Evidence map›Paper›PMID 20195844›Full record

Trial reportOsteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA2011

Dose-response effect of 40 weeks of resistance training on bone mineral density in older adults.

D A Bemben, M G Bemben

Abstract readRandomized Controlled Trial
PubMed Publisher
In one paragraph

Trial report in Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 38 papers, 6 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
38citing papers in PubMed, 6 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

38 citing papers in PubMed, 6 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Effects of different exercise intensity on bone mineral density in adults: a comparative systematic review and meta-analysis.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2022
    Pooled it
  4. Pooled it
  5. Pooled it
  6. Effects of dynamic resistance exercise on bone mineral density in postmenopausal women: a systematic review and meta-analysis with special emphasis on exercise parameters.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2020
    Pooled it
  7. Trial
  8. Trial
  9. Trial
  10. Trial
  11. Trial
  12. Trial
  13. Does frequency of resistance training affect tibial cortical bone density in older women? A randomized controlled trial.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2013
    Trial
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

2 authors.

D A BembenBone Density Research Laboratory, Department of Health and Exercise Science, University of Oklahoma, Norman, OK 73019, USA. dbemben@ou.edu
M G Bemben

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

unlabelledResistance training is becoming popular for maintaining bone health. Previous studies examined high intensity exercise; we compared high and low intensity resistance training performed 2 or 3 days per week in older adults. We found positive bone density responses for the hip and spine for all types of resistance training.

introductionThis study determined the dose-response effect of resistance training on lumbar spine, proximal femur, and total body bone mineral density (BMD) in older men and women (55-74 years).

methodsSubjects included 45 men and 79 women who were assigned to one of the following training groups: 1-high intensity (80% 1RM), 2 days/week (2HI); 2-low intensity (40% 1RM), 2 days/week (2LI); 3-high intensity (80% 1RM), 3 days/week (3HI); and 4-low intensity (40% 1RM), 3 days/week (3LI). Bone scans (dual energy X-ray absorptiometry) were performed at baseline and after 40 weeks of training. Muscular strength (1-repetition maximum) was assessed every 5 weeks.

resultsThere were significant trial (p < 0.05) effects but no significant trial × training group interactions for the BMD sites. Spine, trochanter, and total hip BMD increased from baseline to 40 weeks; however, the total body BMD site decreased in the 3LI group. Men and women exhibited similar improvements for the trochanter and total hip sites but the percent change in the spine tended (p = 0.054) to be higher for men (1.8%) than women (0.4%).

conclusionsThe resistance training programs, regardless of intensity and frequency, were effective in improving BMD of the proximal femur and lumbar spine but not the total body. Both men and women responded similarly for the hip sites but men show a greater response at the lumbar spine than women.

Indexed as

Absorptiometry, PhotonAgedBone DensityEstrogen Replacement TherapyEstrogensFemaleFemurHip JointHumansLumbar VertebraeMaleMiddle AgedOsteoporosisOsteoporosis, PostmenopausalResistance TrainingSex CharacteristicsEstrogens

Identifiers

PMID20195844

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.