Evidence map›Paper›PMID 32879259›Full record

ArticleMagnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine2021

Acute Physiological Response of Lumbar Intervertebral Discs to High-load Deadlift Exercise.

Osamu Yanagisawa, Tomoki Oshikawa, Naoto Matsunaga, Gen Adachi, Koji Kaneoka

Abstract read
In one paragraph

Article in Magnetic resonance in medical sciences : MRMS : an official journal of Japan Society of Magnetic Resonance in Medicine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–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

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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

3 citing papers in PubMed.

  1. Article
  2. Applications of Diffusion-Weighted MRI to the Musculoskeletal System.Journal of magnetic resonance imaging : JMRI · 2024
    Review
  3. Review
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

5 authors.

Osamu YanagisawaFaculty of Business Information Sciences, Jobu University.
Tomoki OshikawaGraduate School of Sport Sciences, Waseda University.
Naoto MatsunagaGeneral Education Core Curriculum Division, Seigakuin University.
Gen AdachiGraduate School of Sport Sciences, Waseda University.
Koji KaneokaFaculty of Sport Sciences, Waseda University.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeWe aimed to evaluate the acute physiological effects of high-load deadlift exercise on the lumbar intervertebral discs using MR diffusion-weighted imaging (DWI).

methodsFifteen volunteers (11 men and 4 women; 23.2 ± 3.3 years) without lumbar intervertebral disc degeneration performed deadlift exercise (70% of 1 repetition maximum, 6 repetitions, 5 sets, 90 s rest between sets) using a Smith machine. Sagittal MR diffusion-weighted images of the lumbar intervertebral discs were obtained using a 1.5-Tesla MR system with a spine coil before and immediately after the exercise. We calculated apparent diffusion coefficient (ADC; an index of water movement) of the nucleus pulposus from diffusion weighted images at all lumbar intervertebral discs (L1/2 through L5/S1).

resultsAll lumbar intervertebral discs showed significantly decreased ADC values immediately after deadlift exercise (L1/2, -2.8%; L2/3, -2.1%; L3/4, -2.8%; L4/5, -4.9%; L5/S1, -6.2%; P < 0.01). In addition, the rate of ADC decrease of the L5/S1 disc was significantly greater than those of the L1/2 (P = 0.017), L2/3 (P < 0.01), and L3/4 (P = 0.02) discs.

conclusionThe movement of water molecules within the lumbar intervertebral discs is suppressed by high-load deadlift exercise, which would be attributed to mechanical stress on the lumbar intervertebral discs during deadlift exercise. In particular, the L5/S1 disc is subjected to greater mechanical stress than the other lumbar intervertebral discs.

Indexed as

Intervertebral DiscIntervertebral Disc DegenerationDiffusion Magnetic Resonance ImagingExerciseFemaleHumansLumbar VertebraeMagnetic Resonance ImagingMaleintradiscal water movementliftinglumbar spinemagnetic resonance diffusion-weighted imagemechanical stress

Identifiers

PMID32879259
PMCPMC8424024

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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.