Evidence map›Paper›PMID 37001335›Full record

Observational studyPhysical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine2023

The effect of trunk and shank position on the hip-to-knee moment ratio in a bilateral squat.

Kerri A Graber, Anne L Halverstadt, Simone V Gill, Varsha S Kulkarni, Cara L Lewis

Abstract readObservational Study
In one paragraph

Observational study in Physical therapy in sport : official journal of the Association of Chartered Physiotherapists in Sports Medicine, 2023. 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

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

3 citing papers in PubMed.

  1. Trial
  2. Article
  3. 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

5 authors.

Kerri A GraberDepartment of Physical Therapy, Boston University College of Health and Rehabilitation Sciences: Sargent College, 635 Commonwealth Avenue, Boston, MA, 02215, United States.
Anne L HalverstadtDepartment of Physical Therapy, Boston University College of Health and Rehabilitation Sciences: Sargent College, 635 Commonwealth Avenue, Boston, MA, 02215, United States.
Simone V GillDepartment of Occupational Therapy, Boston University College of Health and Rehabilitation Sciences: Sargent College, 635 Commonwealth Avenue, Boston, MA, 02215, United States.
Varsha S KulkarniDepartment of Mathematics and Statistics, Boston University College of Arts and Sciences, Boston, MA, 02215, United States.
Cara L LewisDepartment of Physical Therapy, Boston University College of Health and Rehabilitation Sciences: Sargent College, 635 Commonwealth Avenue, Boston, MA, 02215, United States. Electronic address: lewisc@bu.edu.

Funding

Effect of femoroacetabular impingement (FAI) on hip motion in young adultsK23AR063235 · NIAMS · BOSTON UNIVERSITY (CHARLES RIVER CAMPUS) · PI LEWIS, CARA L · 2013 to 2017
$711k
Sex-specific movement differences in young adults with and without hip painR21AR061690 · NIAMS · BOSTON UNIVERSITY (CHARLES RIVER CAMPUS) · PI LEWIS, CARA L · 2012 to 2013
$394k
NIAMS NIH HHS K23 AR063235NIAMS NIH HHS R21 AR061690
6 · The paper itself

Abstract

objectivesThe effect of knee position on joint moments during squats has been studied; however, the effect of trunk angle has been less well investigated. This study evaluated the effect of both trunk and knee sagittal plane position on the distribution of moments between the hip and knee extensors during the bilateral squat.

designObservational study.

settingBiomechanics laboratory.

participantsOne hundred individuals performed bilateral squats.

main outcome measuresMotion and force data were collected using motion capture and force plates. Trunk and shank angles and hip and knee moments were calculated. A linear regression was used to associate the ratio between the hip and knee moments (hip-to-knee moment ratio) with the sagittal plane trunk and shank angles, while accounting for six squat depths (between 60° and 110° of knee flexion) and side.

resultsTrunk angle and shank angle each contributed to the hip-to-knee moment ratio (P < .001) with trunk accounting for a higher proportion of variance than the other variables. The hip-to-knee moment ratio increased with increasing trunk angle and with decreasing shank angle.

conclusionsThis large cohort study supports the use of trunk position to instruct squat technique with the goal of modifying hip and knee moments.

Indexed as

KneeKnee JointBiomechanical PhenomenaCohort StudiesHip JointHumansLegLower ExtremityBiomechanicsJoint momentsKinematicsShank angleTrunk angle

Identifiers

PMID37001335
PMCPMC10518215

What OpenQuestion holds

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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.