American Journal of Sports Medicine

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Return to Sports and Recreational Activity after Unicompartmental Knee Arthroplasty
American Journal of Sports Medicine - Tập 35 Số 10 - Trang 1688-1695 - 2007
Florian D. Naal, Michael A. Fischer, Alexander Preuß, Jörg Goldhahn, Fabian von Knoch, Stefan Preiß, U. Munzinger, T. Drobny
BackgroundThere is a lack of detailed information concerning patients’ sports and recreational activities after unicompartmental knee arthroplasty.HypothesisPatients treated by unicompartmental knee arthroplasty will be able to return to sports and activity.... hiện toàn bộ
Platelet-Rich Plasma Versus Autologous Whole Blood for the Treatment of Chronic Lateral Elbow Epicondylitis
American Journal of Sports Medicine - Tập 39 Số 10 - Trang 2130-2134 - 2011
C. Thanasas, George N. Papadimitriou, Charalambos Charalambidis, I. Paraskevopoulos, Athanasios Papanikolaou
Background: Chronic lateral elbow epicondylitis is a tendinosis with angiofibrolastic degeneration of the wrist extensors’ origin. Healing of this lesion is reported with the use of autologous blood as well as with platelet-rich plasma (PRP). Purpose: A comparative study of these 2 treatments was conducted in an effort to investigate the possible advantages of PRP. ... hiện toàn bộ
Platelet-Rich Plasma Augmentation for Arthroscopic Rotator Cuff Repair
American Journal of Sports Medicine - Tập 39 Số 2 - Trang 258-265 - 2011
Roberto Castricini, Umile Giuseppe Longo, Massimo De Benedetto, N. Panfoli, Piergiorgio Pirani, Raul Zini, Nicola Maffulli, Vincenzo Denaro
Background: After reinsertion on the humerus, the rotator cuff has limited ability to heal. Growth factor augmentation has been proposed to enhance healing in such procedure. Purpose: This study was conducted to assess the efficacy and safety of growth factor augmentation during rotator cuff repair. Study Design: Randomized controlled trial; Level of ev...... hiện toàn bộ
Comparison of Surgically Repaired Achilles Tendon Tears Using Platelet-Rich Fibrin Matrices
American Journal of Sports Medicine - Tập 35 Số 2 - Trang 245-251 - 2007
Mikel Sánchez, Eduardo Anitua, Juan Azofra, Isabel Andı́a, Sabino Padilla, Iñigo Mujika
Background Platelet-rich fibrin matrices release a natural mixture of growth factors that play central roles in the complex processes of tendon healing. Hypothesis Application of autologous platelet-rich matrices during Achilles tendon surgery may promote healing and functional recovery. ... hiện toàn bộ
Does Platelet-Rich Plasma Accelerate Recovery After Rotator Cuff Repair? A Prospective Cohort Study
American Journal of Sports Medicine - Tập 39 Số 10 - Trang 2082-2090 - 2011
Chris Hyunchul Jo, Ji Eun Kim, Kang Sup Yoon, Ji-Ho Lee, Seung‐Baik Kang, Jae Hyup Lee, Hyuk‐Soo Han, Seung Hwan Rhee, Sue Shin
Background: Platelet-rich plasma (PRP) has been recently used to enhance and accelerate the healing of musculoskeletal injuries and diseases, but evidence is still lacking, especially on its effects after rotator cuff repair. Hypothesis: Platelet-rich plasma accelerates recovery after arthroscopic rotator cuff repair in pain relief, functional outcome, overall satisfacti...... hiện toàn bộ
An EMG analysis of the shoulder in throwing and pitching
American Journal of Sports Medicine - Tập 11 Số 1 - Trang 3-5 - 1983
Frank W. Jobe, James E. Tibone, Jacquelin Perry, Diane Radovich Moynes
Five male subjects' throwing and pitching motions were analyzed by dynamic electromyography and high speed photography. Electrodes inserted into the deltoid and rotator cuff muscles attempted to define muscle activation patterns during the throwing and pitching cycle. The wind-up or preparation (Stage I) had no consistent pattern. Cocking (Stage II) had a sequential muscle activation patt...... hiện toàn bộ
Digital ischemia in baseball players
American Journal of Sports Medicine - Tập 14 Số 4 - Trang 329-334 - 1986
Makoto Sugawara, Toshihiko Ogino, Akio Minami, Sechi Ish
Eight baseball players developed digital ischemia as a result of repetitive ball impact. Symptoms and signs were coolness, numbness, cyanosis, paleness, and a positive reaction to the digital Allen's test. Seven of the eight players developed digital ischemia between the ages of 16 and 17. Angiograms of four patients with an occluded index digital artery are presented. Thermo- grams of fo...... hiện toàn bộ
A New Concept For Isokinetic Hamstring: Quadriceps Muscle Strength Ratio
American Journal of Sports Medicine - Tập 26 Số 2 - Trang 231-237 - 1998
Per Aagaard, Erik B. Simonsen, S. Peter Magnusson, Benny Larsson, Poul Dyhre‐Poulsen
Conventionally, the hamstring:quadriceps strength ratio is calculated by dividing the maximal knee flexor (hamstring) moment by the maximal knee extensor (quadriceps) moment measured at identical angular velocity and contraction mode. The agonist-antagonist strength relationship for knee extension and flexion may, however, be better described by the more functional ratios of eccentric ham...... hiện toàn bộ
The Demographics and Epidemiology of Osteochondritis Dissecans of the Knee in Children and Adolescents
American Journal of Sports Medicine - Tập 42 Số 2 - Trang 320-326 - 2014
Jeffrey I. Kessler, Hooman Nikizad, Kevin G. Shea, John C. Jacobs, Judith D. Bebchuk, Jennifer M. Weiss
Background: Osteochondritis dissecans (OCD) is a disorder of subchondral bone and articular cartilage whose incidence in children is not clearly known. Purpose: The purpose of this study was to assess the demographics and epidemiology of OCD of the knee in children. ... hiện toàn bộ
Management of Osteochondritis Dissecans of the Knee
American Journal of Sports Medicine - Tập 34 Số 7 - Trang 1181-1191 - 2006
Mininder S. Kocher, Rachael Tucker, Theodore J. Ganley, John M. Flynn
Osteochondritis dissecans of the knee is being seen with increased frequency in pediatric and young adult athletes and is thought to be, in part, owing to earlier and increasingly competitive sports participation. Despite much speculation, the cause of both juvenile and adult osteochondritis dissecans remains unclear. Early recognition is essential. Whereas adult osteochondritis dissecans...... hiện toàn bộ
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