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Investigation of thoracic spine kinematics in adult sports participants with chronic groin pain during a single leg drop landing taskMorris, Tracy Louise 04 1900 (has links)
Thesis (MScPhysio)--Stellenbosch University, 2014. / ENGLISH ABSTRACT: Chronic groin pain is widespread across many sporting disciplines. The aim of our
research was to determine if there are kinematic differences of the thoracic spine in
active sports people with chronic groin pain, compared with healthy controls. A
cross-sectional descriptive design was followed. Participants were required to
complete six single leg drop landings with each leg from a 20cm height.
The study was done in the 3D Movement Analysis Laboratory at the University of
Stellenbosch. Ten male participants with unilateral or bilateral chronic groin pain of
more than 3 months duration and 10 asymptomatic males, matched for age and
sports participation, were recruited.
The main outcome measures were: thoracic spine angle at initial foot contact,
maximum thoracic spine angle, range of movement (ROM) (difference between the
minimum and maximum values) and thoracic spine angle at lowest vertical point of
the pelvis. This was assessed in all 3 movement planes: the sagittal plane (X plane),
the coronal plane (Y plane) and the transverse plane (Z plane). The results of our study showed that for the unilaterally affected groin pain group, the
cases landed in significantly more thoracic flexion (P<0.001 with large effect size)
and were in significantly more thoracic flexion still at the lowest point. Peak thoracic
flexion was significantly more in the cases than the controls. (P<0.001 with medium
effect size) The same was true for the bilaterally affected group when landing on the
most painful side, although this was not statistically significant. There were no
significant differences in the frontal or transverse planes. In the bilaterally painful
group, axial rotation ROM was significantly reduced when landing on either leg
(worst affected side: P=0.040 with medium effect size and least affected side: p=0.006 with large effect size). The same occurred in the unilaterally affected group,
although this was not statistically significant.
Our study suggests that, in participants with chronic groin pain, there is greater
thoracic forward flexion away from neutral during landing and that total axial rotation
ROM during landing is diminished. / AFRIKAANSE OPSOMMING: Kroniese liespyn kom dikwels en in verskeie sportsoorte voor. Die doel van ons
studie was om te bepaal of daar kinematiese verskille van die torakale werwelkolom
is in aktiewe sportmense met chroniese liespyn, in vergelyking met gesonde
kontroles. ‘n Dwars-deursnit beskrywende studiemetode is gevolg, en uitgevoer in
die 3D Beweging Analise Laboratorium, Universiteit van Stellenbosch. Deelnemers
moes ses landings op een been doen, met elke been, vanaf 'n 20cm hoogte. Tien
mans met eensydige of bilaterale chroniese liespyn vir langer as 3 maande, en 10
asimptomatiese mans (ooreenstemmende ouderdom en sport deelname) het
deelgeneem. Die hoof uitkomste wat gemeet is, was torakale werwelkolom
krommingshoek by aanvanklike voet-kontak, maksimum torakale werwelkolom
krommingshoek, omvang van beweging (OVB) (verskil tussen die minimum en
maksimum waardes) en torakale werwelkolom krommingshoek by die laagste punt
van die bekken. Dit is beoordeel in al 3 beweging vlakke: die sagittale (X) vlak, die
koronale/frontale (Y) vlak en die transversale (Z) vlak. Die resultate van die studie het getoon dat, in die eensydig-geaffekteerde liespyn
groep, die deelnemers in beduidend meer torakale fleksie geland het(P < 0.001, met
'n groot effekgrootte), asook met aansienlik meer torakale fleksie by die laagste punt
na landing. Piek torakale fleksie was aansienlik meer in die liespyn-gevalle as in die
kontroles. (P < 0.001, met middelmatige effekgrootte ) Dieselfde het vir die bilateraalgeaffekteerde
groep gegeld wanneer hulle op hul mees pynlike kant geland het,
hoewel dit nie statisties beduidend was nie. Daar was geen betekenisvolle verskille
in die frontale of transversale vlakke van beweging nie. In die bilateraal pynlike
groep, was aksiale rotasie OVB aansienlik verminder wanneer die gevalle op hul
pynlikste been óf op hul minder pynlike been geland het ( mees pynlike been : P = 0,040, met 'n middelmatige effekgrootte en minder pynlike been : p = 0,006, met 'n
groot effekgrootte ). Dieselfde het in die eensydig-geaffekteerde groep gebeur,
hoewel dit nie statisties beduidend was nie.
Ons studie dui daarop dat, in deelnemers met chroniese liespyn, daar meer torokale
fleksie weg van neutraal tydens landing is en dat die totale aksiale rotasie OVB
tydens die landing verminder is, in vergelyking met die kontrolegroep.
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Ankle kinematics and ground reaction force during single leg drop landing in sports participants with chronic groin painHarwin, Lauren Sandra 04 1900 (has links)
Thesis (MScPhysio)--Stellenbosch University, 2014. / ENGLISH ABSTRACT: Aims: This study aims to ascertain if there are differences in ankle kinematics and ground reaction force in sports participants with chronic groin pain compared to healthy controls.
Methods: A cross sectional descriptive study design was used. Twenty participants - 10 cases with chronic groin pain and 10 healthy controls participated. The 10 cases included participants with unilateral pain (n=7) and bilateral pain (n=3). For analysis, the bilateral pain group was divided into the most and less painful side. The study was conducted at the FNB 3D Motion Analysis Laboratory, Stellenbosch University. Sagittal plane kinematics and VGRF was analysed during a single leg drop landing.
Results: The group with unilateral groin pain had a higher peak force compared to the matched side of the controls. The bilateral pain groups had less plantarflexion at foot contact (most affected p=<0.001; least affected p=<0.001) and total range of motion (p=<0.05) compared to the control group. The bilaterally injured groin pain groups demonstrated less peak force when compared to controls.
Conclusion: This is the first study to indicate alterations in ankle kinematics and VGRF and that these changes are more apparent in sports participants with bilateral pain. Less range of motion during the landing task illustrated by the bilateral pain group suggests less effective force absorption of the distal segments. In the bilateral groups it suggests that force attenuation may have occurred high up the kinetic chain which may place more strain on the groin. Clinically rehabilitation of the athlete with chronic groin pain should include the distal segments of the lower limb. Further research should be conducted in larger groups. / AFRIKAANSE OPSOMMING: Doelstellings: Hierdie studie poog om vas te stel of daar verskille in enkelbeweging en grondvloer-reaksiekrag is in deelnemers van sport met chroniese liespyn in vergelyking met gesonde kontrole deelnemers.
Metode: ‘n Deursnee beskrywende studieontwerp is gebruik. Twintig deelnemers, 10 gevalle met chroniese liespyn en 10 gesonde kontrole het deelgeneem. Die 10 gevalle het ingesluit deelnemers met eensydige pyn (n=7) en bilaterale pyn (n=3). Vir die analise, is die bilaterale pyngroep verdeel in die mees en mins geaffekteerde kant. Die studie is gedoen by die FNB3D Beweginsanalise-laboratorium, Universiteit van Stellenbosch. Sagitaal-platvlak kinematiek en vertikale reaksiekrag is geanaliseer gedurende ‘n enkele beenlanding.
Resultate: Die groep met eensydige liespyn het ‘n hoër piekkrag gehad in vergelyking met dieselfde kant van die kontrolegroep. Die bilaterale pyngroep het minder plantaarfleksie met voetkontak getoon (mees geaffekteer p=<0.001; minste geaffekteer p=<0.001) en totale beweginsomvang (p=<0.05) in vergelyking met die kontrolegroep. Die bilateraal-liesbeseringsgroep het minder piekkrag getoon in vergelyking met die kontrolegroep.
Gevolgtrekking: Hierdie is die eerste studie om veranderings in enkelbeweging en grondreaksiekrag aan te toon, asook dat hierdie veranderinge meer opvallend is in persone wat aan sport deelneem wat bilaterale pyn ondervind. Verminderde beweginsomvang gedurende die landingstaak deur die bilaterale pyngroep suggereer minder effektiewe kragabsorpsie van die distale segmente. In die bilaterale groep suggereer dit dat kragvermindering waarskynlik hoog op die kinematiese ketting voorgekom het wat weer meer stremming op die lies plaas. Kliniese rehabilitasie van die atleet met chroniese pyn behoort die distale segmente van die onderste ledemaat in te sluit. Verdere navorsing behoort in groter groepe uitgevoer te word.
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Pelvic kinematics during single-leg drop-landing in sports participants with chronic groin painJanse van Rensburg, Lienke 04 1900 (has links)
Thesis (MScPhysio)--Stellenbosch University, 2014. / ENGLISH ABSTRACT: Introduction: Chronic groin injuries are common among athletes and have the potential to lead to chronic and career-ending pain. There is no evidence available whether pelvic kinematics can be perceived as a risk factor in developing chronic groin pain in sport or be the cause of further injuries of the lower quadrant or lumbar spine.
Objective: The purpose of this study was to determine if there are any differences in pelvic kinematics of active sports participants with chronic groin pain compared to healthy controls during a single-leg drop-landing.
Methodology: A descriptive study was conducted. The three-dimensional (3D) pelvic kinematics of ten cases with chronic groin pain and ten asymptomatic controls was analyzed. Pelvic kinematics was analyzed at the FNB 3D Vicon Laboratory at Stellenbosch University using an eight camera Vicon system. A physical examination, including functional movements, posture analysis, hip, knee and ankle passive range of motion measurements, sacro-iliac tests and anthropometric measurements was done by two physiotherapists prior to the 3D analysis. To analyze the pelvic kinematics, each participant performed six single-leg drop-landings. The main outcome measure was 3D pelvic kinematics at initial foot contact (IFC) and foot contact at lowest vertical position (LVP). The following sub-groups were analyzed: seven with unilateral groin pain and three with bilateral groin pain; the latter was further divided into those with the most painful leg and the least painful leg. Mean and standard deviations (SD) for pelvic kinematics were calculated and significant differences between sub-groups were determined using two-tailed Student’s t-tests. The Cohen’s D effect size calculator was used to calculate the effect size of significant differences in pelvic kinematics between case and control groups.
Results: The findings indicated a significant difference (p=0.03) in frontal plane pelvic kinematics at IFC for the unilateral group. The most painful groin group showed significant differences at IFC (p=0.004) and at LVP (p=0.04) in the frontal plane pelvic kinematics. The least painful groin group showed a significant difference at LVP (p=0.01). All cases landed with pelvic downward lateral tilt during the landing phase compared to matched controls. The groin pain group with bilateral pain showed significant differences at IFC (p < 0.001) and LVP (p=0.005) for the most painful groin; and the least painful groin at IFC (p=0.01) and LVP (p=0.01) in the sagittal plane pelvic kinematics. The bilateral groin pain group showed an increase of anterior pelvic tilt in the sagittal plane during the landing phase when compared to matched controls. Increased internal pelvic rotation in the transverse plane was significant for the unilateral group at IFC (p=0.04) and for the most painful groin group at IFC (p < 0.001) and LVP (p < 0.001) compared to matched controls. Conclusion: Results from this study shows that pelvic kinematic changes in the frontal, sagittal and transverse planes do occur in patients with chronic groin pain when compared to controls. This may imply that muscle weakness around the hip and pelvis may contribute to the development of chronic groin pain in active sports participants. Rehabilitation of these muscles should be taken into consideration when treating patients with chronic groin injuries. Further research should be focused on muscular recruitment patterns in sports participants with groin pain to critically define the muscular causal factors in more depth. / AFRIKAANSE OPSOMMING: Inleiding: Kroniese lies beserings is ‘n algemene verskynsel onder die aktiewe sport populasie. Dit mag tot kroniese pyn lei en het die potensiaal om ‘n sport loopbaan te be-eindig. Tans, is daar geen verdere navorsing beskikbaar oor die invloed van bekken kinematika op onderste ledemaat beserings asook die moontlike oorsaak tot kroniese lies pyn in atlete nie.
Oogmerk: Die doel van hierdie studie was om vas te stel watter verskille in die bekken kinematika ontstaan tussen aktiewe sport deelnemers met kroniese lies pyn teenoor aktiewe sport deelnemers sonder enige pyn of beserings tydens ‘n enkel been aftrap beweging.
Metodologie: Tien deelnemers met kroniese lies pyn en tien asimptomatiese deelnemers is gebruik om die verskille tussen die 3D bekken kinematika te bepaal. Die FNB 3D Vicon Lab by die Stellenbosch Universiteit is gebruik vir die data analise en insameling. Deelnemers het ‘n fisiese ondersoek ondergaan wat die voglende ingesluit het: funksionele bewegings, postuur analise, omvang van beweging van die heup, knie en enkel, toetse ter uitsluiting van die ilio-sakrale gewrig asook antropometriese aftmetings. Elke deelnemer is versoek om ses enkel-been aftrap sessies te doen. Die hoof uitkomsmeting was die bekken hoeke in the frontale vlak by inisiële voet kontak (IVK) asook die voet kontak teen die laagste vertikale posisie (LVP). Resultate: Die resultate wys ’n beduidende verskil (p=0.03) in die frontale vlak vir bekken kinematika by IVK vir die unilaterale groep. Die mees geaffekteerde been wys ’n beduidende verskil by IVK (p=0.004) en by LVK (p=0.04) in die frontale vlak vir bekken kinematika. Die groep met die minste geaffekteerde been toon ’n beduidende verskil by LVP (p=0.01). Alle simptomatiese deelnemers het met die bekken in afwaartse bekken kanteling geland tydens die landings fase. Die groep met bilaterale pyn toon ’n beduidende verskil by IVK (p < 0.001) en by LVP (p=0.005) vir die mees geaffekteerde been en vir die minste geaffekteerde been by IVK (p=0.01) en LVP (0.01) in die sagittale vlak vir bekken kinematika. Die bilaterale groep met kroniese lies pyn land met meer anterior bekken kanteling in die sagittale vlak gedurende die landings fase teenoor die asimptomatiese groep. Interne bekken rotasie was beduidend meer vir die unilaterale groep by IVK (p=0.04) en vir die mees geaffekteerde been by IVK (p < 0.001) en LVP (p < 0.001) teenoor asimptomatiese deelnemers. Gevolgtrekking: Die resultate van hierdie studie bewys dat daar wel ‘n verskil is in die bekken kinematika van deelnemers met kroniese lies pyn teenoor asimptomatiese deelnemers. Hierdie verskille is waarneembaar in die frontale, sagittale en transverse vlakke. Dit impliseer dat spier swakheid van die bekken en heup spiere ‘n bydrae mag he tot die ontwikkeling van kroniese lies beserings in atlete. Rehabilitasie van bogenoemde spiere is belangrik in die behandeling van kroniese lies beserings. Verdere navorsing oor spier aktiverings patrone in aktiewe, sports deelnemers met kroniese lies pyn word benodig, om die oorsprongs faktore te ondersoek.
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Knee kinematics during a single-leg drop-landing in sports participants with chronic groin painVisser-Maritz, Karien 04 1900 (has links)
Thesis (MScPhysio)--Stellenbosch University, 2014. / ENGLISH ABSTRACT: Introduction: Groin injuries are among the top six injuries in contact sports and may lead to career ending chronic pain. Research on the role of knee kinematics in developing chronic groin pain in sport is scarce.
Objective: The purpose of this study was to determine if there are differences in knee kinematics during a single-leg drop-landing in sports participants with chronic groin pain compared to asymptomatic controls.
Methodology: A descriptive study was conducted. Twenty active sports’ participants were recruited from soccer and rugby clubs situated around the Cape Peninsula area, Western Cape, South Africa. The three-dimensional (3D) knee kinematics of ten cases with chronic groin pain and ten asymptomatic controls was analysed. Knee kinematics was analysed in the FNB-3D Vicon Laboratory at Stellenbosch University, using an eight camera Vicon system. A positive adductor squeeze test was used as a diagnostic test to include cases with chronic groin pain. Each participant performed six single-leg drop landings. The main outcome measure was 3D knee kinematics at initial foot contact and at the lowest vertical position of the drop landing. The following sub-groups were analysed: seven unilateral groin pain cases compared to their seven matched controls; three bilateral groin pain cases where their most painful leg and least painful leg were compared to their matched controls, respectively. Descriptive statistical techniques were used for all outcome measures; means and standard deviations (SD) were calculated, followed by a Student’s t-test to determine significant differences between the cases and controls. For all outcomes with p-values equal to or below 0.05, the effect size was calculated using the Cohen’s D.
Results: The findings of this study indicated a significant difference (p=0.0001) between cases with unilateral groin pain having less knee internal rotation compared to the controls at the lowest vertical position of the drop landing in the transverse plane. Significantly less internal rotation (p<0.0001), was also noted in the cases with bilateral groin pain (in the most painful leg and the less painful leg), although this was noted at foot contact. Cases with bilateral groin pain also had significantly (p<0.001) more knee varus (adduction) during the landing phase.
Conclusion: Differences in knee kinematics between sports participants with chronic groin pain and asymptomatic controls were found. These findings imply that the knee joint should be included during assessment and rehabilitation of individuals suffering with chronic groin pain. Due to the cross-sectional study design of the current study, it cannot be stated for certain whether the knee kinematics noted in the groin pain group are causative or as a result of groin pain. Future prospective studies are thus recommended; these studies should focus on the effect of contralateral knee kinematics on the hip adductors and may include exploration of the muscular components during a single-leg drop landing. / AFRIKAANSE OPSOMMING: Inleiding: Lies beserings is een van die top ses beserings in kontak sport en kan lei tot chroniese lies pyn en selfs die be-eindigging van ‘n sportloopbaan. Navorsing oor die rol van knie kinematika in die ontwikkeling van chroniese liesbeserings in sport is skaars.
Doelwit: Die doel van hierdie studie was om te bepaal of daar verskille in die knie kinematika is tydens 'n enkel been val landing in sport deelnemers met chroniese lies pyn in vergelyking met gesonde kontroles.
Metode: 'n Beskrywende studie was uitgevoer. Twintig aktiewe sport deelnemers is gewerf van rugby en sokker sportklubs geleë rondom die Kaapse Skiereiland, Wes-Kaap, Suid-Afrika. Die 3D knie kinematika van tien gevalle met chroniese lies pyn en tien asimptomatiese bypassende kontroles is ontleed. Knie kinematika was ontleed in die FNB-3D Vicon Laboratorium by die Universiteit van Stellenbosch, met behulp van 'n agt-kamera Vicon stelsel. 'n Positiewe Adduktor druk toets was gebruik as 'n diagnostiese toets om gevalle met chroniese lies pyn in te sluit. Om die knie kinematika te analiseer, het elke deelnemer ses enkel been val landings uitgevoer . Die belangrikste uitkomsmeting was 3D knie kinematika by die aanvanklike voet kontak en by die laagste vertikale posisie van die enkel-been val landing. Die volgende sub-groepe was ontleed: sewe unilaterale lies pyn gevalle in vergelyking met hul sewe bypassende kontroles; drie bilaterale lies pyn gevalle waar hul mees pynlike been, sowel as minder pynlike been onderskeidelik vergelyk was met hul bypassende kontroles. Beskrywende statistiese tegnieke was gebruik vir alle uitkoms maatreëls; gemiddeldes en standaardafwykings (SA) was bereken, gevolg deur 'n Studente’s t-toets om beduidende verskille tussen die gevalle en kontroles te bepaal. Vir al die uitkomste met p-waardes gelyk of onder 0.05, is die effekgrootte bereken deur die Cohen’s D.
Resultate: Die bevindings van hierdie studie dui op 'n beduidende verskil (p=0,0001) tussen gevalle met unilaterale lies pyn met minder interne knie rotasie in vergelyking met die kontroles by die laagste vertikale posisie van die val landing in die dwars vlak. Aansienlik minder interne rotasie (p<0,0001), is ook opgemerk in gevalle met bilaterale lies pyn (in die mees pynlike been en die minder pynlik been), alhoewel tydens voet kontak. Gevalle met bilaterale lies pyn het ook betekenisvol (p <0.001) meer knie varus (adduksie) tydens die landingsfase gehad.
Gevolgtrekking: Verskille bestaan in die knie kinematika tussen sport deelnemers met chroniese liesbesering pyn en gesonde kontroles. Hierdie bevindinge impliseer dat die knie behoort ingesluit te word tydens die assessering en rehabilitasie van individue met chroniese lies pyn. As gevolg van die deursnee-studie ontwerp van hierdie studie, kan dit nie bevestig word of die knie kinematika die oorsaak van die chroniese pyn is nie. Toekomstige voornemende studies word dus aanbeveel, hierdie studies moet fokus op die effek van die kinematika van die kontralaterale knie op die heup adduktore en kan moontlik die ondersoek van die spier kinetika tydens hierdie aktiwiteit insluit.
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Investigation of hip kinematics in adult sports participants during single leg drop landing with chronic groin painDare, Michael Robert 04 1900 (has links)
Thesis (MScPhysio)--Stellenbosch University, 2014. / ENGLISH ABSTRACT: Introduction-Groin injuries are among the top six most cited injuries in soccer and account for 10-18 per
cent of all injuries reported in contact sport. Groin pain can result from a variety of
pathologies, but according to literature, 63 per cent of groin pain is due to adductor
pathology.
Objective-The objective of this study was to explore if there are kinematic differences in the hip joint
in sports participants with groin pain compared to matched healthy controls.
Study design
A cross sectional, descriptive study was conducted.
Study setting-The study was conducted at the FNB -3D motion analysis laboratory at the University of
Stellenbosch, South Africa.
Outcome variables-The dependent variables included hip kinematics in the sagittal, frontal and transverse
planes at foot strike, lowest vertical point of the pelvis and total range of hip motion during
a single leg drop landing.
Methodology-The study sample comprised 20 male club level soccer-and, rugby players, running and
cycling participants between the ages of 18-55 years of age. Ten of the subjects had
chronic groin pain and the other ten were healthy matched controls. An eight-camera Vicon system was used to analyse the kinematics of the hip joint during
single leg drop landing. For the purpose of comparison, the data was analysed for
participants with unilateral groin pain and matched controls (n=14) and participants with
bilateral groin pain and controls (n=6). The full set of data was subdivided for analysis into
three distinct sub-groups. Unilaterally injured groin cases (n=7) were matched with seven
healthy controls for analysis. Bilaterally injured groin cases (n=3) were matched with three
healthy controls. Results-Cases with unilateral groin pain at initial contact had significantly more abduction of the hip
joint when compared to controls (p<0.05). The effect size of this difference was large
(0.94). Cases with unilateral groin pain also demonstrated greater hip internal rotation
while the controls had external rotation (p<0.05) during a drop landing activity. Bilaterally
injured groin cases landed with significantly (p=?) greater ranges of hip flexion as well as
in significantly (p=?) more hip abduction during a drop landing activity. They also
demonstrated greater total range of motion in the frontal plan when compared to controls.
Groin pain cases overall demonstrated greater ranges of motion and tended to land in
more abduction compared to controls.
Conclusion-This study found that during a single leg drop landing, sports participants with unilateral
chronic groin pain landed with significantly greater hip abduction and exhibited larger total
range of motion in the transverse plane, which may indicate impaired stability of the hip
complex when compared to controls. / AFRIKAANSE OPSOMMING: Inleiding-Liesbeserings is een van die top ses mees prominente sokker beserings. Dit beloop 10-18
persent van alle beserings wat in kontaksport aangemeld word. Liespyn kan die gevolg
wees van ‘n verskeidenheid patologië, maar volgens die literatuur is 63 persent van
liespyn as gevolg adduktor patologie.
Doelwitte-Die doelwit van hierdie studie was om ondersoek in te stel of daar enige kinematiese
veranderinge in die heupgewrig is in spelers met liespyn in vergelyking met dieselfde
vergelykbare spelers sonder liespyn.
Studie Ontwerp-‘n Deursnit, beskrywende studie was onderneem.
Studie Omgewing-Die studie was uitgevoer by die FNB-3D bewegingsanalise laboratorium van die
Stellenbosch Universiteit, Suid-Afrika.
Uitkomsveranderlikes-Die afhanklike veranderlikes het in gesluit die heup kinematika in die sagitale, frontale en
transvers vlakke met voet kontak endie laagste vertikale punt van die pelvis sowel as die
totale heup omvang van beweging gedurende een been landing.
Metodologie-Die studie populasie het bestaan uit 20 manlike sokker- en, rugbyspelers, hardlopers en
fietsryers tussen die ouderdomme van 18 en 55 jaar. Tien van die deelnemers het
kroniese liespyn gehad en die ander tien in die gelyke gesonde groep was sonder liespyn.
Die agt kamera Vicon sisteem was gebruik om die kinematika van die heupgewrig te
analseer tydens een been landing. Vir die doel om ‘n vergelyking te kan maak, was die
data geanaliseer van deelnemers met unilaterale liespyn en die vergelykende groep
sonder liespyn (n=14) en deelnemers met bilaterale liespyn en hulle vergelykende groep
sonder liespyn (n=6).. Die volledige stel data was onderverdeel in drie afsonderlike sub
groepe. Vir die analiese was unilaterale liesbeserings (n=7) vergelyk met sewe
deelnemers sonder liespyn in die kontrolegroep. Deelnemers met bilaterale liesbeserings
(n=3) was vergelyk met drie in die kontrolegroep.
Resultate-Die deelnemers met unilaterale liespyn het met eerste kontak beduidend meer abduksie
van die heupgewrig gehad in vergelyking met die kontrolegroep (p<0.05). Die effek van
hierdie verskil was groot (0.94). Die deelnemers met unilaterale liespyn het ook ‘n grooter
interne rotasie getoon, terwyl die kontrole groep meer eksterne rotasie gedemonstreer het
(p<0.05) met landing. Deelnemers met bilaterale liespyn het beduidend (p=?) meer heup
fleksie en abduksie omvang van beweging tydens landing. Hulle het ook ‘n groter totale
heup omvang van beweging in die frontale vlak gehad in vergelyking met die
kontrolegroep. Deelnemers met liespyn het oor die algemeen ‘n grooter omvang van
beweging getoon, en was geneig om met meer abduksie van die heup te land as die
kontrolegroep.
Gevolgtrekking-Die studie toon dat deelnemers met kroniese unilaterale liespyn, tydens een been landing,
beduidende meerheup abduksie toon en dat die heup in die transverse vlak meer totale
omvang van beweging gebruik wat kan dui op onstabiliteit in die heupkompleks in
vergelyking met die kontrolegroep.
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