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Hege Grindem, Lynn Snyder-Mackler, Håvard Moksnes, Lars Engebretsen, May Arna Risberg
BACKGROUND: Knee reinjury after ACL reconstruction is common and increases the risk of osteoarthritis. There is sparse evidence to guide return to sport (RTS) decisions in this population. OBJECTIVES: To assess the relationship between knee reinjury after ACL reconstruction and (1) return to level I sports, (2) timing of RTS and (3) knee function prior to return. METHODS: 106 patients who participated in pivoting sports participated in this prospective 2-year cohort study...
July 2016: British Journal of Sports Medicine
Gui Tran, Toby O Smith, Adam Grice, Sarah R Kingsbury, Paul McCrory, Philip G Conaghan
BACKGROUND: To assess the relationship between sport and osteoarthritis (OA), and specifically to determine whether previous participation, in terms of level (elite or non-elite), type of sport, intensity or previous injury, was associated with OA. METHODS: This systematic review was developed using PRISMA guidelines. Databases were searched (to May 2016). Narrative review and meta-analysis (with risk ratio (RR) and 95% CIs) approaches were undertaken where appropriate...
September 28, 2016: British Journal of Sports Medicine
Peter N Chalmers, Dane H Salazar, Karen Steger-May, Aaron M Chamberlain, Georgia Stobbs-Cucchi, Ken Yamaguchi, Jay D Keener
BACKGROUND: Very little longitudinal information has been available regarding the relationship of cuff tears and arthritis. The purpose of this study was to determine the midterm risk of and risk factors for rotator cuff tear arthropathy progression in a cohort of subjects with an asymptomatic rotator cuff tear. METHODS: Baseline (visit 1), 5-year (visit 2), and most recent follow-up (visit 3) radiographs were reviewed in a cohort of 105 subjects enrolled for longitudinal surveillance of asymptomatic degenerative rotator cuff tears and 33 controls...
November 2016: Journal of Shoulder and Elbow Surgery
Mark H Halliday, Evangelos Pappas, Mark J Hancock, Helen A Clare, Rafael Z Pinto, Gavin Robertson, Paulo H Ferreira
Study Design Randomized clinical trial. Background Motor control exercises are believed to improve coordination of the trunk muscles. It is unclear whether increases in trunk muscle thickness can be facilitated by approaches such as the McKenzie method. Furthermore, it is unclear which approach may have superior clinical outcomes. Objectives The primary aim was to compare the effects of the McKenzie method and motor control exercises on trunk muscle recruitment in people with chronic low back pain classified with a directional preference...
July 2016: Journal of Orthopaedic and Sports Physical Therapy
Tiê P Yamato, Christopher G Maher, Bruno T Saragiotto, Mark J Hancock, Raymond W J G Ostelo, Cristina M N Cabral, Luciola C Menezes Costa, Leonardo O P Costa
STUDY DESIGN: Systematic review. OBJECTIVE: To determine the effects of the Pilates method for patients with nonspecific acute, subacute, or chronic low back pain. SUMMARY OF BACKGROUND DATA: The Pilates method is one of the most common forms of intervention based on exercise used for treating patients with low back pain. However, its effectiveness is not well established. METHODS: We conducted searches on CENTRAL, MEDLINE, EMBASE, CINAHL, PEDro, and SPORTDiscus up to March 2014...
June 2016: Spine
Kay M Crossley, Marienke van Middelkoop, Michael J Callaghan, Natalie J Collins, Michael Skovdal Rathleff, Christian J Barton
No abstract text is available yet for this article.
July 2016: British Journal of Sports Medicine
Amin Mohamadi, Jimmy J Chan, Femke M A P Claessen, David Ring, Neal C Chen
BACKGROUND: The ability of injection of corticosteroids into the subacromial space to relieve pain ascribed to rotator cuff tendinosis is debated. The number of patients who have an injection before one gets relief beyond what a placebo provides is uncertain. QUESTIONS/PURPOSES: We asked: (1) Do corticosteroid injections reduce pain in patients with rotator cuff tendinosis 3 months after injection, and if so, what is the number needed to treat (NNT)? (2) Are multiple injections better than one single injection with respect to pain reduction at 3 months? METHODS: We systematically searched seven electronic databases for randomized controlled trials of corticosteroid injection for rotator cuff tendinosis compared with a placebo injection...
July 28, 2016: Clinical Orthopaedics and related Research
Ram Haddas, Steven F Sawyer, Phillip S Sizer, Toby Brooks, Ming-Chien Chyu, C Roger James
STUDY DESIGN: Controlled laboratory study. BACKGROUND: Recurrent low back pain (LBP) and neuromuscular fatigue are independently thought to increase the risk of spine injury. Volitional preemptive abdominal contraction (VPAC) is thought to improve lumbar spine and pelvis control in individuals with recurrent LBP. The effects of VPAC on fatigued landing performance in individuals with recurrent LBP are unknown. OBJECTIVES: To determine the effects of VPAC and lower extremity fatigue on trunk control during landing in a population of individuals with recurrent LBP...
February 2016: Journal of Orthopaedic and Sports Physical Therapy
Lori A Michener, Sapna Sharma, Ann M Cools, Mark K Timmons
BACKGROUND: Coordinated muscle activity is needed for synchronized joint motion and stability. Characterizing relative scapular muscle activity deficits in participants with shoulder pain will provide foundational knowledge to develop rehabilitation programs. METHODS: Participants were recruited with subacromial pain syndrome and an asymptomatic control group matched for age, gender, and dominant arm (N = 56). Surface electromyographic muscle activity was recorded from the upper, middle, and lower trapezius (UT, MT, LT) and serratus anterior (SA) during 5 repetitions of a weighted arm elevation task...
June 30, 2016: Journal of Shoulder and Elbow Surgery
Ram Haddas, James Yang, Isador Lieberman
PURPOSE: To examine the influence of volitional preemptive abdominal contraction (VPAC) and recurrent low back pain (rLBP) on trunk mechanics and neuromuscular control during a symmetric lifting task. METHODS: A 2 × 2 crossover mixed design was used to examine the effects of VPAC and group. Thirty-seven healthy individuals and 32 rLBP individuals performed symmetric box lifting trials with and without VPAC to a 1-m height table 3D trunk, pelvis, and hip joint angle and electromyographic magnitude variables were obtained...
September 2016: European Spine Journal
Masako Tamaki, Ji Won Bang, Takeo Watanabe, Yuka Sasaki
We often experience troubled sleep in a novel environment [1]. This is called the first-night effect (FNE) in human sleep research and has been regarded as a typical sleep disturbance [2-4]. Here, we show that the FNE is a manifestation of one hemisphere being more vigilant than the other as a night watch to monitor unfamiliar surroundings during sleep [5, 6]. Using advanced neuroimaging techniques [7, 8] as well as polysomnography, we found that the temporary sleep disturbance in the first sleep experimental session involves regional interhemispheric asymmetry of sleep depth [9]...
May 9, 2016: Current Biology: CB
Joon Kyu Lee, Sahnghoon Lee, Myung Chul Lee
BACKGROUND: The choice of graft type is an important factor to the outcome of anterior cruciate ligament (ACL) reconstruction. PURPOSE: To compare knee joint stability and functional outcomes of anatomic ACL reconstruction with double-bundle hamstring tendon (DBHT) and bone-quadriceps tendon (BQT) autografts. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Ninety-six patients underwent ACL reconstruction with either DBHT (hamstring group) or BQT autograft (quadriceps group)...
September 2016: American Journal of Sports Medicine
Romain Seil, Roland Becker
No abstract text is available yet for this article.
May 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
Raj Chetty, Michael Stepner, Sarah Abraham, Shelby Lin, Benjamin Scuderi, Nicholas Turner, Augustin Bergeron, David Cutler
IMPORTANCE: The relationship between income and life expectancy is well established but remains poorly understood. OBJECTIVES: To measure the level, time trend, and geographic variability in the association between income and life expectancy and to identify factors related to small area variation. DESIGN AND SETTING: Income data for the US population were obtained from 1.4 billion deidentified tax records between 1999 and 2014. Mortality data were obtained from Social Security Administration death records...
April 26, 2016: JAMA: the Journal of the American Medical Association
Angela V Dieterich, Louise Deshon, Geoffrey R Strauss, Jan McKay, Christine M Pickard
STUDY DESIGN: Controlled laboratory study. BACKGROUND: The hip abductor muscles are important hip joint stabilizers. Hip joint pain may alter muscle recruitment. Motion-mode (M-mode) ultrasound enables noninvasive measurements of the onset of deep and superficial muscle motion, which is associated with activation onset. OBJECTIVES: To compare (1) the onset of superficial and deep gluteus medius and gluteus minimus muscle motion relative to the instant of peak ground reaction force and (2) the level of swing-phase muscle motion during step-down between subjects with chronic hip pain and controls using M-mode ultrasound...
April 2016: Journal of Orthopaedic and Sports Physical Therapy
Hakan Sofu, Ali Oner, Yalkin Camurcu, Sarper Gursu, Hanifi Ucpunar, Vedat Sahin
PURPOSE: To determine predictors of the clinical outcome after arthroscopic partial meniscectomy performed for acute trauma-related medial meniscal tear leading to mechanical symptoms in patients more than 60 years of age. METHODS: In this retrospective study with 4.1 years' follow-up, the clinical data of 154 arthroscopic partial medial meniscectomies were evaluated. The body mass index (BMI), duration of symptoms, the hip-knee-ankle angle, type of the meniscal tear, presence of any chondral lesions, degenerative changes in the patellofemoral joint, the status of the cruciate ligaments and lateral meniscus, and the presence of any plica or synovitis were the independent variables...
February 13, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
P S Sheppard, J M Stevenson, R B Graham
The objective of the present study was to determine if there is a sex-based difference in lifting technique across increasing-load conditions. Eleven male and 14 female participants (n = 25) with no previous history of low back disorder participated in the study. Participants completed freestyle, symmetric lifts of a box with handles from the floor to a table positioned at 50% of their height for five trials under three load conditions (10%, 20%, and 30% of their individual maximum isometric back strength)...
May 2016: Applied Ergonomics
Seong-Rae Yang, Kyung Kim, Sun-Ja Park, Kyung Kim
[Purpose] To investigate whether thoracic spine mobilization added to stabilization exercises increases the muscular strength and range of motion of the thoracic vertebrae of chronic low-back pain patients. [Subjects] This study enrolled 20 patients with chronic low back pain, who were divided into two groups. Ten subjects were randomly selected for the stabilization exercise group and the remaining 10 subjects received thoracic spine mobilization in addition to performing the stabilization exercises. [Methods] The patients performed stabilization exercises and received thoracic spine mobilization for 12 weeks...
December 2015: Journal of Physical Therapy Science
Kate E Webster, Julian A Feller, Nigel Hartnett, Warren B Leigh, Anneka K Richmond
BACKGROUND: Numerous studies have compared patellar tendon (PT) and hamstring tendon (HS) anterior cruciate ligament (ACL) reconstructions in the short to midterm, but fewer long-term results have been published. HYPOTHESIS: There will be no difference in functional outcome between ACL reconstruction performed with PT and HS grafts, but PT grafts will have more donor site morbidity. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1...
January 2016: American Journal of Sports Medicine
2016-06-26 06:21:56
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