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Training, muscle volume, and energy expenditure in nonobese American girls
1 Department of Pediatrics, University of California, Irvine College of Medicine, Orange 92868; 3 Harbor-University of California Los Angeles Medical Center, Torrance, California 90509; and 2 Connecticut Children's Medical Center and Department of Pediatrics, University of Connecticut Health...
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| Published in: | Journal of applied physiology (1985) 2001-01, Vol.90 (1), p.35-44 |
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| cites | cdi_FETCH-LOGICAL-c569t-dea34889fcd463d16127436662df7cbec14992421e5a3a2cf734d039dc029bb93 |
| container_end_page | 44 |
| container_issue | 1 |
| container_start_page | 35 |
| container_title | Journal of applied physiology (1985) |
| container_volume | 90 |
| creator | Eliakim, Alon Scheett, Tim Allmendinger, Nicki Brasel, Jo Anne Cooper, Dan M |
| description | 1 Department of Pediatrics, University of California, Irvine
College of Medicine, Orange 92868; 3 Harbor-University of
California Los Angeles Medical Center, Torrance, California 90509;
and 2 Connecticut Children's Medical Center and
Department of Pediatrics, University of Connecticut Health Center,
Farmington, Connecticut 06030
Little is known about the relationship among training,
energy expenditure, muscle volume, and fitness in prepubertal
girls. Because physical activity is high in prepubertal
children, we hypothesized that there would be no effect of training.
Forty pre- and early pubertal (mean age 9.1 ± 0.1 yr) nonobese
girls enrolled in a 5 day/wk summer school program for 5 wk and were randomized to control ( n = 20) or training groups
( n = 20; 1.5 h/day, endurance-type exercise). Total
energy expenditure (TEE) was measured using doubly labeled water, thigh
muscle volume using magnetic resonance imaging, and peak O 2
uptake ( O 2 peak ) using cycle ergometry.
TEE was significantly greater (17%, P < 0.02) in the
training girls. Training increased thigh muscle volume (+4.3 ± 0.9%, P |
| doi_str_mv | 10.1152/jappl.2001.90.1.35 |
| format | article |
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College of Medicine, Orange 92868; 3 Harbor-University of
California Los Angeles Medical Center, Torrance, California 90509;
and 2 Connecticut Children's Medical Center and
Department of Pediatrics, University of Connecticut Health Center,
Farmington, Connecticut 06030
Little is known about the relationship among training,
energy expenditure, muscle volume, and fitness in prepubertal
girls. Because physical activity is high in prepubertal
children, we hypothesized that there would be no effect of training.
Forty pre- and early pubertal (mean age 9.1 ± 0.1 yr) nonobese
girls enrolled in a 5 day/wk summer school program for 5 wk and were randomized to control ( n = 20) or training groups
( n = 20; 1.5 h/day, endurance-type exercise). Total
energy expenditure (TEE) was measured using doubly labeled water, thigh
muscle volume using magnetic resonance imaging, and peak O 2
uptake ( O 2 peak ) using cycle ergometry.
TEE was significantly greater (17%, P < 0.02) in the
training girls. Training increased thigh muscle volume (+4.3 ± 0.9%, P < 0.005) and
O 2 peak (+9.5 ± 6%,
P < 0.05), effects surprisingly similar to those
observed in adolescent girls using the same protocol (Eliakim A,
Barstow TJ, Brasel JA, Ajie H, Lee W-NP, Renslo R, Berman N, and Cooper
DM, J Pediatr 129: 537-543, 1996). We further
compared these two sample populations: thigh muscle volume per weight
was much lower in adolescent compared with prepubertal girls (17.0 ± 0.3 vs. 27.8 ± 0.6 ml/kg body mass; P < 0.001), and allometric analysis revealed remarkably low scaling factors
relating muscle volume (0.34 ± 0.05, P < 0.0001), TEE (0.24 ± 0.06, P < 0.0004), and
O 2 peak (0.28 ± 0.07, P < 0.0001) to body mass in all subjects. Muscle and
cardiorespiratory functions were quite responsive to brief training in
prepubertal girls. Moreover, a retrospective, cross-sectional analysis
suggests that increases in muscle mass and
O 2 peak may be depressed in nonobese
American girls as they mature.
exercise; doubly labeled water; magnetic resonance imaging; oxygen
uptake]]></description><identifier>ISSN: 8750-7587</identifier><identifier>EISSN: 1522-1601</identifier><identifier>DOI: 10.1152/jappl.2001.90.1.35</identifier><identifier>PMID: 11133891</identifier><identifier>CODEN: JAPHEV</identifier><language>eng</language><publisher>Bethesda, MD: Am Physiological Soc</publisher><subject>Biological and medical sciences ; Body Height ; Body Mass Index ; Body Weight ; Child ; Cross-Sectional Studies ; Drinking water ; Energy Metabolism ; Exercise ; Female ; Fundamental and applied biological sciences. Psychology ; Girls ; Heart - physiology ; Humans ; Lung - physiology ; Muscle, Skeletal - anatomy & histology ; Muscular system ; NMR ; Nuclear magnetic resonance ; Oxygen Consumption ; Physical Education and Training ; Physical Endurance ; Physical Fitness ; Prospective Studies ; Reference Values ; Respiratory system ; Teenagers ; Thigh ; Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><ispartof>Journal of applied physiology (1985), 2001-01, Vol.90 (1), p.35-44</ispartof><rights>2001 INIST-CNRS</rights><rights>Copyright American Physiological Society Jan 2001</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c569t-dea34889fcd463d16127436662df7cbec14992421e5a3a2cf734d039dc029bb93</citedby><cites>FETCH-LOGICAL-c569t-dea34889fcd463d16127436662df7cbec14992421e5a3a2cf734d039dc029bb93</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=958334$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11133891$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Eliakim, Alon</creatorcontrib><creatorcontrib>Scheett, Tim</creatorcontrib><creatorcontrib>Allmendinger, Nicki</creatorcontrib><creatorcontrib>Brasel, Jo Anne</creatorcontrib><creatorcontrib>Cooper, Dan M</creatorcontrib><title>Training, muscle volume, and energy expenditure in nonobese American girls</title><title>Journal of applied physiology (1985)</title><addtitle>J Appl Physiol (1985)</addtitle><description><![CDATA[1 Department of Pediatrics, University of California, Irvine
College of Medicine, Orange 92868; 3 Harbor-University of
California Los Angeles Medical Center, Torrance, California 90509;
and 2 Connecticut Children's Medical Center and
Department of Pediatrics, University of Connecticut Health Center,
Farmington, Connecticut 06030
Little is known about the relationship among training,
energy expenditure, muscle volume, and fitness in prepubertal
girls. Because physical activity is high in prepubertal
children, we hypothesized that there would be no effect of training.
Forty pre- and early pubertal (mean age 9.1 ± 0.1 yr) nonobese
girls enrolled in a 5 day/wk summer school program for 5 wk and were randomized to control ( n = 20) or training groups
( n = 20; 1.5 h/day, endurance-type exercise). Total
energy expenditure (TEE) was measured using doubly labeled water, thigh
muscle volume using magnetic resonance imaging, and peak O 2
uptake ( O 2 peak ) using cycle ergometry.
TEE was significantly greater (17%, P < 0.02) in the
training girls. Training increased thigh muscle volume (+4.3 ± 0.9%, P < 0.005) and
O 2 peak (+9.5 ± 6%,
P < 0.05), effects surprisingly similar to those
observed in adolescent girls using the same protocol (Eliakim A,
Barstow TJ, Brasel JA, Ajie H, Lee W-NP, Renslo R, Berman N, and Cooper
DM, J Pediatr 129: 537-543, 1996). We further
compared these two sample populations: thigh muscle volume per weight
was much lower in adolescent compared with prepubertal girls (17.0 ± 0.3 vs. 27.8 ± 0.6 ml/kg body mass; P < 0.001), and allometric analysis revealed remarkably low scaling factors
relating muscle volume (0.34 ± 0.05, P < 0.0001), TEE (0.24 ± 0.06, P < 0.0004), and
O 2 peak (0.28 ± 0.07, P < 0.0001) to body mass in all subjects. Muscle and
cardiorespiratory functions were quite responsive to brief training in
prepubertal girls. Moreover, a retrospective, cross-sectional analysis
suggests that increases in muscle mass and
O 2 peak may be depressed in nonobese
American girls as they mature.
exercise; doubly labeled water; magnetic resonance imaging; oxygen
uptake]]></description><subject>Biological and medical sciences</subject><subject>Body Height</subject><subject>Body Mass Index</subject><subject>Body Weight</subject><subject>Child</subject><subject>Cross-Sectional Studies</subject><subject>Drinking water</subject><subject>Energy Metabolism</subject><subject>Exercise</subject><subject>Female</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Girls</subject><subject>Heart - physiology</subject><subject>Humans</subject><subject>Lung - physiology</subject><subject>Muscle, Skeletal - anatomy & histology</subject><subject>Muscular system</subject><subject>NMR</subject><subject>Nuclear magnetic resonance</subject><subject>Oxygen Consumption</subject><subject>Physical Education and Training</subject><subject>Physical Endurance</subject><subject>Physical Fitness</subject><subject>Prospective Studies</subject><subject>Reference Values</subject><subject>Respiratory system</subject><subject>Teenagers</subject><subject>Thigh</subject><subject>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</subject><issn>8750-7587</issn><issn>1522-1601</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><recordid>eNqFkU1v1DAQhiMEokvhD3BAEUicuovHH0l8rCrKhypxWc6WY0-yXjlOsDfQ_fd4adSVEBKnkWaed94ZvUXxGsgGQNAPez1NfkMJgY3MrQ0TT4pVHtA1VASeFqumFmRdi6a-KF6ktM8g5wKeFxcAwFgjYVV83Ubtggv9VTnMyXgsf45-HvCq1MGWGDD2xxLvJwzWHeaIpQtlGMPYYsLyesDojA5l76JPL4tnnfYJXy31svh--3F783l99-3Tl5vru7URlTysLWrGm0Z2xvKKWaiA1pxVVUVtV5sWDXApKaeAQjNNTVczbgmT1hAq21ayy-L9w94pjj9mTAc1uGTQex1wnJOqiRAEJPsvCA1wxiXJ4Nu_wP04x5CfUJRSqJqKNhmiD5CJY0oROzVFN-h4VEDUKQ_1Jw91ykPJ3FJMZNGbZfPcDmjPkiWADLxbAJ2M9l3Uwbj0yEnRMMbP3jvX7365iGraHZMb_dgf1e3s_RbvDyf_xVdNtju__y9RZh-P_A1h5rLq</recordid><startdate>20010101</startdate><enddate>20010101</enddate><creator>Eliakim, Alon</creator><creator>Scheett, Tim</creator><creator>Allmendinger, Nicki</creator><creator>Brasel, Jo Anne</creator><creator>Cooper, Dan M</creator><general>Am Physiological Soc</general><general>American Physiological Society</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QP</scope><scope>7QR</scope><scope>7TK</scope><scope>7TS</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20010101</creationdate><title>Training, muscle volume, and energy expenditure in nonobese American girls</title><author>Eliakim, Alon ; Scheett, Tim ; Allmendinger, Nicki ; Brasel, Jo Anne ; Cooper, Dan M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c569t-dea34889fcd463d16127436662df7cbec14992421e5a3a2cf734d039dc029bb93</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Biological and medical sciences</topic><topic>Body Height</topic><topic>Body Mass Index</topic><topic>Body Weight</topic><topic>Child</topic><topic>Cross-Sectional Studies</topic><topic>Drinking water</topic><topic>Energy Metabolism</topic><topic>Exercise</topic><topic>Female</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Girls</topic><topic>Heart - physiology</topic><topic>Humans</topic><topic>Lung - physiology</topic><topic>Muscle, Skeletal - anatomy & histology</topic><topic>Muscular system</topic><topic>NMR</topic><topic>Nuclear magnetic resonance</topic><topic>Oxygen Consumption</topic><topic>Physical Education and Training</topic><topic>Physical Endurance</topic><topic>Physical Fitness</topic><topic>Prospective Studies</topic><topic>Reference Values</topic><topic>Respiratory system</topic><topic>Teenagers</topic><topic>Thigh</topic><topic>Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Eliakim, Alon</creatorcontrib><creatorcontrib>Scheett, Tim</creatorcontrib><creatorcontrib>Allmendinger, Nicki</creatorcontrib><creatorcontrib>Brasel, Jo Anne</creatorcontrib><creatorcontrib>Cooper, Dan M</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Physical Education Index</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of applied physiology (1985)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Eliakim, Alon</au><au>Scheett, Tim</au><au>Allmendinger, Nicki</au><au>Brasel, Jo Anne</au><au>Cooper, Dan M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Training, muscle volume, and energy expenditure in nonobese American girls</atitle><jtitle>Journal of applied physiology (1985)</jtitle><addtitle>J Appl Physiol (1985)</addtitle><date>2001-01-01</date><risdate>2001</risdate><volume>90</volume><issue>1</issue><spage>35</spage><epage>44</epage><pages>35-44</pages><issn>8750-7587</issn><eissn>1522-1601</eissn><coden>JAPHEV</coden><abstract><![CDATA[1 Department of Pediatrics, University of California, Irvine
College of Medicine, Orange 92868; 3 Harbor-University of
California Los Angeles Medical Center, Torrance, California 90509;
and 2 Connecticut Children's Medical Center and
Department of Pediatrics, University of Connecticut Health Center,
Farmington, Connecticut 06030
Little is known about the relationship among training,
energy expenditure, muscle volume, and fitness in prepubertal
girls. Because physical activity is high in prepubertal
children, we hypothesized that there would be no effect of training.
Forty pre- and early pubertal (mean age 9.1 ± 0.1 yr) nonobese
girls enrolled in a 5 day/wk summer school program for 5 wk and were randomized to control ( n = 20) or training groups
( n = 20; 1.5 h/day, endurance-type exercise). Total
energy expenditure (TEE) was measured using doubly labeled water, thigh
muscle volume using magnetic resonance imaging, and peak O 2
uptake ( O 2 peak ) using cycle ergometry.
TEE was significantly greater (17%, P < 0.02) in the
training girls. Training increased thigh muscle volume (+4.3 ± 0.9%, P < 0.005) and
O 2 peak (+9.5 ± 6%,
P < 0.05), effects surprisingly similar to those
observed in adolescent girls using the same protocol (Eliakim A,
Barstow TJ, Brasel JA, Ajie H, Lee W-NP, Renslo R, Berman N, and Cooper
DM, J Pediatr 129: 537-543, 1996). We further
compared these two sample populations: thigh muscle volume per weight
was much lower in adolescent compared with prepubertal girls (17.0 ± 0.3 vs. 27.8 ± 0.6 ml/kg body mass; P < 0.001), and allometric analysis revealed remarkably low scaling factors
relating muscle volume (0.34 ± 0.05, P < 0.0001), TEE (0.24 ± 0.06, P < 0.0004), and
O 2 peak (0.28 ± 0.07, P < 0.0001) to body mass in all subjects. Muscle and
cardiorespiratory functions were quite responsive to brief training in
prepubertal girls. Moreover, a retrospective, cross-sectional analysis
suggests that increases in muscle mass and
O 2 peak may be depressed in nonobese
American girls as they mature.
exercise; doubly labeled water; magnetic resonance imaging; oxygen
uptake]]></abstract><cop>Bethesda, MD</cop><pub>Am Physiological Soc</pub><pmid>11133891</pmid><doi>10.1152/jappl.2001.90.1.35</doi><tpages>10</tpages><oa>free_for_read</oa></addata></record> |
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| ispartof | Journal of applied physiology (1985), 2001-01, Vol.90 (1), p.35-44 |
| issn | 8750-7587 1522-1601 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_18143490 |
| source | American Physiological Society:Jisc Collections:American Physiological Society Journals ‘Read Publish & Join’ Agreement:2023-2024 (Reading list); American Physiological Society Free |
| subjects | Biological and medical sciences Body Height Body Mass Index Body Weight Child Cross-Sectional Studies Drinking water Energy Metabolism Exercise Female Fundamental and applied biological sciences. Psychology Girls Heart - physiology Humans Lung - physiology Muscle, Skeletal - anatomy & histology Muscular system NMR Nuclear magnetic resonance Oxygen Consumption Physical Education and Training Physical Endurance Physical Fitness Prospective Studies Reference Values Respiratory system Teenagers Thigh Vertebrates: body movement. Posture. Locomotion. Flight. Swimming. Physical exercise. Rest. Sports |
| title | Training, muscle volume, and energy expenditure in nonobese American girls |
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