Research Topics
| Tim LohmanSummaryAffiliation: University of Arizona Country: USA Publications
Research Grants
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Detail Information
Publications
Body composition assessment in American Indian childrenT G Lohman
Department of Physiology, University of Arizona, Tucson 85721, USA
Am J Clin Nutr 69:764S-766S. 1999....- Assessing body composition and changes in body composition. Another look at dual-energy X-ray absorptiometryT G Lohman
Department of Exercise and Sport Science, University of Arizona, Tucson 85721, USA
Ann N Y Acad Sci 904:45-54. 2000..Applying these criteria to DXA studies of body composition under review accounts for much of the contradictory conclusions among investigations... 
Relationships among fitness, body composition, and physical activityTimothy G Lohman
Department of Physiology, The University of Arizona, Tucson, AZ 85721, USA
Med Sci Sports Exerc 40:1163-70. 2008..This study was designed to examine the associations of physical activity and body composition with cardiorespiratory fitness in eighth grade girls...- Body composition assessment for development of an international growth standard for preadolescent and adolescent childrenTimothy G Lohman
Department of Physiology, University of Arizona, Tucson, Arizona, USA
Food Nutr Bull 27:S314-25. 2006..We also propose using both fat mass index and fat-free mass index as an improvement over body-mass index... - Associations of body size and composition with physical activity in adolescent girlsTimothy G Lohman
Department of Physiology and Department of Nutritional Sciences, The University of Arizona, Tucson, AZ 85721, USA
Med Sci Sports Exerc 38:1175-81. 2006..To examine whether components of body composition (size, fat mass, and fat-free mass) were related to physical activity... - Indices of changes in adiposity in American Indian childrenTim Lohman
Department of Physiology, University of Arizona, Tucson, AZ 85721, USA
Prev Med 37:S91-6. 2003..Several body composition methods were compared in intervention and control schools for assessing body composition changes... - Dietary iron is associated with bone mineral density in healthy postmenopausal womenMargaret M Harris
Department of Physiology, The University of Arizona, Tucson, AZ 85721, USA
J Nutr 133:3598-602. 2003..Dietary iron may be a more important factor in bone mineralization than originally thought and, its combined effect with calcium on BMD warrants exploration in future studies... - Cholesteryl ester transfer protein and lecithin:cholesterol acyltransferase activities in hispanic and anglo postmenopausal women: associations with total and regional body fatKathryn A Greaves
Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA
Metabolism 52:282-9. 2003..In conclusion, results suggest a greater risk for coronary heart disease in Hispanic women compared to Anglo women... - Exercise frequency and calcium intake predict 4-year bone changes in postmenopausal womenEllen C Cussler
Department of Physiology, University of Arizona, Tucson, AZ, USA
Osteoporos Int 16:2129-41. 2005..The positive relationship of CI to change in BMD among postmenopausal women not using HT has clinical implications in light of recent evidence of an increased health risk associated with HT... - Assessing the validity of body mass index standards in early postmenopausal womenRobert M Blew
Department of Physiology, University of Arizona, Tucson, Arizona 85721, USA
Obes Res 10:799-808. 2002..Current NIH BMI-based classifications for obesity may be misleading based on currently proposed %Fat standards. BMI >25 kg/m(2) rather than BMI >30 kg/m(2) may be superior for diagnosing obesity in postmenopausal women... - Body composition modulates the effects of hormone replacement therapy on growth hormone and insulin-like growth factor-I levels in postmenopausal womenArturo Figueroa
Department of Physiology, University of Arizona, Tucson, USA
Gynecol Obstet Invest 54:201-6. 2002..To examine the relationships of body composition with basal serum estrone, estradiol, androstenedione, cortisol, growth hormone (GH) and insulin-like growth factor-1 (IGF-1) levels in 73 postmenopausal women... - Lower trabecular volumetric BMD at metaphyseal regions of weight-bearing bones is associated with prior fracture in young girlsJoshua N Farr
Department of Physiological Sciences, University of Arizona, Tucson, AZ 85721 0093, USA
J Bone Miner Res 26:380-7. 2011..Lower trabecular vBMD at metaphyseal sites of long bones may be an early marker of skeletal fragility in girls... - Physical activity levels in patients with early knee osteoarthritis measured by accelerometryJoshua N Farr
Department of Physiology, University of Arizona, 1713 East University Boulevard, Tucson, Arizona 85721, USA
Arthritis Rheum 59:1229-36. 2008.... 
Comparison between dietary assessment methods for determining associations between nutrient intakes and bone mineral density in postmenopausal womenVanessa A Farrell
Department of Nutritional Sciences, University of Arizona, Shantz 118, PO Box 210038, Tucson, AZ 85721, USA
J Am Diet Assoc 109:899-904. 2009..Diet records and the Arizona Food Frequency Questionnaire are acceptable dietary tools used to determine the associations of particular nutrients and BMD sites in healthy postmenopausal women...- Resistance training predicts 6-yr body composition change in postmenopausal womenJennifer W Bea
Arizona Cancer Center, University of Arizona, Tucson, AZ 85724 5024, USA
Med Sci Sports Exerc 42:1286-95. 2010.... - Relationship of total body fat mass to weight-bearing bone volumetric density, geometry, and strength in young girlsJoshua N Farr
Department of Physiological Sciences, The University of Arizona, 1713 E University Blvd 93, Tucson, AZ 85721, USA
Bone 46:977-84. 2010..Nevertheless, girls with higher TBFM relative to body mass have markedly diminished vBMD, geometry, and bone strength at metaphyseal and diaphyseal sites of the femur and tibia... - Lifestyle modifies the relationship between body composition and adrenergic receptor genetic polymorphisms, ADRB2, ADRB3 and ADRA2B: a secondary analysis of a randomized controlled trial of physical activity among postmenopausal womenJennifer W Bea
Arizona Cancer Center, University of Arizona, Tucson, AZ 85724, USA
Behav Genet 40:649-59. 2010..Individuals with certain ADR genotypes may be more vulnerable to adverse changes in body composition with sedentary behavior, thus these candidate genes warrant further study... - Quantifying bone-relevant activity and its relation to bone strength in girlsJoshua N Farr
Department of Physiological Sciences, University of Arizona, Tucson, AZ 85721 0093, USA
Med Sci Sports Exerc 43:476-83. 2011..Physical activity (PA) is critical for maximizing bone development during growth. However, there is no consensus on how well existing PA measurement tools predict bone strength... - The psychosocial and behavioral characteristics related to energy misreportingJaclyn Maurer
Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA
Nutr Rev 64:53-66. 2006..This review will provide a detailed discussion of the published associations among psychosocial and behavioral characteristics and energy misreporting... - Dietary iron positively influences bone mineral density in postmenopausal women on hormone replacement therapyJaclyn Maurer
Department of Nutritional Sciences, University of Arizona, Tucson, AZ, USA
J Nutr 135:863-9. 2005..In women not using HRT, BMD increased in the women in the highest tertile of calcium intake. We conclude that HRT use appears to influence the associations of iron and calcium on change in BMD... - Resistance training in postmenopausal women with and without hormone therapyPedro J Teixeira
Department of Physiology, University of Arizona, Tucson, AZ 85721, USA
Med Sci Sports Exerc 35:555-62. 2003..The lean and muscle strength changes observed were partially dependent on the volume of training, as expressed by attendance and total weight lifted in 1 yr of training... - Weight loss readiness in middle-aged women: psychosocial predictors of success for behavioral weight reductionPedro J Teixeira
Department of Nutritional Sciences, Body Composition Research Laboratory, University of Arizona, Tucson, Arizona 85721, USA
J Behav Med 25:499-523. 2002..These findings are discussed as to their usefulness (i) to screen individuals before treatment, (ii) to provide a better match between interventions to participants, and (iii) to build a weight loss readiness questionnaire... - Maintenance of weight loss in overweight middle-aged women through the InternetEllen C Cussler
Department of Physiology, Center for Physical Activity and Nutrition, The University of Arizona, Tucson, Arizona, USA
Obesity (Silver Spring) 16:1052-60. 2008..0+/-4.4 years old), randomized to a 12-month weight maintenance Internet intervention or to self-directed weight maintenance after a 4-month weight loss treatment... - Effects of exercise training and hormone replacement therapy on lean and fat mass in postmenopausal womenArturo Figueroa
Department of Exercise Science, Syracuse University, New York 13244, USA
J Gerontol A Biol Sci Med Sci 58:266-70. 2003..Menopause is associated with decreases in lean mass and increases in fat mass. Serum hormone levels and hormone replacement therapy (HRT) may modify the effects of exercise training on body composition in postmenopausal women... - Design, implementation, and quality control in the Pathways American-Indian multicenter trialElaine J Stone
University of New Mexico, Department of Physical Performance and Development, Johnson Center Room 1150, Albuquerque, NM 87131, USA
Prev Med 37:S13-23. 2003..Pathways was the first multicenter American-Indian school-based study to test the effectiveness of an obesity prevention program promoting healthy eating and physical activity... - Weight lifted in strength training predicts bone change in postmenopausal womenEllen C Cussler
Department of Physiology, Faculty of Human Movement, Technical University of Lisbon, Portugal
Med Sci Sports Exerc 35:10-7. 2003.... - Beneficial effects of weight loss on plasma apolipoproteins in postmenopausal womenMaria Luz Fernandez
Department of Nutritional Sciences, University of Connecticut, 3624 Horsebarn Road Ext, Storrs, CT 06268, USA
J Nutr Biochem 15:717-21. 2004..436) and apo E (r=0.354) over 6 months. These results suggest that weight loss may have multifactorial effects on lipoprotein metabolism, resulting in better plasma lipid and apoprotein profiles... - QDR 4500A dual-energy X-ray absorptiometer underestimates fat mass in comparison with criterion methods in adultsDale A Schoeller
Nutritional Sciences, University of Wisconsin-Madison
Am J Clin Nutr 81:1018-25. 2005..This finding is particularly important because the National Health and Nutrition Examination Survey is using the QDR 4500A to assess body composition in a nationally representative sample of persons in the United States... - Reproducibility of DXA in obese womenZaida R Cordero-Macintyre
Nutrition Department, S.P.H, Loma Linda University, CA 92350, USA. zcordero-macintyre@ sph.llu.edu
J Clin Densitom 5:35-44. 2002..2% at baseline and -2.9% and -7.6% at 3 mo, respectively) and higher fat and lean weights (49.12 and 47.1 kg and 49.6 and 44.6 kg, respectively) than V8.1a. Reproducibility of all variables was comparable between software versions... - Promoting physical activity in middle school girls: Trial of Activity for Adolescent GirlsLarry S Webber
Department of Biostatistics, Tulane University, New Orleans, Louisiana 70112, USA
Am J Prev Med 34:173-84. 2008..Physical activity is important for weight control and good health; however, activity levels decline in the adolescent years, particularly in girls... - Psychosocial and behavioral profile and predictors of self-reported energy underreporting in obese middle-aged womenJaclyn Maurer Abbot
Nutritional Sciences, Cook College at Rutgers University, The State University of New Jersey, New Brunswick, NJ 08901, USA
J Am Diet Assoc 108:114-9. 2008.... - Objectively assessed associations between physical activity and body composition in middle-school girls: the Trial of Activity for Adolescent GirlsJune Stevens
Department of Nutrition, School of Public Health, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
Am J Epidemiol 166:1298-305. 2007..More population-based research using objective physical activity and body composition measurements is needed to make evidence-based physical activity recommendations for US youth... - Comparison of the effectiveness of 2 dual-energy X-ray absorptiometers with that of total body water and computed tomography in assessing changes in body composition during weight changeFrances A Tylavsky
Department of Preventive Medicine, University of Tennessee, Memphis, 38105, USA
Am J Clin Nutr 77:356-63. 2003..Little information is available on the assessment of changes in body composition as a function of weight change with the use of the fan beam of dual-energy X-ray absorptiometry (DXA)... - Depressive symptoms and changes in body weight exert independent and site-specific effects on bone in postmenopausal women exercising for 1 yearLaura A Milliken
Department of Exercise and Health Sciences, University of Massachusetts, Boston, 100 Morrissey Blvd, Boston, MA 02125, USA
J Gerontol A Biol Sci Med Sci 61:488-94. 2006..Therefore, the purpose of this study was to determine whether depressive symptoms, vitality, and body weight changes were related to 1-year BMD changes after accounting for covariates... - Exercise motivation, eating, and body image variables as predictors of weight controlPedro J Teixeira
Department of Exercise and Health, Faculty of Human Movement, Technical University of Lisbon, Lisbon, Portugal
Med Sci Sports Exerc 38:179-88. 2006....
Research Grants
- TRIAL OF ACTIVITY FOR ADOLESCENT GIRLS (TAAG)Timothy Lohman; Fiscal Year: 2005..The team brings expertise in PA program design, PA and fitness assessment, formative assessment, behavior theory and curriculum development, intervention delivery, process evaluation, and data management. ..