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Pedometer Feedback Interventions Increase Daily Physical Activity in Phase III Cardiac Rehabilitation Participants.

Ozemek C, Strath SJ, Riggin K, Harber MP, Imboden MT, Kaminsky LA.

J Cardiopulm Rehabil Prev. 2019 Nov 8. doi: 10.1097/HCR.0000000000000472. [Epub ahead of print]


A Framework to Evaluate Devices That Assess Physical Behavior.

Keadle SK, Lyden KA, Strath SJ, Staudenmayer JW, Freedson PS.

Exerc Sport Sci Rev. 2019 Oct;47(4):206-214. doi: 10.1249/JES.0000000000000206.


Energy Cost of Slow and Normal Gait Speeds in Low and Normally Functioning Adults.

Rowley TW, Cho C, Swartz AM, Staudenmayer J, Hyngstrom A, Keenan KG, Welch WA, Strath SJ.

Am J Phys Med Rehabil. 2019 Nov;98(11):976-981. doi: 10.1097/PHM.0000000000001228.


Do Stand-Biased Desks in the Classroom Change School-Time Activity and Sedentary Behavior?

Swartz AM, Tokarek NR, Lisdahl K, Maeda H, Strath SJ, Cho CC.

Int J Environ Res Public Health. 2019 Mar 15;16(6). pii: E933. doi: 10.3390/ijerph16060933.


Duration-Response of Light-Intensity Physical Activity and Glucose Dynamics in Older Adults.

Welch WA, Strath SJ, Brondino M, Walker R, Swartz AM.

J Phys Act Health. 2019 Jan 1;16(1):37-42. doi: 10.1123/jpah.2017-0557. Epub 2018 Dec 10.


Pattern Analysis of Sedentary Behavior Change after a Walking Intervention.

Swartz AM, Cho CC, Welch WA, Widlansky ME, Maeda H, Strath SJ.

Am J Health Behav. 2018 May 1;42(3):90-101. doi: 10.5993/AJHB.42.3.9.


Efficacy of an Individually Tailored, Internet-Mediated Physical Activity Intervention in Older Adults: A Randomized Controlled Trial.

Rowley TW, Lenz EK, Swartz AM, Miller NE, Maeda H, Strath SJ.

J Appl Gerontol. 2019 Jul;38(7):1011-1022. doi: 10.1177/0733464817735396. Epub 2017 Oct 25.


Isotemporal Substitution of Sedentary Behavior and Physical Activity on Function.

Lerma NL, Cho CC, Swartz AM, Miller NE, Keenan KG, Strath SJ.

Med Sci Sports Exerc. 2018 Apr;50(4):792-800. doi: 10.1249/MSS.0000000000001491.


Wearables for Promoting Physical Activity.

Strath SJ, Rowley TW.

Clin Chem. 2018 Jan;64(1):53-63. doi: 10.1373/clinchem.2017.272369. Epub 2017 Nov 8.


Individualized Estimation of Physical Activity in Older Adults with Type 2 Diabetes.

Welch WA, Alexander NB, Swartz AM, Miller NE, Twardzik E, Strath SJ.

Med Sci Sports Exerc. 2017 Nov;49(11):2185-2190. doi: 10.1249/MSS.0000000000001355.


A prospective examination of the impact of high levels of exercise training on sedentary behaviour.

Swartz AM, Miller NE, Cho YI, Welch WA, Strath SJ.

Eur J Sport Sci. 2017 Mar;17(2):222-230. doi: 10.1080/17461391.2016.1251496. Epub 2016 Nov 7.


Muscle activation and energy expenditure of sedentary behavior alternatives in young and old adults.

Lerma NL, Keenan KG, Strath SJ, Forseth BM, Cho CC, Swartz AM.

Physiol Meas. 2016 Oct;37(10):1686-1700. Epub 2016 Sep 21.


Physical activity-related social control and social support in older adults: Cognitive and emotional pathways to physical activity.

Newsom JT, Shaw BA, August KJ, Strath SJ.

J Health Psychol. 2018 Sep;23(11):1389-1404. doi: 10.1177/1359105316656768. Epub 2016 Jul 28.


Increasing the Energy Expenditure of Seated Activities in Older Adults with a Portable Elliptical Device.

Lerma NL, Swartz AM, Rowley TW, Maeda H, Strath SJ.

J Aging Phys Act. 2017 Jan;25(1):99-104. doi: 10.1123/japa.2015-0277. Epub 2016 Aug 24.


Accuracy of Direct Observation to Assess Physical Activity in Older Adults.

Welch WA, Swartz AM, Cho CC, Strath SJ.

J Aging Phys Act. 2016 Oct;24(4):583-590. Epub 2016 Aug 24.


Movement Discordance between Healthy and Non-Healthy US Adults.

Swartz AM, Cho Y, Welch WA, Strath SJ.

PLoS One. 2016 Feb 26;11(2):e0150325. doi: 10.1371/journal.pone.0150325. eCollection 2016.


Comparative evaluation of features and techniques for identifying activity type and estimating energy cost from accelerometer data.

Kate RJ, Swartz AM, Welch WA, Strath SJ.

Physiol Meas. 2016 Mar;37(3):360-79. doi: 10.1088/0967-3334/37/3/360. Epub 2016 Feb 10.


Translating exercise interventions to an in-home setting for seniors: preliminary impact on physical activity and function.

Dondzila CJ, Swartz AM, Keenan KG, Harley AE, Azen R, Strath SJ.

Aging Clin Exp Res. 2016 Dec;28(6):1227-1235. Epub 2016 Jan 5.


Ngram time series model to predict activity type and energy cost from wrist, hip and ankle accelerometers: implications of age.

Strath SJ, Kate RJ, Keenan KG, Welch WA, Swartz AM.

Physiol Meas. 2015 Nov;36(11):2335-51. doi: 10.1088/0967-3334/36/11/2335. Epub 2015 Oct 9.


Maintaining physical activity during head and neck cancer treatment: Results of a pilot controlled trial.

Zhao SG, Alexander NB, Djuric Z, Zhou J, Tao Y, Schipper M, Feng FY, Eisbruch A, Worden FP, Strath SJ, Jolly S.

Head Neck. 2016 Apr;38 Suppl 1:E1086-96. doi: 10.1002/hed.24162. Epub 2015 Oct 7.


Pacemaker Quantified Physical Activity Predicts All-Cause Mortality.

Tyagi S, Curley M, Berger M, Fox J, Strath SJ, Rubenstein J, Roth J, Widlansky ME.

J Am Coll Cardiol. 2015 Aug 11;66(6):754-5. doi: 10.1016/j.jacc.2015.06.005. No abstract available.


Associations of Reducing Sedentary Time With Vascular Function and Insulin Sensitivity in Older Sedentary Adults.

Suboc TB, Knabel D, Strath SJ, Dharmashankar K, Coulliard A, Malik M, Haak K, Widlansky ME.

Am J Hypertens. 2016 Jan;29(1):46-53. doi: 10.1093/ajh/hpv063. Epub 2015 May 18.


Congruent validity and reliability of two metabolic systems to measure resting metabolic rate.

Welch WA, Strath SJ, Swartz AM.

Int J Sports Med. 2015 May;36(5):414-8. doi: 10.1055/s-0034-1398575. Epub 2015 Feb 20.


Acceptability and Feasibility of Physical Activity Assessment Methods for an Appalachian Population.

Tarasenko YN, Howell BM, Studts CR, Strath SJ, Schoenberg NE.

J Community Health. 2015 Aug;40(4):714-24. doi: 10.1007/s10900-015-9990-7.


The Impact of Moderate Intensity Physical Activity on Cardiac Structure and Performance in Older Sedentary Adults.

Suboc TB, Strath SJ, Dharmashankar K, Harmann L, Couillard A, Malik M, Haak K, Knabel D, Widlansky ME.

Int J Cardiol Heart Vessel. 2014 Sep 1;4:19-24.


Women Workers and Women at Home Are Equally Inactive: NHANES 2003-2006.

Steeves JA, Murphy RA, Zipunnikov V, Strath SJ, Harris TB.

Med Sci Sports Exerc. 2015 Aug;47(8):1635-42. doi: 10.1249/MSS.0000000000000582.


Geospatial Relationships between Awareness and Utilization of Community Exercise Resources and Physical Activity Levels in Older Adults.

Dondzila CJ, Swartz AM, Keenan KG, Harley AE, Azen R, Strath SJ.

J Aging Res. 2014;2014:302690. doi: 10.1155/2014/302690. Epub 2014 Oct 16.


Responsiveness of motion sensors to detect change in sedentary and physical activity behaviour.

Swartz AM, Rote AE, Cho YI, Welch WA, Strath SJ.

Br J Sports Med. 2014 Jul;48(13):1043-7. doi: 10.1136/bjsports-2014-093520. Epub 2014 May 13.


Dose-response walking activity and physical function in older adults.

Dondzila CJ, Gennuso KP, Swartz AM, Tarima S, Lenz EK, Stein SS, Kohl RJ, Strath SJ.

J Aging Phys Act. 2015 Apr;23(2):194-9. doi: 10.1123/japa.203-0083. Epub 2014 May 8.


Prompts to disrupt sitting time and increase physical activity at work, 2011-2012.

Swartz AM, Rote AE, Welch WA, Maeda H, Hart TL, Cho YI, Strath SJ.

Prev Chronic Dis. 2014 May 1;11:E73. doi: 10.5888/pcd11.130318.


Physically active, low-income African American women: an exploration of activity maintenance in the context of sociodemographic factors associated with inactivity.

Harley AE, Rice J, Walker R, Strath SJ, Quintiliani LM, Bennett GG.

Women Health. 2014;54(4):354-72. doi: 10.1080/03630242.2014.896440.


Relative importance of step count, intensity, and duration on physical activity's impact on vascular structure and function in previously sedentary older adults.

Suboc TB, Strath SJ, Dharmashankar K, Coulliard A, Miller N, Wang J, Tanner MJ, Widlansky ME.

J Am Heart Assoc. 2014 Feb 26;3(1):e000702. doi: 10.1161/JAHA.113.000702.


A pedometer-based physical activity intervention for patients entering a maintenance cardiac rehabilitation program: a pilot study.

Kaminsky LA, Jones J, Riggin K, Strath SJ.

Cardiovasc Diagn Ther. 2013 Jun;3(2):73-9. doi: 10.3978/j.issn.2223-3652.2013.03.03.


Guide to the assessment of physical activity: Clinical and research applications: a scientific statement from the American Heart Association.

Strath SJ, Kaminsky LA, Ainsworth BE, Ekelund U, Freedson PS, Gary RA, Richardson CR, Smith DT, Swartz AM; American Heart Association Physical Activity Committee of the Council on Lifestyle and Cardiometabolic Health and Cardiovascular, Exercise, Cardiac Rehabilitation and Prevention Committee of the Council on Clinical Cardiology, and Council.

Circulation. 2013 Nov 12;128(20):2259-79. doi: 10.1161/01.cir.0000435708.67487.da. Epub 2013 Oct 14.


Validation of a portable EMG device to assess muscle activity during free-living situations.

Walters TJ, Kaschinske KA, Strath SJ, Swartz AM, Keenan KG.

J Electromyogr Kinesiol. 2013 Oct;23(5):1012-9. doi: 10.1016/j.jelekin.2013.06.004. Epub 2013 Jul 5.


Estimating relative intensity using individualized accelerometer cutpoints: the importance of fitness level.

Ozemek C, Cochran HL, Strath SJ, Byun W, Kaminsky LA.

BMC Med Res Methodol. 2013 Apr 1;13:53. doi: 10.1186/1471-2288-13-53.


Daily physical activity predicts degree of insulin resistance: a cross-sectional observational study using the 2003-2004 National Health and Nutrition Examination Survey.

Nelson RK, Horowitz JF, Holleman RG, Swartz AM, Strath SJ, Kriska AM, Richardson CR.

Int J Behav Nutr Phys Act. 2013 Jan 28;10:10. doi: 10.1186/1479-5868-10-10.


Accuracy of uploadable pedometers in laboratory, overground, and free-living conditions in young and older adults.

Dondzila CJ, Swartz AM, Miller NE, Lenz EK, Strath SJ.

Int J Behav Nutr Phys Act. 2012 Dec 11;9:143. doi: 10.1186/1479-5868-9-143.


Resistance training congruent with minimal guidelines improves function in older adults: a pilot study.

Gennuso KP, Zalewski K, Cashin SE, Strath SJ.

J Phys Act Health. 2013 Aug;10(6):769-76. Epub 2012 Oct 10.


Measured and perceived environmental characteristics are related to accelerometer defined physical activity in older adults.

Strath SJ, Greenwald MJ, Isaacs R, Hart TL, Lenz EK, Dondzila CJ, Swartz AM.

Int J Behav Nutr Phys Act. 2012 Apr 3;9:40. doi: 10.1186/1479-5868-9-40.


Comparison of the IPAQ-Short Form and accelerometry predictions of physical activity in older adults.

Grimm EK, Swartz AM, Hart T, Miller NE, Strath SJ.

J Aging Phys Act. 2012 Jan;20(1):64-79.


Accelerometer use with children, older adults, and adults with functional limitations.

Strath SJ, Pfeiffer KA, Whitt-Glover MC.

Med Sci Sports Exerc. 2012 Jan;44(1 Suppl 1):S77-85. doi: 10.1249/MSS.0b013e3182399eb1. Review.


Prediction of body fat in older adults by time spent in sedentary behavior.

Swartz AM, Tarima S, Miller NE, Hart TL, Grimm EK, Rote AE, Strath SJ.

J Aging Phys Act. 2012 Jul;20(3):332-44. Epub 2011 Dec 20.


A pilot randomized controlled trial evaluating motivationally matched pedometer feedback to increase physical activity behavior in older adults.

Strath SJ, Swartz AM, Parker SJ, Miller NE, Grimm EK, Cashin SE.

J Phys Act Health. 2011 Sep;8 Suppl 2:S267-74.


A Pilot Randomized Controlled Trial Evaluating Motivationally Matched Pedometer Feedback to Increase Physical Activity Behavior in Older Adults.

Strath SJ, Swartz AM, Parker SJ, Miller NE, Grimm EK, Cashin SE.

J Phys Act Health. 2011 Sep;8(s2):S267-S274. doi: 10.1123/jpah.8.s2.s267.


Objectively assessed physical activity and sedentary behaviour does not differ between children and adolescents with and without a congenital heart defect: a pilot examination.

Ewalt LA, Danduran MJ, Strath SJ, Moerchen V, Swartz AM.

Cardiol Young. 2012 Feb;22(1):34-41. doi: 10.1017/S1047951111000837. Epub 2011 Jun 23.


Energy expenditure of interruptions to sedentary behavior.

Swartz AM, Squires L, Strath SJ.

Int J Behav Nutr Phys Act. 2011 Jun 27;8:69. doi: 10.1186/1479-5868-8-69.


How many days of monitoring predict physical activity and sedentary behaviour in older adults?

Hart TL, Swartz AM, Cashin SE, Strath SJ.

Int J Behav Nutr Phys Act. 2011 Jun 16;8:62. doi: 10.1186/1479-5868-8-62.


Effectiveness of long and short bout walking on increasing physical activity in women.

Serwe KM, Swartz AM, Hart TL, Strath SJ.

J Womens Health (Larchmt). 2011 Feb;20(2):247-53. doi: 10.1089/jwh.2010.2019.


Estimating absolute and relative physical activity intensity across age via accelerometry in adults.

Miller NE, Strath SJ, Swartz AM, Cashin SE.

J Aging Phys Act. 2010 Apr;18(2):158-70.

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