Maintaining femoral bone density in adults: how many steps per day are enough?
Summary The amount and intensity of walking to maintain a healthy skeleton is unknown. This study examined the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance. Our results suggest a gender,...
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| Veröffentlicht in: | Osteoporosis international 2011-12, Vol.22 (12), p.2981-2988 |
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| creator | Boyer, Katherine A. Kiratli, B. Jenny Andriacchi, Thomas P. Beaupre, Gary S. |
| description | Summary
The amount and intensity of walking to maintain a healthy skeleton is unknown. This study examined the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance. Our results suggest a gender, weight, and speed sensitivity of walking interventions.
Introduction
Walking has been extensively promoted for the prevention of osteoporosis. The amount and intensity of walking to maintain a healthy skeleton is unknown and evidence to support a specific target of steps per day is lacking. The goal of our study was to examine the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance.
Methods
Habitual walking activity and total femur BMD were measured in 105 individuals (49–64 years). An index of cumulative loading (bone density index, BDI) was examined as a predictor of BMD. The BDI–BMD relationship was used to predict the steps per day to maintain healthy BMD values for a range of body weights (BW) and walking speeds.
Results
For females but not for males, BDI was correlated with BMD (
r
2
= 0.19,
p
|
| doi_str_mv | 10.1007/s00198-011-1538-9 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_926903094</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2509157231</sourcerecordid><originalsourceid>FETCH-LOGICAL-c432t-3e5f1ca2c92777c14b1f337a163e326865190652c61ffd44442e9092b11d2043</originalsourceid><addsrcrecordid>eNqN0U1r3DAQBmBRGprttj-glyIKoScnM5JsWb2UEvoR2LSXHHoTWnm8cbDlrWRT9t9Hy267UChEIHTQM6MRL2NvEC4RQF8lADR1AYgFlrIuzDO2QCVlIUxVPmcLMFIXRuHPc_YypQfINcboF-xcoMRaKViw77euC1PeXdjwloYxup6vx0C8oZC6ace7wF0z91P6wO_H33xwYcfTRNvEtxR543bcReIUxnlz__EVO2tdn-j18Vyyuy-f766_FasfX2-uP60Kr6SYCklli94Jb4TW2qNaYyuldlhJkqKqqxINVKXwFbZto_ISZMCINWIjQMkle39ou43jr5nSZIcueep7F2ickzWiMiDBPEGCguwUZPnuH_kwzjHkX2QklSlrXWWEB-TjmFKk1m5jN7i4swh2n4k9ZGJzJnafiTW55u2x8bweqPlb8SeEDC6OwCXv-ja64Lt0ckrnKZXIThxcyldhQ_E04f9ffwSXOaDQ</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>903495876</pqid></control><display><type>article</type><title>Maintaining femoral bone density in adults: how many steps per day are enough?</title><source>MEDLINE</source><source>SpringerNature Journals</source><creator>Boyer, Katherine A. ; Kiratli, B. Jenny ; Andriacchi, Thomas P. ; Beaupre, Gary S.</creator><creatorcontrib>Boyer, Katherine A. ; Kiratli, B. Jenny ; Andriacchi, Thomas P. ; Beaupre, Gary S.</creatorcontrib><description>Summary
The amount and intensity of walking to maintain a healthy skeleton is unknown. This study examined the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance. Our results suggest a gender, weight, and speed sensitivity of walking interventions.
Introduction
Walking has been extensively promoted for the prevention of osteoporosis. The amount and intensity of walking to maintain a healthy skeleton is unknown and evidence to support a specific target of steps per day is lacking. The goal of our study was to examine the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance.
Methods
Habitual walking activity and total femur BMD were measured in 105 individuals (49–64 years). An index of cumulative loading (bone density index, BDI) was examined as a predictor of BMD. The BDI–BMD relationship was used to predict the steps per day to maintain healthy BMD values for a range of body weights (BW) and walking speeds.
Results
For females but not for males, BDI was correlated with BMD (
r
2
= 0.19,
p
< 0.001). The total required steps per day to maintain a
T
-score of −1.0 for a female with the average BW of the study cohort, walking at 1.00 m/s is 4,892 steps/day. Substantially more steps (18,568 steps/day) are required for a female with a BW 20% lighter than the average for our female cohort. For these lighter females, only at a walking speed greater than 1.32 m/s was 10,000 steps/day sufficient to maintain a
T
-score of −1.0.
Conclusions
Our results suggest a gender, weight, and speed sensitivity of walking interventions for osteoporosis. In persons of low BW, the necessary steps per day to maintain BMD can be substantially greater than the often-quoted 10,000 steps.</description><identifier>ISSN: 0937-941X</identifier><identifier>EISSN: 1433-2965</identifier><identifier>DOI: 10.1007/s00198-011-1538-9</identifier><identifier>PMID: 21318440</identifier><language>eng</language><publisher>London: Springer-Verlag</publisher><subject>Absorptiometry, Photon ; Biological and medical sciences ; Body Weight ; Bone density ; Bone Density - physiology ; Bone mineral density ; Cross-Sectional Studies ; Diseases of the osteoarticular system ; Endocrinology ; Female ; Femur ; Femur - diagnostic imaging ; Femur - physiology ; Fractures ; Humans ; Investigative techniques, diagnostic techniques (general aspects) ; Leisure Activities ; Loading ; Male ; Medical sciences ; Medicine ; Medicine & Public Health ; Middle Aged ; Original Article ; Orthopedics ; Osteoarticular system. Muscles ; Osteoporosis ; Osteoporosis. Osteomalacia. Paget disease ; Prevention ; Radiodiagnosis. Nmr imagery. Nmr spectrometry ; Rheumatology ; Sex Factors ; Skeleton ; Walking ; Walking - statistics & numerical data</subject><ispartof>Osteoporosis international, 2011-12, Vol.22 (12), p.2981-2988</ispartof><rights>International Osteoporosis Foundation and National Osteoporosis Foundation 2011</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c432t-3e5f1ca2c92777c14b1f337a163e326865190652c61ffd44442e9092b11d2043</citedby><cites>FETCH-LOGICAL-c432t-3e5f1ca2c92777c14b1f337a163e326865190652c61ffd44442e9092b11d2043</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s00198-011-1538-9$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s00198-011-1538-9$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>315,782,786,27931,27932,41495,42564,51326</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24790442$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21318440$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Boyer, Katherine A.</creatorcontrib><creatorcontrib>Kiratli, B. Jenny</creatorcontrib><creatorcontrib>Andriacchi, Thomas P.</creatorcontrib><creatorcontrib>Beaupre, Gary S.</creatorcontrib><title>Maintaining femoral bone density in adults: how many steps per day are enough?</title><title>Osteoporosis international</title><addtitle>Osteoporos Int</addtitle><addtitle>Osteoporos Int</addtitle><description>Summary
The amount and intensity of walking to maintain a healthy skeleton is unknown. This study examined the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance. Our results suggest a gender, weight, and speed sensitivity of walking interventions.
Introduction
Walking has been extensively promoted for the prevention of osteoporosis. The amount and intensity of walking to maintain a healthy skeleton is unknown and evidence to support a specific target of steps per day is lacking. The goal of our study was to examine the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance.
Methods
Habitual walking activity and total femur BMD were measured in 105 individuals (49–64 years). An index of cumulative loading (bone density index, BDI) was examined as a predictor of BMD. The BDI–BMD relationship was used to predict the steps per day to maintain healthy BMD values for a range of body weights (BW) and walking speeds.
Results
For females but not for males, BDI was correlated with BMD (
r
2
= 0.19,
p
< 0.001). The total required steps per day to maintain a
T
-score of −1.0 for a female with the average BW of the study cohort, walking at 1.00 m/s is 4,892 steps/day. Substantially more steps (18,568 steps/day) are required for a female with a BW 20% lighter than the average for our female cohort. For these lighter females, only at a walking speed greater than 1.32 m/s was 10,000 steps/day sufficient to maintain a
T
-score of −1.0.
Conclusions
Our results suggest a gender, weight, and speed sensitivity of walking interventions for osteoporosis. In persons of low BW, the necessary steps per day to maintain BMD can be substantially greater than the often-quoted 10,000 steps.</description><subject>Absorptiometry, Photon</subject><subject>Biological and medical sciences</subject><subject>Body Weight</subject><subject>Bone density</subject><subject>Bone Density - physiology</subject><subject>Bone mineral density</subject><subject>Cross-Sectional Studies</subject><subject>Diseases of the osteoarticular system</subject><subject>Endocrinology</subject><subject>Female</subject><subject>Femur</subject><subject>Femur - diagnostic imaging</subject><subject>Femur - physiology</subject><subject>Fractures</subject><subject>Humans</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Leisure Activities</subject><subject>Loading</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Medicine</subject><subject>Medicine & Public Health</subject><subject>Middle Aged</subject><subject>Original Article</subject><subject>Orthopedics</subject><subject>Osteoarticular system. Muscles</subject><subject>Osteoporosis</subject><subject>Osteoporosis. Osteomalacia. Paget disease</subject><subject>Prevention</subject><subject>Radiodiagnosis. Nmr imagery. Nmr spectrometry</subject><subject>Rheumatology</subject><subject>Sex Factors</subject><subject>Skeleton</subject><subject>Walking</subject><subject>Walking - statistics & numerical data</subject><issn>0937-941X</issn><issn>1433-2965</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><recordid>eNqN0U1r3DAQBmBRGprttj-glyIKoScnM5JsWb2UEvoR2LSXHHoTWnm8cbDlrWRT9t9Hy267UChEIHTQM6MRL2NvEC4RQF8lADR1AYgFlrIuzDO2QCVlIUxVPmcLMFIXRuHPc_YypQfINcboF-xcoMRaKViw77euC1PeXdjwloYxup6vx0C8oZC6ace7wF0z91P6wO_H33xwYcfTRNvEtxR543bcReIUxnlz__EVO2tdn-j18Vyyuy-f766_FasfX2-uP60Kr6SYCklli94Jb4TW2qNaYyuldlhJkqKqqxINVKXwFbZto_ISZMCINWIjQMkle39ou43jr5nSZIcueep7F2ickzWiMiDBPEGCguwUZPnuH_kwzjHkX2QklSlrXWWEB-TjmFKk1m5jN7i4swh2n4k9ZGJzJnafiTW55u2x8bweqPlb8SeEDC6OwCXv-ja64Lt0ckrnKZXIThxcyldhQ_E04f9ffwSXOaDQ</recordid><startdate>20111201</startdate><enddate>20111201</enddate><creator>Boyer, Katherine A.</creator><creator>Kiratli, B. Jenny</creator><creator>Andriacchi, Thomas P.</creator><creator>Beaupre, Gary S.</creator><general>Springer-Verlag</general><general>Springer</general><general>Springer Nature B.V</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>3V.</scope><scope>7QP</scope><scope>7RV</scope><scope>7TS</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8AO</scope><scope>8C1</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope></search><sort><creationdate>20111201</creationdate><title>Maintaining femoral bone density in adults: how many steps per day are enough?</title><author>Boyer, Katherine A. ; Kiratli, B. Jenny ; Andriacchi, Thomas P. ; Beaupre, Gary S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c432t-3e5f1ca2c92777c14b1f337a163e326865190652c61ffd44442e9092b11d2043</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Absorptiometry, Photon</topic><topic>Biological and medical sciences</topic><topic>Body Weight</topic><topic>Bone density</topic><topic>Bone Density - physiology</topic><topic>Bone mineral density</topic><topic>Cross-Sectional Studies</topic><topic>Diseases of the osteoarticular system</topic><topic>Endocrinology</topic><topic>Female</topic><topic>Femur</topic><topic>Femur - diagnostic imaging</topic><topic>Femur - physiology</topic><topic>Fractures</topic><topic>Humans</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Leisure Activities</topic><topic>Loading</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Medicine</topic><topic>Medicine & Public Health</topic><topic>Middle Aged</topic><topic>Original Article</topic><topic>Orthopedics</topic><topic>Osteoarticular system. Muscles</topic><topic>Osteoporosis</topic><topic>Osteoporosis. Osteomalacia. Paget disease</topic><topic>Prevention</topic><topic>Radiodiagnosis. Nmr imagery. Nmr spectrometry</topic><topic>Rheumatology</topic><topic>Sex Factors</topic><topic>Skeleton</topic><topic>Walking</topic><topic>Walking - statistics & numerical data</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Boyer, Katherine A.</creatorcontrib><creatorcontrib>Kiratli, B. Jenny</creatorcontrib><creatorcontrib>Andriacchi, Thomas P.</creatorcontrib><creatorcontrib>Beaupre, Gary S.</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>ProQuest Central (Corporate)</collection><collection>Calcium & Calcified Tissue Abstracts</collection><collection>Nursing & Allied Health Database</collection><collection>Physical Education Index</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><jtitle>Osteoporosis international</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Boyer, Katherine A.</au><au>Kiratli, B. Jenny</au><au>Andriacchi, Thomas P.</au><au>Beaupre, Gary S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Maintaining femoral bone density in adults: how many steps per day are enough?</atitle><jtitle>Osteoporosis international</jtitle><stitle>Osteoporos Int</stitle><addtitle>Osteoporos Int</addtitle><date>2011-12-01</date><risdate>2011</risdate><volume>22</volume><issue>12</issue><spage>2981</spage><epage>2988</epage><pages>2981-2988</pages><issn>0937-941X</issn><eissn>1433-2965</eissn><abstract>Summary
The amount and intensity of walking to maintain a healthy skeleton is unknown. This study examined the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance. Our results suggest a gender, weight, and speed sensitivity of walking interventions.
Introduction
Walking has been extensively promoted for the prevention of osteoporosis. The amount and intensity of walking to maintain a healthy skeleton is unknown and evidence to support a specific target of steps per day is lacking. The goal of our study was to examine the relationship between habitual walking activity and femoral bone mineral density (BMD) in healthy individuals using a quantitative theory for bone maintenance.
Methods
Habitual walking activity and total femur BMD were measured in 105 individuals (49–64 years). An index of cumulative loading (bone density index, BDI) was examined as a predictor of BMD. The BDI–BMD relationship was used to predict the steps per day to maintain healthy BMD values for a range of body weights (BW) and walking speeds.
Results
For females but not for males, BDI was correlated with BMD (
r
2
= 0.19,
p
< 0.001). The total required steps per day to maintain a
T
-score of −1.0 for a female with the average BW of the study cohort, walking at 1.00 m/s is 4,892 steps/day. Substantially more steps (18,568 steps/day) are required for a female with a BW 20% lighter than the average for our female cohort. For these lighter females, only at a walking speed greater than 1.32 m/s was 10,000 steps/day sufficient to maintain a
T
-score of −1.0.
Conclusions
Our results suggest a gender, weight, and speed sensitivity of walking interventions for osteoporosis. In persons of low BW, the necessary steps per day to maintain BMD can be substantially greater than the often-quoted 10,000 steps.</abstract><cop>London</cop><pub>Springer-Verlag</pub><pmid>21318440</pmid><doi>10.1007/s00198-011-1538-9</doi><tpages>8</tpages></addata></record> |
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| ispartof | Osteoporosis international, 2011-12, Vol.22 (12), p.2981-2988 |
| issn | 0937-941X 1433-2965 |
| language | eng |
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| source | MEDLINE; SpringerNature Journals |
| subjects | Absorptiometry, Photon Biological and medical sciences Body Weight Bone density Bone Density - physiology Bone mineral density Cross-Sectional Studies Diseases of the osteoarticular system Endocrinology Female Femur Femur - diagnostic imaging Femur - physiology Fractures Humans Investigative techniques, diagnostic techniques (general aspects) Leisure Activities Loading Male Medical sciences Medicine Medicine & Public Health Middle Aged Original Article Orthopedics Osteoarticular system. Muscles Osteoporosis Osteoporosis. Osteomalacia. Paget disease Prevention Radiodiagnosis. Nmr imagery. Nmr spectrometry Rheumatology Sex Factors Skeleton Walking Walking - statistics & numerical data |
| title | Maintaining femoral bone density in adults: how many steps per day are enough? |
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