Evidence map›Paper›PMID 41199399›Full record

ArticleEquine veterinary journal2026

Quantitative assessment of gait alterations and variability in sulky-driven Standardbred trotters after a standardised exercise test.

Rhana Mackie Aarts, Ineke Hillie Smit, Guilherme de Camargo Ferraz, Marie Rhodin, Filipe Manuel Serra Braganca, Elin Hernlund

Abstract read
In one paragraph

Article in Equine veterinary journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

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

1 citing paper in PubMed.

  1. 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

6 authors.

Rhana Mackie AartsDepartment of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.ORCID https://orcid.org/0009-0000-9058-465X
Ineke Hillie SmitDepartment of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.ORCID https://orcid.org/0000-0002-9269-9634
Guilherme de Camargo FerrazDepartment of Animal Morphology and Physiology, School of Agrarian and Veterinary Sciences, Equine Exercise Physiology and Pharmacology Laboratory (LAFEQ), Jaboticabal, Brazil.ORCID https://orcid.org/0000-0002-6463-6628
Marie RhodinDepartment of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden.ORCID https://orcid.org/0000-0003-0575-2765
Filipe Manuel Serra BragancaDepartment of Clinical Sciences, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands.ORCID https://orcid.org/0000-0001-8514-7949
Elin HernlundDepartment of Anatomy, Physiology and Biochemistry, Swedish University of Agricultural Sciences, Uppsala, Sweden.ORCID https://orcid.org/0000-0002-5769-3958

Funding

Eurostars E114697Fundação de Amparo à Pesquisa do Estado de São Paulo 2022/16436-1
6 · The paper itself

Abstract

backgroundAssessment of equine metabolic and locomotory responses to quantified levels of physical exercise is needed to support the creation of tailored protocols for optimal training adaptation. The locomotory response to exercise in horses is not fully understood.

objectivesTo investigate the effect of a standardised exercise test (SET) on upper-body and limb kinematics and stride-to-stride variability in Standardbred Warmblood trotters. STUDY

designExperimental repeated-measures field study.

methodsThirteen Standardbred trotters, equipped with nine inertial measurement units (IMUs), performed an incremental SET on an oval track. Heart rate and lactate data were collected to identify internal workload. Two 30-s segments of jog on the straight (at the beginning and at the end of the SET) were used for statistical analysis of the effect of the SET on locomotion parameters.

resultsUpper-body kinematics revealed a decrease in head and withers range of motion (ROM; -12.3 mm; p = 0.04 and -8.5 mm; p = 0.01, respectively). Front limb sagittal ROM (16.1°; p = 0.001) increased explained by increased maximal protraction and retraction (6.9°, p = 0.002 and 9.1°, p = 0.002, respectively). Stride-to-stride variability (i.e., coefficient of variation) was reduced for stride duration (-0.7%; p = 0.01), front limb sagittal ROM (-7.3%; p = 0.04), front limb maximal protraction (-6.9%; p = 0.01) and maximal retraction (-7.4%; p = 0.03). No effects were found on sagittal hindlimb angles and none of the absolute asymmetry parameters changed (p > 0.05). MAIN LIMITATIONS: Horses were of different ages and training statuses, and full orthopaedic examinations were not performed.

conclusionsSeveral kinematic parameters were affected by the SET. Head and withers ROM were reduced, while front limb sagittal ROM increased. Stride-to-stride variability showed a decrease. The results indicate that exercise in Standardbred trotters produces both a metabolic and locomotory response. Additionally, these findings highlight the efficacy of IMUs as a non-invasive tool for detecting exercise-induced changes in limb and upper-body kinematics.

Indexed as

Exercise TestGaitPhysical Conditioning, AnimalAnimalsBiomechanical PhenomenaFemaleHorsesMalefatiguegait analysishorseinertial measurement unitskinematics

Identifiers

PMID41199399
PMCPMC13447873

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC
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.