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Effects of Anterior Cruciate Ligament Reconstruction Surgery on Lower-Extremity Inter-Joint Coordination During Cutting Maneuver Performance
Effects of Anterior Cruciate Ligament Reconstruction Surgery on Lower-Extremity Inter-Join...
Effects of Anterior Cruciate Ligament Reconstruction Surgery on Lower-Extremity Inter-Joint Coordination During Cutting Maneuver Performance

Detailed Information

자료유형  
 학위논문 서양
최종처리일시  
20260202103014
ISBN  
9798315715481
DDC  
615.82
저자명  
Fukunaga, Takumi.
서명/저자  
Effects of Anterior Cruciate Ligament Reconstruction Surgery on Lower-Extremity Inter-Joint Coordination During Cutting Maneuver Performance
발행사항  
[Sl] : New York University, 2025
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2025
형태사항  
157 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-11, Section: B.
주기사항  
Advisor: Ling, Wen K.
학위논문주기  
Thesis (Ph.D.)--New York University, 2025.
초록/해제  
요약Patients who sustain anterior cruciate ligament injury and undergo reconstruction surgery (ACLR) experience persistent impairments including muscle weakness and proprioceptive dysfunction, leading to functional limitations and risk of secondary injury. According to the Dynamical Systems Theory, ACLR and the ensuing impairments are perturbations to the motor system that may manifest as changes in movement coordination between joints. The purpose of this research study was to examine differences in lower-extremity inter-joint coordination during performance of a cutting maneuver between patients who had ACLR and uninjured participants. It was hypothesized that hip-knee joint coordination would be less anti-phase and knee-dominant and knee-ankle joint coordination would be more in-phase and ankle-dominant in patients who had ACLR compared to uninjured participants.Twenty-two patients who had ACLR and 15 uninjured participants performed 5 repetitions of a 45-degree cutting maneuver while hip, knee, and ankle sagittal-plane joint angles were collected. The joint-angle data from the involved leg of patients and dominant leg of uninjured participants during the braking phase, defined as the time from the pivot foot landing on the floor to peak knee flexion, were used to calculate coupling angles to represent inter-joint coordination. Coupling angle was interpreted as two joints moving in-phase (in the same direction) versus anti-phase (in opposite directions) and proximal- versus distal-dominant (proximal versus distal joint moving more than the other). Circular statistics were used to compare differences in mean hip-knee and knee-ankle coupling angles between patients and uninjured participants.Hip-knee coupling angle was not different between groups and both groups exhibited an anti-phase (hip extension and knee flexion) pattern throughout the braking phase. Knee-ankle coordination was in-phase and more ankle-dominant in the patients compared to the uninjured participants. This may represent emergence of a new coordination pattern in patients who had ACLR. Supplementary analysis revealed three distinct landing strategies, which explained the high variability in coupling angle in the beginning of the braking phase. Both groups exhibited similar levels of variability in inter-joint coordination, suggesting inherent variability when individuals perform a cutting maneuver. The findings of this research study may have implications in sports performance and future injury risk.
일반주제명  
Physical therapy
일반주제명  
Biomechanics
일반주제명  
Physiology
일반주제명  
Biomedical engineering
일반주제명  
Surgery
키워드  
Ankle
키워드  
Anterior cruciate ligament reconstruction
키워드  
Coupling angles
키워드  
Cutting maneuver
키워드  
Hip
키워드  
Knee
기타저자  
New York University Physical Therapy
기본자료저록  
Dissertations Abstracts International. 86-11B.
전자적 위치 및 접속  
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MARC

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■24510▼aEffects  of  Anterior  Cruciate  Ligament  Reconstruction  Surgery  on  Lower-Extremity  Inter-Joint  Coordination  During  Cutting  Maneuver  Performance
■260    ▼a[Sl]▼bNew  York  University▼c2025
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2025
■300    ▼a157  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-11,  Section:  B.
■500    ▼aAdvisor:  Ling,  Wen  K.
■5021  ▼aThesis  (Ph.D.)--New  York  University,  2025.
■520    ▼aPatients  who  sustain  anterior  cruciate  ligament  injury  and  undergo  reconstruction  surgery  (ACLR)  experience  persistent  impairments  including  muscle  weakness  and  proprioceptive  dysfunction,  leading  to  functional  limitations  and  risk  of  secondary  injury.    According  to  the  Dynamical  Systems  Theory,  ACLR  and  the  ensuing  impairments  are  perturbations  to  the  motor  system  that  may  manifest  as  changes  in  movement  coordination  between  joints.    The  purpose  of  this  research  study  was  to  examine  differences  in  lower-extremity  inter-joint  coordination  during  performance  of  a  cutting  maneuver  between  patients  who  had  ACLR  and  uninjured  participants.    It  was  hypothesized  that  hip-knee  joint  coordination  would  be  less  anti-phase  and  knee-dominant  and  knee-ankle  joint  coordination  would  be  more  in-phase  and  ankle-dominant  in  patients  who  had  ACLR  compared  to  uninjured  participants.Twenty-two  patients  who  had  ACLR  and  15  uninjured  participants  performed  5  repetitions  of  a  45-degree  cutting  maneuver  while  hip,  knee,  and  ankle  sagittal-plane  joint  angles  were  collected.    The  joint-angle  data  from  the  involved  leg  of  patients  and  dominant  leg  of  uninjured  participants  during  the  braking  phase,  defined  as  the  time  from  the  pivot  foot  landing  on  the  floor  to  peak  knee  flexion,  were  used  to  calculate  coupling  angles  to  represent  inter-joint  coordination.    Coupling  angle  was  interpreted  as  two  joints  moving  in-phase  (in  the  same  direction)  versus  anti-phase  (in  opposite  directions)  and  proximal-  versus  distal-dominant  (proximal  versus  distal  joint  moving  more  than  the  other).    Circular  statistics  were  used  to  compare  differences  in  mean  hip-knee  and  knee-ankle  coupling  angles  between  patients  and  uninjured  participants.Hip-knee  coupling  angle  was  not  different  between  groups  and  both  groups  exhibited  an  anti-phase  (hip  extension  and  knee  flexion)  pattern  throughout  the  braking  phase.    Knee-ankle  coordination  was  in-phase  and  more  ankle-dominant  in  the  patients  compared  to  the  uninjured  participants.    This  may  represent  emergence  of  a  new  coordination  pattern  in  patients  who  had  ACLR.    Supplementary  analysis  revealed  three  distinct  landing  strategies,  which  explained  the  high  variability  in  coupling  angle  in  the  beginning  of  the  braking  phase.    Both  groups  exhibited  similar  levels  of  variability  in  inter-joint  coordination,  suggesting  inherent  variability  when  individuals  perform  a  cutting  maneuver.    The  findings  of  this  research  study  may  have  implications  in  sports  performance  and  future  injury  risk.
■590    ▼aSchool  code:  0146.
■650  4▼aPhysical  therapy
■650  4▼aBiomechanics
■650  4▼aPhysiology
■650  4▼aBiomedical  engineering
■650  4▼aSurgery
■653    ▼aAnkle
■653    ▼aAnterior  cruciate  ligament  reconstruction
■653    ▼aCoupling  angles
■653    ▼aCutting  maneuver
■653    ▼aHip
■653    ▼aKnee
■690    ▼a0382
■690    ▼a0648
■690    ▼a0576
■690    ▼a0541
■690    ▼a0719
■71020▼aNew  York  University▼bPhysical  Therapy.
■7730  ▼tDissertations  Abstracts  International▼g86-11B.
■790    ▼a0146
■791    ▼aPh.D.
■792    ▼a2025
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17356671▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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