Marcelline Dechenaud, Daniel Laidig, Thomas Seel, Hunter B Gilbert, Nikita A Kuznetsov
Recent research indicates that music-supported therapies may offer unique benefits for rehabilitation of motor function after stroke. We designed an adapted guitar and training task aimed to improve coordination between rhythmic and discrete movements because individuals recovering from stroke have greater difficulty performing discrete vs. rhythmic movements. In this paper, we report a feasibility study on training to play this adapted guitar in healthy young adults. Subjects (N = 10) practiced two rhythmic strumming patterns over three consecutive days using their non-dominant hand guided by an audiovisual metronome (60 bpm)...
July 2019: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Ming Zhou, Akimitsu Ishizawa, Hideo Akashi, Ryoji Suzuki, Yoshinori Kanatsu, Hiroshi Abe, Yoshio Bando
A variation of the flexor carpi radialis with an excessive muscular bundle was found on the right forearm of a Japanese male cadaver. The flexor carpi radialis had two heads, medial one arising from the medial epicondyle of the humerus, and the other, a variant excessive muscular bundle, arising from the bicipital aponeurosis deep at the medial edge of the tendon of biceps brachii. There was also a muscular slip between the pronator teres and lateral head of flexor carpi radialis. The insertion of the ending tendon of the flexor carpi radialis was also variant, which was not only inserted into the base of the second metacarpal bone, but into the proximal surface of the scaphoid and the tubercle of trapezium...
December 17, 2019: Anatomical Science International
J F Hernekamp, P Schönle, T Kremer, U Kneser, B Bickert
INTRODUCTION: Total wrist arthrodesis represents a reliable salvage procedure for severe painful conditions of the wrist. To date, wrist arthrodesis using a dorsal plate reaching from the distal radius to the third metacarpal is still recommended. A new implant (APTUS© 2.5 TriLock Wrist Fusion Plate, Medartis Suisse) that does not cross the third carpometacarpal joint (CMCJ-3) has been introduced recently. The purpose of this retrospective study was to compare both implants concerning early functional and clinical results...
December 6, 2019: Archives of Orthopaedic and Trauma Surgery
Alberto Lucchini, Stefano Bambi, Elisa Mattiussi, Stefano Elli, Laura Villa, Herman Bondi, Roberto Rona, Roberto Fumagalli, Giuseppe Foti
BACKGROUND: Early application of prolonged prone positioning has been shown to improve patient survival in moderate to severe adult respiratory distress syndrome (ARDS) patients. Prone position is a key component of lung protective mechanical ventilation in association with low tidal volume and neuromuscular blocking agents in patients with severe ARDS. Pressure sores are the major prone position complication. The rate of complication is lowering with the increase in center expertise...
January 2020: Dimensions of Critical Care Nursing: DCCN
A Pizzoli, M Bondi, L Schirru, R Bortolazzi
INTRODUCTION: We use external elbow joint fixator (FE-F4) for fracture and dislocation of the ulnohumeral joint to evaluate the early articular mobilization maintaining concentric reduction, protecting the osteoligamentous reconstruction and avoiding postoperative stiffness. MATERIALS AND METHODS: Thirty-two patients (13 men and 19 women) were treated with FE-F4: 7 simple dislocations (21.9%), 15 distal humerus fractures (46.9%), 4 fractures and dislocations of which 1 terrible triad (12...
November 27, 2019: Musculoskeletal Surgery
Subodh Pathak, Rashid Anjum, Rakesh Kumar Gautam, Pritam Maheshwari, Jatin Aggarwal, Aryan Sharma, Vineet Pruthi
PURPOSE: Fractures of distal radius are one of the common orthopaedic injuries. Placing the plate on volar surface requires release of underlying pronator quadratus (PQ) muscle. No consensus is present in the literature about the repair or not of the PQ. The purpose of this study was to evaluate the influence of PQ repair on functional outcome and complications. METHODS: Retrospectively 83 patients of distal radius fractures managed with volar plating between 2014 and 2016 were evaluated...
October 28, 2019: Chinese Journal of Traumatology
Matthew J Hall, Peter J Ostergaard, Arriyan S Dowlatshahi, Carl M Harper, Brandon E Earp, Tamara D Rozental
PURPOSE: Distal radius fractures are common fractures of the upper extremity. Whereas surgical outcomes have been extensively investigated, the impact of risk factors such as body mass index (BMI) and smoking on patient outcomes has not been explored. We hypothesized that obesity and smoking would have a negative impact on the functional and radiographic outcomes of surgically treated patients with distal radius fractures. METHODS: We performed a retrospective analysis of patients surgically treated for a distal radius fracture between 2006 and 2017 at 2 level 1 trauma centers...
October 30, 2019: Journal of Hand Surgery
Uiara M Braga, Luciana D Mendonça, Rodrigo O Mascarenhas, Carolina O A Alves, Renato G T Filho, Renan A Resende
BACKGROUND: Excessive foot pronation during running in individuals with foot varus alignment may be reduced by medially wedged insoles. RESEARCH QUESTION: This study investigated the effects of a medially wedged insole at the forefoot and at the rearfoot on the lower limbs angles and internal moments of runners with excessive foot pronation and foot varus alignment. METHODS: Kinematic and kinetic data of 19 runners (11 females and 8 males) were collected while they ran wearing flat (control condition) and medially wedged insoles (insole condition)...
October 2019: Gait & Posture
Yuji Arai, Kunio Hara, Hiroaki Inoue, Ginjiro Minami, Yoshikazu Kida, Hiroyoshi Fujiwara, Toshikazu Kubo
Background: We have previously reported the technique of arthroscopically assisted drilling of osteochondritis dissecans (OCD) lesions of the elbow via the radius in a distal-to-proximal direction. With this technique, the entire OCD lesion can be drilled vertically under arthroscopic guidance with pronation and supination of the forearm and flexion and extension of the elbow joint. Purpose: To retrospectively evaluate return to sport, range of motion, and the Japanese Orthopaedic Association-Japan Elbow Society Elbow Function Score (JOA-JES score) after treatment of an elbow OCD lesion by drilling through the radius...
September 2019: Orthopaedic Journal of Sports Medicine
Farzaneh Yazdani, Mohsen Razeghi, Mohammad Taghi Karimi, Milad Salimi Bani, Hossein Bahreinizad
BACKGROUND: Although altered muscular control of the lumbopelvic region is one of the main risk factors for the development of low back pain and dysfunction, the influence of abnormal foot posture on lumbopelvic muscular function has not been investigated. RESEARCH QUESTION: To determine possible functional changes due to hyperpronation in the main muscles that control the lumbopelvic segment. METHODS: Kinematic and kinetic data were collected from 15 persons with hyperpronated feet and compared to a control group of 15 persons with normally aligned feet during the stance phase of gait...
August 31, 2019: Gait & Posture
Ranita H K Manocha, James A Johnson, Graham J W King
BACKGROUND: Medial collateral ligament (MCL) injuries are common after elbow trauma and in overhead throwing athletes. A hinged elbow orthosis (HEO) is often used to protect the elbow from valgus stress early after injury and during early return to play. However, there is minimal evidence regarding the efficacy of these orthoses in controlling instability and their influence on long-term clinical outcomes. PURPOSE: (1) To quantify the effect of an HEO on elbow stability after simulated MCL injury...
August 28, 2019: American Journal of Sports Medicine
Cong-Bo Phan, Geonhui Shin, Kyoung Min Lee, Seungbum Koo
The kinematics of the human foot complex have been investigated to understand the weight bearing mechanism of the foot. This study aims to investigate midtarsal joint locking during walking by noninvasively measuring the movements of foot bones using a high-speed bi-planar fluoroscopic system. Eighteen healthy subjects volunteered for the study; the subjects underwent computed tomography imaging and bi-planar radiographs of the foot in order to measure the three-dimensional (3D) midtarsal joint kinematics using a 2D-to-3D registration method and anatomical coordinate system in each bone...
August 8, 2019: Journal of Biomechanics
Tengbo Yu, Hao Tao, Fenglei Xu, Yanling Hu, Chengdong Zhang, Guangjie Zhou
BACKGROUND: For coronal shear fractures of humeral capitellum, the lateral approach is the most commonly used surgical approach. However, exposure range of the anterior aspect of the distal humerus is inadequate. The anterolateral approach has also been adopted to overcome this disadvantage. However, this approach seems anatomically complex due to the risk of iatrogenic injury to the radial nerve. So far, the optimal approach for the treatment of capitellar shear fractures remains inconclusive...
July 22, 2019: Journal of Orthopaedic Surgery and Research
Qichang Mei, Yaodong Gu, Liangliang Xiang, Julien S Baker, Justin Fernandez
This study presents an investigation of the changes in foot posture, joint kinematics, joint moments and joint contact forces in the lower extremity following a 5 k treadmill run. A relationship between knee and ankle joint loading and foot posture index (FPI) is developed. Twenty recreational male heel-strike runners participated in this study. All participants had a history of running exercise and were free from lower extremity injuries and foot deformities. Foot posture was assessed from a six-item FPI to quantitatively classify high supination to high pronation foot poses...
2019: Frontiers in Physiology
R Perlus, J Doyon, P Henry
INTRODUCTION: Optimal fixation for highly comminuted distal radius fractures remains a major treatment challenge for orthopaedic surgeons. Dorsal distraction plating can serve as an improved fixation technique by allowing reduction under ligamentotaxis, providing a dorsal buttress, addressing proximal comminution, and allowing for early weightbearing in polytrauma patients. The aim of this study was to review current literature regarding treatment of distal radius fractures treated with dorsal distraction plating...
June 2019: Injury
Fabian G P Moungondo, Aurélie Andrzejewski, Roger R P van Riet, Véronique Feipel, Marcel Rooze, Frédéric A Schuind
BACKGROUND: Contact stresses of radial head prostheses remain a concern, potentially leading to early capitellar cartilage wear and erosion. In particular, point contact or edge loading could have a detrimental effect. The purpose of this study was to compare 3 different types of radial head prostheses in terms of joint contact areas with each other and with the native situation. The hypothesis was that the joint contact areas would be lower after monopolar arthroplasty. METHODS: Seven fresh-frozen cadaveric upper limbs were used...
April 24, 2019: Journal of Shoulder and Elbow Surgery
Casey M DeDeugd, Alexander Y Shin, William J Shaughnessy
BACKGROUND: Forearm supination contractures can occur as a result of neurological derangement of the upper extremity in patients with neonatal brachial plexus birth palsy. The contractures become problematic in childhood as patients begin requiring forearm pronation for activities of daily living including typing on a keyboard and writing. There have been several techniques described to remedy this deformity. We present a case series describing the early clinical results of combined radial osteotomy and intraosseous biceps rerouting to realign the forearm in resting pronation and convert the biceps from a supinator to a pronator...
May 2019: Journal of Pediatric Orthopedics
Kyle E Nappo, Benjamin W Hoyt, George C Balazs, George P Nanos, Derek F Ipsen, Scott M Tintle, Elizabeth M Polfer
BACKGROUND: High-energy open forearm fractures are unique injuries frequently complicated by neurovascular and soft tissue injuries. Few studies have evaluated the factors associated with nonunion and loss of motion after these injuries, particularly in the setting of blast injuries. QUESTIONS/PURPOSES: (1) In military service members with high-energy open forearm fractures, what proportion achieved primary or secondary union? (2) What is the pronation-supination arc of motion as stratified by the presence or absence of heterotopic ossification (HO) and synostosis? (3) What are the risks of heterotopic ossification and synostosis? (4) What factors may be associated with forearm fracture nonunion? METHODS: A retrospective study of all open forearm fractures treated at a tertiary military referral center from January 2004 to December 2014 was performed...
February 6, 2019: Clinical Orthopaedics and related Research
Kaibin Fang, Wenhuai Wang
Objective: To investigate the early-term effectiveness of carpal arthroscopy in the treatment of intra-articular fractures of distal radius. Methods: The clinical data of 50 cases of intra-articular fractures of distal radius between January 2015 and December 2017 were retrospectively analyzed. According to the different methods of intraoperative assisted treatment, the patients were divided into the trial group (11 cases with carpal arthroscopy assisted treatment) and the control group (39 cases with traditional open reduction)...
February 15, 2019: Chinese Journal of Reparative and Reconstructive Surgery
Sheena K Sikora, Stephen K Tham, Jason N Harvey, Marc Garcia-Elias, Tony Goldring, Andrew H Rotstein, Eugene T Ek
Background  Scapholunate instability (SLI) is the most common form of carpal instability. Early detection of SLI is imperative as early reconstructive procedures can potentially prevent the natural history of progressive degenerative arthritis. After wrist arthroscopy, magnetic resonance imaging (MRI) remains the next best noninvasive diagnostic option; however, access still remains costly and is often limited in many health care systems worldwide. In this article, we describe a novel device that allows for dynamic X-rays to be taken, accentuating the scapholunate (SL) widening...
February 2019: Journal of Wrist Surgery
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