Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.

Patellofemoral Pain (PFP) is highly prevalent among adults and adolescents. Localized mechanical hyperalgesia around the knee and tibialis anterior have been observed in people with PFP, but limited knowledge of potential manifestations of central sensitisation exists. The aims of this study were to...

Full description

Bibliographic Details
Main Authors: Michael Skovdal Rathleff, Camilla Rams Rathleff, Aoife Stephenson, Rebecca Mellor, Mark Matthews, Kay Crossley, Bill Vicenzino
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2017-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC5722372?pdf=render
_version_ 1819177758095310848
author Michael Skovdal Rathleff
Camilla Rams Rathleff
Aoife Stephenson
Rebecca Mellor
Mark Matthews
Kay Crossley
Bill Vicenzino
author_facet Michael Skovdal Rathleff
Camilla Rams Rathleff
Aoife Stephenson
Rebecca Mellor
Mark Matthews
Kay Crossley
Bill Vicenzino
author_sort Michael Skovdal Rathleff
collection DOAJ
description Patellofemoral Pain (PFP) is highly prevalent among adults and adolescents. Localized mechanical hyperalgesia around the knee and tibialis anterior have been observed in people with PFP, but limited knowledge of potential manifestations of central sensitisation exists. The aims of this study were to study conditioned pain modulation (CPM) and wide-spread hyperalgesia in adults with PFP. This assessor-blinded cross-sectional study design compared CPM and mechanical pressure pain thresholds (PPT) between 33 adults (23 females) diagnosed with PFP and 32 age and sex matched pain-free controls. The investigator taking the PPT measurements was blinded to which participants had PFP. PPTs were reliably measured using a Somedic hand-held pressure algometer at three sites: 1) The centre of the patella, 2) the tibialis anterior muscle and 3) a remote site on the lateral epicondyle. For the assessment of CPM, experimental pain was induced to the contralateral hand by immersion into a cold water bath (conditioning stimulus), and assessment of PPTs (the test stimulus) was performed before and immediately after the conditioning stimulation. On average, the CPM paradigm induced a significant increase in PPTs across the three sites (6.3-13.5%, P<0.05), however there was no difference in CPM between young adults with PFP compared to the control group, (F(1,189) = 0.39, P = 0.89). There was no difference in mechanical PPTs between the two groups (F(1,189) = 0.03, P = 0.86). Contrary to our a-priori hypothesis, we found no difference in CPM or PPT between young adults with PFP and age and sex matched pain-free controls.
first_indexed 2024-12-22T21:31:44Z
format Article
id doaj.art-8cef41ab3ec14c96a683dc68f0137f97
institution Directory Open Access Journal
issn 1932-6203
language English
last_indexed 2024-12-22T21:31:44Z
publishDate 2017-01-01
publisher Public Library of Science (PLoS)
record_format Article
series PLoS ONE
spelling doaj.art-8cef41ab3ec14c96a683dc68f0137f972022-12-21T18:11:54ZengPublic Library of Science (PLoS)PLoS ONE1932-62032017-01-011212e018893010.1371/journal.pone.0188930Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.Michael Skovdal RathleffCamilla Rams RathleffAoife StephensonRebecca MellorMark MatthewsKay CrossleyBill VicenzinoPatellofemoral Pain (PFP) is highly prevalent among adults and adolescents. Localized mechanical hyperalgesia around the knee and tibialis anterior have been observed in people with PFP, but limited knowledge of potential manifestations of central sensitisation exists. The aims of this study were to study conditioned pain modulation (CPM) and wide-spread hyperalgesia in adults with PFP. This assessor-blinded cross-sectional study design compared CPM and mechanical pressure pain thresholds (PPT) between 33 adults (23 females) diagnosed with PFP and 32 age and sex matched pain-free controls. The investigator taking the PPT measurements was blinded to which participants had PFP. PPTs were reliably measured using a Somedic hand-held pressure algometer at three sites: 1) The centre of the patella, 2) the tibialis anterior muscle and 3) a remote site on the lateral epicondyle. For the assessment of CPM, experimental pain was induced to the contralateral hand by immersion into a cold water bath (conditioning stimulus), and assessment of PPTs (the test stimulus) was performed before and immediately after the conditioning stimulation. On average, the CPM paradigm induced a significant increase in PPTs across the three sites (6.3-13.5%, P<0.05), however there was no difference in CPM between young adults with PFP compared to the control group, (F(1,189) = 0.39, P = 0.89). There was no difference in mechanical PPTs between the two groups (F(1,189) = 0.03, P = 0.86). Contrary to our a-priori hypothesis, we found no difference in CPM or PPT between young adults with PFP and age and sex matched pain-free controls.http://europepmc.org/articles/PMC5722372?pdf=render
spellingShingle Michael Skovdal Rathleff
Camilla Rams Rathleff
Aoife Stephenson
Rebecca Mellor
Mark Matthews
Kay Crossley
Bill Vicenzino
Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.
PLoS ONE
title Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.
title_full Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.
title_fullStr Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.
title_full_unstemmed Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.
title_short Adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain-free age and sex matched controls - An assessor blinded cross-sectional study.
title_sort adults with patellofemoral pain do not exhibit manifestations of peripheral and central sensitization when compared to healthy pain free age and sex matched controls an assessor blinded cross sectional study
url http://europepmc.org/articles/PMC5722372?pdf=render
work_keys_str_mv AT michaelskovdalrathleff adultswithpatellofemoralpaindonotexhibitmanifestationsofperipheralandcentralsensitizationwhencomparedtohealthypainfreeageandsexmatchedcontrolsanassessorblindedcrosssectionalstudy
AT camillaramsrathleff adultswithpatellofemoralpaindonotexhibitmanifestationsofperipheralandcentralsensitizationwhencomparedtohealthypainfreeageandsexmatchedcontrolsanassessorblindedcrosssectionalstudy
AT aoifestephenson adultswithpatellofemoralpaindonotexhibitmanifestationsofperipheralandcentralsensitizationwhencomparedtohealthypainfreeageandsexmatchedcontrolsanassessorblindedcrosssectionalstudy
AT rebeccamellor adultswithpatellofemoralpaindonotexhibitmanifestationsofperipheralandcentralsensitizationwhencomparedtohealthypainfreeageandsexmatchedcontrolsanassessorblindedcrosssectionalstudy
AT markmatthews adultswithpatellofemoralpaindonotexhibitmanifestationsofperipheralandcentralsensitizationwhencomparedtohealthypainfreeageandsexmatchedcontrolsanassessorblindedcrosssectionalstudy
AT kaycrossley adultswithpatellofemoralpaindonotexhibitmanifestationsofperipheralandcentralsensitizationwhencomparedtohealthypainfreeageandsexmatchedcontrolsanassessorblindedcrosssectionalstudy
AT billvicenzino adultswithpatellofemoralpaindonotexhibitmanifestationsofperipheralandcentralsensitizationwhencomparedtohealthypainfreeageandsexmatchedcontrolsanassessorblindedcrosssectionalstudy