Evidence map›Paper›PMID 21508291›Full record

ArticleAmerican journal of physiology. Regulatory, integrative and comparative physiology2011

Sex differences in the modulation of vasomotor sympathetic outflow during static handgrip exercise in healthy young humans.

Sara S Jarvis, Tiffany B VanGundy, M Melyn Galbreath, Shigeki Shibata, Kazunobu Okazaki, Miriam F Reelick, Benjamin D Levine, Qi Fu

Open access · greenAbstract readComparative Study
In one paragraph

Article in American journal of physiology. Regulatory, integrative and comparative physiology, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 75 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
75citing papers in PubMed, 2 pooled it
3.9field-weighted citation impact, top 6% of its field
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

75 citing papers in PubMed, 2 syntheses or guidelines pooled it, 149 citations in OpenAlex.

  1. Pooled it
  2. Pooled it
  3. Trial
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  6. Role of the ovarian cycle on neural cardiovascular control in sleep-deprived women.Journal of applied physiology (Bethesda, Md. : 1985) · 2015
    Trial
  7. Article
  8. Longitudinal changes in cardiovascular and sympathetic neural responses to static handgrip exercise throughout pregnancy.American journal of physiology. Regulatory, integrative and comparative physiology · 2025
    Article
  9. Article
  10. Review
  11. Maintained sympathetic reactivity but blunted pressor response to static handgrip exercise in heart failure with preserved ejection fraction.Clinical autonomic research : official journal of the Clinical Autonomic Research Society · 2025
    Article
  12. Review
  13. Article
  14. Article
  15. Article
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  17. Article
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  20. Differential regulation of sympathetic neural burst frequency and amplitude throughout normal pregnancy: a longitudinal study.American journal of physiology. Regulatory, integrative and comparative physiology · 2023
    Article

15 more citing papers are in PubMed but not listed here.

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

8 authors at 3 institutions in 1 country.

Sara S JarvisInstitute for Exercise and Environmental Medicine, 7232 Greenville Ave., Suite 435, Dallas, TX 75231, USA.
Tiffany B VanGundy
M Melyn Galbreath
Shigeki Shibata
Kazunobu Okazaki
Miriam F Reelick
Benjamin D Levine
Qi Fu
Institute for Exercise and Environmental Medicine · USPresbyterian Hospital · USThe University of Texas Southwestern Medical Center · US

Funding

XU 40468 IN HYPERCHOLESTEROLEMIAM01RR000633 · NCRR · UT SOUTHWESTERN MEDICAL CENTER · PI RAO, UMA · 1985 to 2007
$21.0M
Gender &orthostatic intolerance: mechanisms and therapyK23HL075283 · NHLBI · UT SOUTHWESTERN MEDICAL CENTER · PI FU, QI · 2004 to 2008
$622k
NCI NIH HHS CA00701NCRR NIH HHS RR-00633NHLBI NIH HHS K23 HL-075283
6 · The paper itself

Abstract

Sex differences in sympathetic neural control during static exercise in humans are few and the findings are inconsistent. We hypothesized women would have an attenuated vasomotor sympathetic response to static exercise, which would be further reduced during the high sex hormone [midluteal (ML)] vs. the low hormone phase [early follicular (EF)]. We measured heart rate (HR), blood pressure (BP), and muscle sympathetic nerve activity (MSNA) in 11 women and 10 men during a cold pressor test (CPT) and static handgrip to fatigue with 2 min of postexercise circulatory arrest (PECA). HR increased during handgrip, reached its peak at fatigue, and was comparable between sexes. BP increased during handgrip and PECA where men had larger increases from baseline. Mean ± SD MSNA burst frequency (BF) during handgrip and PECA was lower in women (EF, P < 0.05), as was ΔMSNA-BF smaller (main effect, both P < 0.01). ΔTotal activity was higher in men at fatigue (EF: 632 ± 418 vs. ML: 598 ± 342 vs. men: 1,025 ± 416 a.u./min, P < 0.001 for EF and ML vs. men) and during PECA (EF: 354 ± 321 vs. ML: 341 ± 199 vs. men: 599 ± 327 a.u./min, P < 0.05 for EF and ML vs. men). During CPT, HR and MSNA responses were similar between sexes and hormone phases, confirming that central integration and the sympathetic efferent pathway was comparable between the sexes and across hormone phases. Women demonstrated a blunted metaboreflex, unaffected by sex hormones, which may be due to differences in muscle mass or fiber type and, therefore, metabolic stimulation of group IV afferents.

Indexed as

AdultBlood PressureCardiovascular Physiological PhenomenaEstrogensExerciseFatigueFemaleHand StrengthHeart RateHumansMaleMenstrual CycleProgesteroneSympathetic Nervous SystemVasomotor SystemEstrogensProgesterone

Identifiers

PMID21508291
PMCPMC3129874
OpenAlexW2112026707

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.