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anterior cruciate ligament rehabilitation

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https://www.readbyqxmd.com/read/28324994/co-activation-periods-of-gastrocnemius-and-vastus-lateralis-during-walking-evaluated-by-surface-electromyography
#1
Alessandro Mengarelli, Annachiara Strazza, Agnese Sbrollini, Angela Agostinelli, Laura Burattini, Sandro Fioretti, Francesco Di Nardo
"In vivo" studies reported that the co-activation of gastrocnemius and quadriceps femoris (QF) muscles produces ACL strain values greater than those caused by an isolated activation of either muscle. Aim of this study was to assess the co-activation of gastrocnemius (lateral head, GL) and vastus lateralis (VL) in healthy and young adults during walking. To this purpose the Statistical Gait Analysis was performed, that allows a characterization of gait considering hundreds of strides belonging to the same walking trial...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28303744/tibial-fixation-in-anterior-cruciate-ligament-reconstruction
#2
Wei Wen Timothy Teo, Ching Sing Nicholas Yeoh, Teck Huat Andy Wee
OBJECTIVE: To determine whether supplementary tibial graft fixation with a staple is routinely necessary for anterior cruciate ligament (ACL) reconstructions. METHODS: We retrospectively reviewed a series of consecutive patients who underwent ACL reconstruction at our institution from April 2012 to July 2013. Patients who fulfilled the inclusion and exclusion criteria were divided into two groups, of which one with tibial fixation of the graft with a biointerference screw alone (biointerference screw group) and the other with tibial fixation of the graft with a biointerference screw and supplementary extra tunnel staple fixation (biointerference screw and staple group)...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28298052/allograft-augmentation-of-hamstring-autograft-for-younger-patients-undergoing-anterior-cruciate-ligament-reconstruction
#3
Cale A Jacobs, Jeremy M Burnham, Eric Makhni, Chaitu S Malempati, Eric Swart, Darren L Johnson
BACKGROUND: Younger patients and those with smaller hamstring autograft diameters have been shown to be at significantly greater risk of graft failure after anterior cruciate ligament (ACL) reconstruction. To date, there is no information in the literature about the clinical success and/or cost-effectiveness of increasing graft diameter by augmenting with semitendinosus allograft tissue for younger patients. HYPOTHESIS: Hybrid hamstring grafts are a cost-effective treatment option because of a reduced rate of graft failure...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28259710/no-beneficial-effect-of-bracing-after-anterior-cruciate-ligament-reconstruction-in-a-cohort-of-969-athletes-followed-in-rehabilitation
#4
P Bordes, E Laboute, A Bertolotti, J F Dalmay, P Puig, P Trouve, E Verhaegue, P A Joseph, P Dehail, M De Seze
OBJECTIVE: Compare the clinical outcomes of different knee braces in the early phase of rehabilitation after anterior cruciate ligament reconstruction (ACLR) in athletes. MATERIALS AND METHODS: We conducted a retrospective database study of athletes during early rehabilitation in a tertiary referral hospital between 1 February 2008 and 30 October 2010 after ACLR using bone patellar tendon bone (BPTB) or hamstring autograft. Differences in mid-patellar knee circumference, pain, and range of motion were assessed at admission...
March 1, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28255567/an-ecological-study-of-anterior-cruciate-ligament-reconstruction-part-2-functional-performance-tests-correlate-with-return-to-sport-outcomes
#5
Timothy M McGrath, Gordon Waddington, Jennie M Scarvell, Nick Ball, Rob Creer, Kevin Woods, Damian Smith, Roger Adams
BACKGROUND: Additional high-quality prospective studies are needed to better define the objective criteria used in relation to return-to-sport decisions after anterior cruciate ligament (ACL) reconstruction in active populations. PURPOSE: To investigate prospectively the relationship between functional performance test results at 24 weeks postoperative and return-to-sport activity (Tegner activity score) at 12 and 24 months, respectively, after synthetic (ligament advanced reinforcement system [LARS]) and autograft (doubled semitendinosus/gracilis [2ST/2GR]) ACL reconstructions...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28245853/a-neuromuscular-exercise-programme-versus-standard-care-for-patients-with-traumatic-anterior-shoulder-instability-study-protocol-for-a-randomised-controlled-trial-the-sinex-study
#6
Henrik Eshoj, Sten Rasmussen, Lars Henrik Frich, Inge Hvass, Robin Christensen, Steen Lund Jensen, Jens Søndergaard, Karen Søgaard, Birgit Juul-Kristensen
BACKGROUND: Anterior shoulder dislocation is a common injury and may have considerable impact on shoulder-related quality of life (QoL). If not warranted for initial stabilising surgery, patients are mostly left with little to no post-traumatic rehabilitation. This may be due to lack of evidence-based exercise programmes. In similar, high-impact injuries (e.g. anterior cruciate ligament tears in the knee) neuromuscular exercise has shown large success in improving physical function and QoL...
February 28, 2017: Trials
https://www.readbyqxmd.com/read/28244908/the-relationship-between-acl-femoral-tunnel-position-and-postoperative-mri-signal-intensity
#7
Se Min Lee, Kyoung Ho Yoon, Sang Hak Lee, Dong Hur
BACKGROUND: The purpose of this study was to find the ideal femoral tunnel position in single-bundle anterior cruciate ligament (ACL) reconstruction using three-dimensional computed tomography (3D-CT) by comparing clinical scores, stability of the knee joint, and graft signal intensity on follow-up magnetic resonance imaging (MRI). We hypothesized that positioning the femoral tunnel near the anteromedial bundle or center would lead to better results in terms of clinical outcomes and graft signal intensity on follow-up MRI than would positioning the tunnel near the posterolateral bundle...
March 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28227317/co-activation-periods-of-gastrocnemius-and-vastus-lateralis-during-walking-evaluated-by-surface-electromyography
#8
Alessandro Mengarelli, Annachiara Strazza, Agnese Sbrollini, Angela Agostinelli, Laura Burattini, Sandro Fioretti, Francesco Di Nardo, Alessandro Mengarelli, Annachiara Strazza, Agnese Sbrollini, Angela Agostinelli, Laura Burattini, Sandro Fioretti, Francesco Di Nardo, Alessandro Mengarelli, Sandro Fioretti, Agnese Sbrollini, Annachiara Strazza, Laura Burattini, Angela Agostinelli, Francesco Di Nardo
"In vivo" studies reported that the co-activation of gastrocnemius and quadriceps femoris (QF) muscles produces ACL strain values greater than those caused by an isolated activation of either muscle. Aim of this study was to assess the co-activation of gastrocnemius (lateral head, GL) and vastus lateralis (VL) in healthy and young adults during walking. To this purpose the Statistical Gait Analysis was performed, that allows a characterization of gait considering hundreds of strides belonging to the same walking trial...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224443/report-of-the-clinical-and-functional-primary-outcomes-in-men-of-the-acl-sports-trial-similar-outcomes-in-men-receiving-secondary-prevention-with-and-without-perturbation-training-1-and-2-years-after-acl-reconstruction
#9
Amelia J H Arundale, Kathleen Cummer, Jacob J Capin, Ryan Zarzycki, Lynn Snyder-Mackler
BACKGROUND: Athletes often are cleared to return to activities 6 months after anterior cruciate ligament (ACL) reconstruction; however, knee function measures continue to improve up to 2 years after surgery. Interventions beyond standard care may facilitate successful return to preinjury activities and improve functional outcomes. Perturbation training has been used in nonoperative ACL injury and preoperative ACL reconstruction rehabilitation, but has not been examined in postoperative ACL reconstruction rehabilitation, specifically return to sport rehabilitation...
February 21, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28219089/arthroscopic-treatment-of-isolated-hoffa-fractures
#10
Ersin Ercin, Emre Baca, Cemal Kural
The goal of this study was to evaluate the results of a novel method, arthroscopic fixation of isolated Hoffa fractures.This is a prospective, case series and set at Level 1 trauma center. A total of eight patients with isolated Hoffa fractures who were operated by arthroscopic screw fixation method in the anterior posterior direction with 6.5 mm cannulated screws were followed up prospectively. Same surgical method used for all patients. All patients underwent the same rehabilitation program and active range of motion (ROM) exercises were started immediately...
February 20, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28217571/returning-to-sport-after-anterior-cruciate-ligament-reconstruction-in-amateur-sports-men-a-retrospective-study
#11
Angela Notarnicola, Giuseppe Maccagnano, Federico Barletta, Leonardo Ascatigno, Leopoldo Astuto, Antonio Panella, Silvio Tafuri, Biagio Moretti
BACKGROUND: According to the literature, 95% of professional athletes return to their sport after anterior cruciate ligament (ACL) reconstruction surgery. The main objective of this study was to verify the return to sport after ACL reconstruction in a homogenous group of amateur sportsmen and sportswomen in a series of Italian patients. MATERIALS AND METHODS: We designed a retrospective study in which we analyzed the amateur sports patients operated for ACL reconstruction...
October 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28195986/functional-bracing-after-anterior-cruciate-ligament-reconstruction-a-systematic-review
#12
Walter R Lowe, Ryan J Warth, Elizabeth P Davis, Lane Bailey
INTRODUCTION: The purpose of this study was to evaluate the current literature on the use of functional knee braces after anterior cruciate ligament (ACL) reconstruction with respect to clinical and in vivo biomechanical data. METHODS: A systematic search of both the PubMed and Embase databases was performed to identify all studies that reported clinical and/or in vivo biomechanical results of functional bracing versus nonbracing after ACL reconstruction. Extracted data included study design, surgical reconstruction techniques, postoperative rehabilitation protocols, objective outcomes, and subjective outcomes scores...
March 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28176927/association-between-sensory-function-and-hop-performance-and-self-reported-outcomes-in-patients-with-anterior-cruciate-ligament-injury
#13
Anna Cronström, Ewa M Roos, Eva Ageberg
BACKGROUND: In patients with anterior cruciate ligament (ACL) deficiency (ACLD) or reconstruction (ACLR), sensory deficits are commonly assessed as knee kinesthesia using time-consuming laboratory equipment. Portable equipment such as that used for evaluation of vibration sense would be preferable. In contrast to kinesthesia, vibration sense is not well studied in these patients. OBJECTIVES: 1) To study the association between kinesthesia and vibration sense to investigate if one sensory measurement can replace the other; and 2) to determine the clinical relevance by investigating associations between the sensory measurements and functional performance and patient-reported outcomes in patients with ACLD or ACLR...
2017: Open Access Journal of Sports Medicine
https://www.readbyqxmd.com/read/28176368/pharmacological-inhibition-of-myostatin-protects-against-skeletal-muscle-atrophy-and-weakness-after-anterior-cruciate-ligament-tear
#14
Caroline Nw Wurtzel, Jonathan P Gumucio, Jeremy A Grekin, Roger K Khouri, Alan J Russell, Asheesh Bedi, Christopher L Mendias
Anterior cruciate ligament (ACL) tears are among the most frequent knee injuries in sports medicine, with tear rates in the US up to 250,000 per year. Many patients who suffer from ACL tears have persistent atrophy and weakness even after considerable rehabilitation. Myostatin is a cytokine that directly induces muscle atrophy, and previous studies rodent models and patients have demonstrated an upregulation of myostatin after ACL tear. Using a preclinical rat model, our objective was to determine if the use of a bioneutralizing antibody against myostatin could prevent muscle atrophy and weakness after ACL tear...
February 8, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28174432/a-study-of-isokinetic-strength-and-laxity-with-and-without-anterior-cruciate-ligament-injury
#15
Kewwan Kim, Kyoungkyu Jeon, David R Mullineaux, Eunok Cho
[Purpose] The purpose of this study was to provide useful information for future treatments and to organize rehabilitation programs for anterior cruciate ligament injury by assessing isokinetic muscle strength and laxity of knee joints in athletes with anterior cruciate ligament injuries. [Subjects and Methods] Thirty-one high school athletes with anterior cruciate ligament injuries participated in this study. Isokinetic muscle strength at 60°/sec and anterior cruciate ligament laxity for non-involved and involved sides, classified on the basis of the severity of anterior cruciate ligament injury, were assessed...
December 2016: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28116102/self-determined-motivation-in-rehabilitating-professional-rugby-union-players
#16
Fraser Carson, Remco C J Polman
BACKGROUND: The aim of the present study was to explore the views of professional rugby union players during the early rehabilitation, late rehabilitation and return to play stages, following anterior cruciate ligament (ACL) injury. METHODS: A qualitative dominant, mixed methodological approach was utilized with five players who had suffered an ACL injury requiring reconstructive surgery. A longitudinal approach, concurrent with each player's rehabilitation, consisting of twice monthly interviews, a self-report diary and three established questionnaires (MOS-Social Support Survey, Sherbourne & Stewart, 1991; Sport Climate Questionnaire, Deci & Ryan, n...
2017: BMC Sports Science, Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28095091/factors-informing-fear-of-reinjury-after-anterior-cruciate-ligament-reconstruction
#17
Cheryl A Ross, Amanda Clifford, Quinette A Louw
OBJECTIVE: Fear of reinjury is associated with cessation of sport after anterior cruciate ligament (ACL) reconstruction despite normal postoperative knee function. The objective of this study is to describe factors informing athletes' experience of fear of reinjury post ACL reconstruction, in athletes who cited fear as the sole reason for not returning to their pre-injury level of sport. DESIGN: Mixed-methods study design of qualitative and a preliminary quantitative component...
February 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28078610/optimization-of-the-return-to-sport-paradigm-after-anterior-cruciate-ligament-reconstruction-a-critical-step-back-to-move-forward
#18
REVIEW
Bart Dingenen, Alli Gokeler
Athletes who have sustained an anterior cruciate ligament (ACL) injury often opt for an ACL reconstruction (ACLR) with the goal and expectation to resume sports. Unfortunately, the proportion of athletes successfully returning to sport is relatively low, while the rate of second ACL injury has been reported to exceed 20% after clearance to return to sport, especially within younger athletic populations. Despite the development of return-to-sport guidelines over recent years, there are still more questions than answers on the most optimal return-to-sport criteria after ACLR...
January 11, 2017: Sports Medicine
https://www.readbyqxmd.com/read/28056178/is-there-any-benefit-in-anterior-cruciate-ligament-reconstruction-in-patients-older-than-60-years
#19
Cécile Toanen, Guillaume Demey, Panagiotis G Ntagiopoulos, Paolo Ferrua, David Dejour
BACKGROUND: Results of anterior cruciate ligament (ACL) reconstruction are traditionally excellent in younger and nonarthritic patients. During the past few decades, people older than 60 years have become more active than ever, with more demanding physical lifestyles. An increase also has been noted in active patients with diagnosed ACL injuries. More patients are requesting treatment for ACL deficiency in hopes of returning to preinjury levels of activity. PURPOSE: The aims of this study were to evaluate the results of ACL reconstruction in patients older than 60 years in terms of functional recovery, return to sports, and postoperative incidence of osteoarthritis and to compare their results with published results of different age groups...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28031518/arthroscopic-fixation-with-endobutton-for-tibial-eminence-fractures-visualised-through-a-proximal-superomedial-portal-a-surgical-technique
#20
Hitoshi Sekiya, Kenzo Takatoku, Akinori Kimura, Yuji Kanaya, Takashi Fukushima, Katsushi Takeshita
Most tibial eminence fractures are avulsion fractures of the anterior cruciate ligament (ACL) from its tibial insertion. This study describes a new arthroscopic technique using an additional proximal superomedial portal to visualise the tibial eminence fracture and to fix the fracture with the EndoButton to avoid the risk of fragment breakage. The proximal superomedial portal enables fracture reduction without damage to the intermeniscal ligament. Fixation with the EndoButton is strong enough to allow early rehabilitation with vigorous exercise...
December 2016: Journal of Orthopaedic Surgery
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