochen Klenk, James D. Amor, Laurence Kenney, 2019, IEEE Access.

Obesity and incidence of cancer: a large cohort study of over 145 000 adults in Austria

J. Klenk, S. Weiland, H. Concin, 2005, British Journal of Cancer.

A Wavelet-Based Approach to Fall Detection

Luca Palmerini, Jochen Klenk, Clemens Becker, 2015, Sensors.

Fractures after nursing home admission: incidence and potential consequences

C. Becker, J. Klenk, T. Nikolaus, 2009, Osteoporosis International.

Fasting blood glucose and cancer risk in a cohort of more than 140,000 adults in Austria

J. Klenk, S. Weiland, H. Concin, 2006, Diabetologia.

Influence of Having Breakfast on Cognitive Performance and Mood in 13- to 20-Year-Old High School Students: Results of a Crossover Trial

J. Klenk, Katrin Hille, Ulrike Weiland, 2008, Pediatrics.

Determinants of obesity in the Ulm Research on Metabolism, Exercise and Lifestyle in Children (URMEL-ICE)

J. Klenk, S. Weiland, G. Nagel, 2009, European Journal of Pediatrics.

Changes in life expectancy 1950–2010: contributions from age- and disease-specific mortality in selected countries

J. Klenk, G. Nagel, A. Jaensch, 2016, Population Health Metrics.

Body mass trajectories, diabetes mellitus, and mortality in a large cohort of Austrian adults

J. Klenk, G. Nagel, H. Concin, 2016, Medicine.

Increasing life expectancy in Germany: quantitative contributions from changes in age- and disease-specific mortality.

J. Klenk, S. Weiland, U. Keil, 2007, European journal of public health.

Social participation and heat-related behavior in older adults during heat waves and on other days

Jochen Klenk, Clemens Becker, Dawn A. Skelton, 2018, Zeitschrift für Gerontologie und Geriatrie.

Fall incidence in Germany: results of two population-based studies, and comparison of retrospective and prospective falls data collection methods

C. Becker, J. Klenk, C. Todd, 2014, BMC Geriatrics.

Serum uric acid and risk of cardiovascular mortality: a prospective long-term study of 83,683 Austrian men.

J. Klenk, K. Pfeiffer, H. Concin, 2008, Clinical chemistry.

Physical Activity and Sex Hormone-Binding Globulin in Older Adults.

J. Klenk, D. Rothenbacher, W. Koenig, 2019, Journal of aging and physical activity.

Effect of cold indoor environment on physical performance of older women living in the community.

C. Becker, J. Klenk, U. Lindemann, 2014, Age and ageing.

Prospective analysis of time out-of-home and objectively measured walking duration during a week in a large cohort of older adults

Jochen Klenk, Kilian Rapp, J. Klenk, 2018, European Review of Aging and Physical Activity.

The SITLESS project: exercise referral schemes enhanced by self-management strategies to battle sedentary behaviour in older adults: study protocol for a randomised controlled trial

J. Klenk, D. Rothenbacher, M. Tully, 2017, Trials.

Syddansk Universitet The SITLESS project exercise referral schemes enhanced by self-management strategies to battle sedentary behaviour in older adults : study protocol for a randomised controlled trial

J. Klenk, D. Rothenbacher, M. Tully, 2017 .

Differences in health behavior, physical fitness, and cardiovascular risk in early, average, and late mature children.

J. Klenk, J. Steinacker, M. Wabitsch, 2013, Pediatric exercise science.

Objectively Measured Walking Duration and Sedentary Behaviour and Four-Year Mortality in Older People

J. Klenk, D. Rothenbacher, W. Koenig, 2016, PloS one.

Changes of Body Mass Index in Relation to Mortality: Results of a Cohort of 42,099 Adults

J. Klenk, G. Nagel, H. Concin, 2014, PloS one.

Organized Sports, Overweight, and Physical Fitness in Primary School Children in Germany

J. Klenk, J. Steinacker, M. Wabitsch, 2013, Journal of obesity.

Body mass index and mortality: results of a cohort of 184,697 adults in Austria

J. Klenk, G. Nagel, H. Concin, 2009, European Journal of Epidemiology.

Overweight Prevention Implemented by Primary School Teachers: A Randomised Controlled Trial

J. Klenk, J. Steinacker, M. Wabitsch, 2012, Obesity Facts.

Evaluation of left and right ventricular systolic and diastolic electromechanical synchrony in older people: a population-based observational study.

J. Klenk, D. Rothenbacher, W. Koenig, 2017, Physiological research.

Echocardiographic B-mode evaluation of the right heart in older people: The ActiFE Study.

J. Klenk, D. Rothenbacher, W. Koenig, 2016, Archives of gerontology and geriatrics.

Assessment of fatigability of older women during sit-to-stand performance

Jochen Klenk, Clemens Becker, Ulrich Lindemann, 2016, Aging Clinical and Experimental Research.

A prospective assessment of cardiac biomarkers for hemodynamic stress and necrosis and the risk of falls among older people: the ActiFE study

J. Klenk, D. Rothenbacher, W. Koenig, 2016, European Journal of Epidemiology.

Frailty index and sex-specific six-year mortality in community dwelling older people - the ActiFE Study.

J. Klenk, G. Nagel, D. Rothenbacher, 2019, The journals of gerontology. Series A, Biological sciences and medical sciences.

Accuracy of ECG indices for diagnosis of left ventricular hypertrophy in people >65 years: results from the ActiFE study

J. Klenk, D. Rothenbacher, W. Koenig, 2017, Aging Clinical and Experimental Research.

Lifestyle-integrated functional exercise to prevent falls and promote physical activity: Results from the LiFE-is-LiFE randomized non-inferiority trial

C. Becker, J. Klenk, H. König, 2021, International Journal of Behavioral Nutrition and Physical Activity.

Hip Fractures in Institutionalized Elderly People: Incidence Rates and Excess Mortality

C. Becker, J. Klenk, S. Lamb, 2008, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

Health and Subjective Views on Aging: Longitudinal Findings From the ActiFE Ulm Study

J. Klenk, D. Rothenbacher, H. Wahl, 2021, The journals of gerontology. Series B, Psychological sciences and social sciences.

Reduction of Femoral Fractures in Long-Term Care Facilities: The Bavarian Fracture Prevention Study

Jochen Klenk, Clemens Becker, Ian D. Cameron, 2011, PloS one.

The value of walking: a systematic review on mobility and healthcare costs

C. Becker, J. Klenk, L. Rochester, 2022, European Review of Aging and Physical Activity.

Mobility endpoints in marketing authorisation of drugs: what gets the European medicines agency moving?

C. Becker, J. Klenk, L. Leocani, 2022, Age and ageing.

Development of a standard fall data format for signals from body-worn sensors

K. Aminian, C. Becker, L. Schwickert, 2013, Zeitschrift für Gerontologie und Geriatrie.

The FARSEEING real-world fall repository: a large-scale collaborative database to collect and share sensor signals from real-world falls

Klaus Hauer, Wiebren Zijlstra, Luca Palmerini, 2016, European Review of Aging and Physical Activity.

The association between the home environment and physical activity in community-dwelling older adults

C. Becker, J. Klenk, U. Lindemann, 2014, Aging Clinical and Experimental Research.

Mediating factors on the association between fear of falling and health-related quality of life in community-dwelling German older people: a cross-sectional study

C. Becker, J. Klenk, H. König, 2020, BMC Geriatrics.

Declining prevalence rates for overweight and obesity in German children starting school

J. Klenk, T. Reinehr, M. Wabitsch, 2012, European Journal of Pediatrics.

Osteoporotic hip fracture prediction from risk factors available in administrative claims data – A machine learning approach

Jochen Klenk, Clemens Becker, Alexander Engels, 2020, PloS one.

Consequences of Choosing Different Settings When Processing Hip-Based Accelerometry Data From Older Adults: A Practical Approach Using Baseline Data From the SITLESS Study

J. Klenk, M. Tully, M. Giné-Garriga, 2020, Journal for the Measurement of Physical Behaviour.

Association between everyday walking activity, objective and perceived risk of falling in older adults

C. Becker, J. Klenk, C. Todd, 2021, Age and ageing.

Effect of a Brief Heat Exposure on Blood Pressure and Physical Performance of Older Women Living in the Community—A Pilot-Study

C. Becker, J. Klenk, U. Lindemann, 2014, International journal of environmental research and public health.

Enlarged substantia nigra hyperechogenicity and risk for Parkinson disease: a 37-month 3-center study of 1847 older persons.

Jochen Klenk, Klaus Fassbender, Stefanie Behnke, 2011, Archives of neurology.

Concurrent Validity of activPAL and activPAL3 Accelerometers in Older Adults.

J. Klenk, D. Rothenbacher, U. Lindemann, 2016, Journal of aging and physical activity.

Expression and Activity of the Small RhoGTPase Cdc42 in Blood Cells of Older Adults Are Associated With Age and Cardiovascular Disease

J. Klenk, D. Rothenbacher, M. Denkinger, 2017, The journals of gerontology. Series A, Biological sciences and medical sciences.

Fall detection algorithms for real-world falls harvested from lumbar sensors in the elderly population: A machine learning approach

Lorenzo Chiari, Kamiar Aminian, Alan Bourke, 2016, 2016 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC).

Change of Objectively-Measured Physical Activity during Geriatric Rehabilitation

Lars Schwickert, Jochen Klenk, Clemens Becker, 2019, Sensors.

Effects of an intervention to reduce fear of falling and increase physical activity during hip and pelvic fracture rehabilitation.

C. Becker, J. Klenk, M. Hautzinger, 2020, Age and ageing.

Associations of sedentary behavior bouts with community‐dwelling older adults' physical function

J. Klenk, M. Tully, M. Giné-Garriga, 2020, Scandinavian journal of medicine & science in sports.

Change of physical activity parameters of hip and pelvic fracture patients during inpatient rehabilitation and after discharge: analysis of global and in-depth parameters

C. Becker, J. Klenk, U. Lindemann, 2021, European Review of Aging and Physical Activity.

The Role of Mobility Endpoints in Marketing Authorisation of Drugs: What Gets the EMA Moving?

C. Becker, J. Klenk, L. Leocani, 2021 .

Accelerometer-Based Fall Detection Using Machine Learning: Training and Testing on Real-World Falls

Luca Palmerini, Lorenzo Chiari, Jochen Klenk, 2020, Sensors.

Validation of accuracy of SVM-based fall detection system using real-world fall and non-fall datasets

Lorenzo Chiari, Greg Mori, Jochen Klenk, 2017, PloS one.

Risk for Femoral Fractures in Parkinson’s Disease Patients with and without Severe Functional Impairment

J. Klenk, A. Jaensch, H. König, 2014, PloS one.

Inertial Sensor Based Analysis of Lie-to-Stand Transfers in Younger and Older Adults

Wiebren Zijlstra, Alan Bourke, Jochen Klenk, 2016, Sensors.

Stability recovery performance in adults over a wide age range: A multicentre reliability analysis using different lean-and-release test protocols.

J. Klenk, A. Arampatzis, K. Karamanidis, 2021, Journal of biomechanics.

Exergames to Improve the Mobility of Long-Term Care Residents: A Cluster Randomized Controlled Trial.

Lynne M. Taylor, J. Klenk, N. Kerse, 2017, Games for health journal.

Effect of a Statewide Fall Prevention Program on Incidence of Femoral Fractures in Residents of Long‐Term Care Facilities

C. Becker, J. Klenk, U. Lindemann, 2010, Journal of the American Geriatrics Society.

Femoral fracture rates in people with and without disability.

Jochen Klenk, Clemens Becker, Kilian Rapp, 2012, Age and ageing.

Validation of an accelerometer for measurement of activity in frail older people.

Jochen Klenk, Nethra Ganesh Chigateri, Ngaire Kerse, 2018, Gait & posture.

Longitudinal Changes of Nerve Conduction Velocity, Distal Motor Latency, Compound Motor Action Potential Duration, and Skin Temperature During Prolonged Exposure to Cold in a Climate Chamber

C. Becker, J. Klenk, U. Lindemann, 2012, The International journal of neuroscience.

Template-Based Recognition of Human Locomotion in IMU Sensor Data Using Dynamic Time Warping

Sabato Mellone, Jochen Klenk, Clemens Becker, 2021, Sensors.

Complexity of Daily Physical Activity Is More Sensitive Than Conventional Metrics to Assess Functional Change in Younger Older Adults

Kamiar Aminian, Anisoara Paraschiv-Ionescu, Beatrix Vereijken, 2018, Sensors.

Effect of Indoor Temperature on Physical Performance in Older Adults during Days with Normal Temperature and Heat Waves

C. Becker, J. Klenk, U. Lindemann, 2017, International journal of environmental research and public health.

Proposal for a multiphase fall model based on real-world fall recordings with body-fixed sensors

K. Aminian, C. Becker, L. Schwickert, 2012, Zeitschrift für Gerontologie und Geriatrie.

Ambulatory Activity Components Deteriorate Differently across Neurodegenerative Diseases: A Cross-Sectional Sensor-Based Study

C. Becker, J. Klenk, M. Synofzik, 2016, Neurodegenerative Diseases.

Walking on common ground: a cross-disciplinary scoping review on the clinical utility of digital mobility outcomes

Brian Mac Namee, Roberta De Michele, Mohand Tahar Kechadi, 2021, npj Digital Medicine.

Cost-Effectiveness of a Group vs Individually Delivered Exercise Program in Community-Dwelling Persons Aged ≥70 Years.

C. Becker, J. Klenk, H. König, 2021, Journal of the American Medical Directors Association.

Fall Risk in Relation to Individual Physical Activity Exposure in Patients with Different Neurodegenerative Diseases: a Pilot Study

C. Becker, J. Klenk, M. Synofzik, 2019, Cerebellum.

University of Groningen Evaluation of Accelerometer-Based Fall Detection Algorithms on Real-World Falls

Jeffrey M. Hausdorff, F. Bagalà, C. Becker, 2019 .

Re-Enactment as a Method to Reproduce Real-World Fall Events Using Inertial Sensor Data: Development and Usability Study

Jochen Klenk, Lars Schwickert, Clemens Becker, 2020, Journal of medical Internet research.

Methods for the Real-World Evaluation of Fall Detection Technology: A Scoping Review

Jochen Klenk, Malcolm H. Granat, Sibylle B. Thies, 2018, Sensors.

Model development to study strategies of younger and older adults getting up from the floor

W Zijlstra, U Lindemann, C. Becker, 2016, Aging Clinical and Experimental Research.

Fall detection with body-worn sensors

K. Aminian, U. Lindemann, C. Becker, 2013, Zeitschrift für Gerontologie und Geriatrie.

Smartphone-based solutions for fall detection and prevention: the FARSEEING approach

C. Becker, L. Schwickert, S. Mellone, 2012, Zeitschrift für Gerontologie und Geriatrie.

Walking on sunshine: effect of weather conditions on physical activity in older people

J. Klenk, K. Rapp, G. Büchele, 2011, Journal of Epidemiology & Community Health.

Quantitative Description of the Lie-to-Sit-to-Stand-to-Walk Transfer by a Single Body-Fixed Sensor

Angelo Cappello, Lorenzo Chiari, Jochen Klenk, 2013, IEEE Transactions on Neural Systems and Rehabilitation Engineering.

J. Klenk, K. Pfeiffer, T. Kneib, 2009, Annals of Epidemiology.

Right ventricular function assessed by tissue Doppler echocardiography in older subjects without evidence for structural cardiac disease

J. Klenk, D. Rothenbacher, W. Koenig, 2017, Aging Clinical and Experimental Research.

Association of objectively measured physical activity with established and novel cardiovascular biomarkers in elderly subjects: every step counts

J. Klenk, D. Rothenbacher, W. Koenig, 2012, Journal of Epidemiology & Community Health.

Rapid increase in fall-induced cervical spine injuries among older Finnish adults between 1970 and 2011

C. Becker, J. Klenk, U. Lindemann, 2014 .

Hip Fractures in Institutionalized Elderly People: Incidence Rates and Excess Mortality

C. Becker, J. Klenk, S. Lamb, 2008, Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research.

SHORT COMMUNICATION Secular changes of anthropometric measures for the past 30 years in South-West Germany

J. Klenk, J. Steinacker, S. Weiland, 2009 .

Influence of Having Breakfast on Cognitive Performance and Mood in 13- to 20-Year-Old High School Students: Results of a Crossover Trial

J. Klenk, Katrin Hille, Ulrike Weiland, 2008, Pediatrics.

Physical performance and daily walking duration: associations in 1271 women and men aged 65–90 years

J. Klenk, M. Denkinger, K. Rapp, 2012, Aging Clinical and Experimental Research.

Problems of older persons using a wheeled walker

Michael Weyrich, Michael Schwenk, Jochen Klenk, 2016, Aging Clinical and Experimental Research.

Effect of cold indoor environment on physical performance of older women living in the community.

C. Becker, J. Klenk, U. Lindemann, 2014, Age and ageing.

’ s response to reviews Title : Health-related quality of life varies in different respiratory disorders : a multi-case control population based study

J. Klenk, D. Richardson, P. Rzehak, 2019 .