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https://www.readbyqxmd.com/read/29769823/relationship-between-achilles-tendon-stiffness-and-ground-contact-time-during-drop-jumps
#1
Mohamed Abdelsattar, Andreas Konrad, Markus Tilp
The purpose of this study was to investigate the relationship between Achilles tendon stiffness and ground contact time (GCT) during drop jumps. The property of "springiness" and a short GCT during the movement is required in several types of sports. Therefore, a stiff tendon might be advantageous due to the quick force transmission from the muscle to the bone. Hence, a secondary aim was to relate Achilles tendon stiffness with squat jump (SJ) and counter movement jump (CMJ) performance, respectively...
June 2018: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/29736195/chest-ultrasonography-in-modern-day-extreme-settings-from-military-setting-and-natural-disasters-to-space-flights-and-extreme-sports
#2
REVIEW
Francesco Feletti, Viviana Mucci, Andrea Aliverti
Chest ultrasonography (CU) is a noninvasive imaging technique able to provide an immediate diagnosis of the underlying aetiology of acute respiratory failure and traumatic chest injuries. Given the great technologies, it is now possible to perform accurate CU in remote and adverse environments including the combat field, extreme sport settings, and environmental disasters, as well as during space missions. Today, the usage of CU in the extreme emergency setting is more likely to occur, as this technique proved to be a fast diagnostic tool to assist resuscitation manoeuvres and interventional procedures in many cases...
2018: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/29712541/refractory-ulnar-nerve-symptoms-in-an-adolescent-pitcher-with-medial-apophysitis
#3
Aaron R Hellem, Elena J Jelsing, Wendy J Hurd
A 16-year-old high school baseball pitcher with a 3-week history of acute-onset pain in his medial elbow during throwing presented to physical therapy. Following examination, physical therapy was initiated and the patient was referred for imaging, with suspicion of ulnar collateral ligament (UCL) injury. Radiographs were noncontributory. Ultrasound imaging, however, was performed by a physiatrist and was suggestive of a partial-thickness tear of the UCL and ulnar nerve enlargement. The physiatrist ordered magnetic resonance imaging, which confirmed a medial apophyseal stress reaction, a mild UCL sprain, and reactive ulnar nerve edema...
May 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29702719/evaluation-of-a-novel-degradable-synthetic-biomaterial-patch-for-augmentation-of-tendon-healing-in-a-large-animal-model
#4
Wayne K Gersoff, Chantelle C Bozynski, Cristi R Cook, Ferris M Pfeiffer, Keiichi Kuroki, James L Cook
Tendon injury is common in sports. The standard of care (SOC) for tendon repair is surgical treatment. However, restored tendons often lack complete strength and functionality, and surgical repair is often unsuccessful. This controlled laboratory study investigates the healing of an Artelon patch (AP)-augmented tendon versus tendon repair alone in a preclinical canine patellar tendon defect model. Full-thickness proximal and distal flap defects were created in the patella tendons of eight purpose-bred research mongrel dogs...
April 27, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29701412/functional-popliteal-artery-entrapment-syndrome
#5
Luis Gamas, João Rocha Neves, Luís Machado, Ricardo Ferreira, Pedro Paz Dias, José Teixeira
INTRODUCTION: Popliteal artery entrapment is an uncommon syndrome, caused by extrinsic compression of the popliteal artery by muscular or tendinous structures. It occurs mainly in young individuals, with no atherosclerostic risk factors, and a mean age of presentation of 20 to 40 years, and has higher prevalence in males (83% of patients). Clinical presentation depends on the degree of arterial lesion, the most common being intermittent claudication, with critical ischemia being frequent...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29701410/digital-artery-aneurysm-case-report
#6
José Vidoedo, José Teixeira
INTRODUCTION AND METHODS: A 71-year-old patient, housewife, with a history of hypertension, elevated cholesterol and hypotyroidism was referred to the outpatient clinic for tumefaction of the right hand 5th finger noticed 3-4 months earlier. She denied past or recent history of trauma, cardiac or infectious disease and had no familial history of aneurysmatic disease. She was asymptomatic except for local slight discomfort when she had to press or push something with her hand. She had no sensitivity or mobility impairment...
July 2017: Revista Portuguesa de Cirurgia Cardio-torácica e Vascular
https://www.readbyqxmd.com/read/29613883/long-term-course-of-shoulders-after-ultrasound-therapy-for-calcific-tendinitis-results-of-the-ten-years-follow-up-of-an-rct
#7
Karin Pieber, Martina Grim-Stieger, Franz Kainberger, Martin Funovics, Karl-Ludwig Resch, Thomas Bochdansky, Eleonore Pablik, Gerold Ebenbichler
OBJECTIVE: To follow both the structure and function related long-term course of shoulders that had been treated with therapeutic ultrasound (US) for symptomatic calcific tendinitis. DESIGN: Long-term follow-up of 45 shoulders (37 patients) that had been treated for symptomatic calcific tendinitis with either a series of US or sham US ten years ago. The main outcome variables were presence of calcium deposits and subacromial impingement on standardized X-ray imaging, shoulder symptoms (Binder score) and function (Constant score)...
April 2, 2018: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/29605861/synergistic-activity-of-platelet-rich-plasma-and-high-volume-image-guided-injection-for-patellar-tendinopathy
#8
Michele Abate, Luigi Di Carlo, Sandra Verna, Patrizia Di Gregorio, Cosima Schiavone, Vincenzo Salini
PURPOSE: Platelet rich plasma and high volume image guided injections of saline have been used in the treatment of patellar tendinopathy with positive results. As the different mechanisms of action do not interfere each other, it can be hypothesized that they can be used in combination. Aim of this study was twofold: first, to evaluate the efficacy of these two treatments in the management of patellar tendinopathy; second, to verify whether the combination of these therapies could provide further advantages...
March 31, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29600268/healing-of-complete-tear-of-the-anterior-talofibular-ligament-and-early-ankle-stabilization-after-autologous-platelet-rich-plasma-a-case-report-and-literature-review
#9
Mark Wai Wah Lai, Regina Wing Shan Sit
Lateral Ankle sprain (LAS) is a common sports injury associated with recurrent ankle sprain, chronic ankle instability (CAI) and post-traumatic ankle osteoarthritis (PTOA). Platelet Rich Plasma (PRP) has been increasingly used for herapeutic applications in sports-related injuries, and is thought to stimulate tissue healing. We reported a case of LAS with complete tear of anterior talofibular ligament, which showed complete healing of ligament and early ankle stabilization after PRP. The healing is supported by dynamic ultrasound images and magnetic resonance imaging...
March 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29591320/lumbrical-muscle-tear-clinical-presentation-imaging-findings-and-outcome
#10
Christoph Lutter, Andreas Schweizer, Volker Schöffl, Frank Römer, Thomas Bayer
The incidence of lumbrical muscle tear is increasing due to the popularity of climbing sport. We reviewed data from 60 consecutive patients with a positive lumbrical stress test, including clinical examination, ultrasound and clinical outcomes in all patients, and magnetic resonance imaging in 12 patients. Fifty-seven patients were climbers. Lumbrical muscle tears were graded according to the severity of clinical and imaging findings as Grade I-III injuries. Eighteen patients had Grade I injuries (microtrauma), 32 had Grade II injuries (muscle fibre disruption) and 10 had Grade III injuries (musculotendinous disruption)...
January 1, 2018: Journal of Hand Surgery, European Volume
https://www.readbyqxmd.com/read/29556421/normative-ultrasound-references-for-the-paediatric-wrist-dorsal-soft-tissues
#11
Karen Rosendahl, Ingvild Sævold Bruserud, Ninnie Oehme, Pétur Benedikt Júlíusson, Laura Tanturri de Horatio, Lil-Sofie Ording Müller, Silvia Magni-Manzoni
Objective: To report novel ultrasound (US) references for the healthy paediatric wrist. Methods: Healthy children and adolescents had an US examination including Doppler, of the right wrist, using a mid-sagittal image through the radiocarpal (RC)/midcarpal (MC) joints. These features were noted: appearances and depth of the recess, with an additional measurement in the flexed position and number of Doppler signals within the recess in close proximity to the joint...
2018: RMD Open
https://www.readbyqxmd.com/read/29548031/cross-sectional-area-of-the-achilles-tendon-in-a-cohort-of-elite-military-warriors-using-standard-ultrasound-techniques
#12
Kevin D Martin, Jeffrey Wake, Laura Dawson, J Preston Van Buren
Background: The prevalence of Achilles tendon (AT) pathology is common and can result in disability. Understanding normal AT properties can improve our ability to prevent AT injuries. We examined the cross-sectional area of the AT at multiple levels in an asymptomatic population of Army Rangers. Methods: This is a prospective cohort study composed of 41 voluntarily recruited United States Army Rangers deployed in a combat theater. All subjects were members of the Ranger Regiment participating in more than 20 h of intense bipedal non-sport weekly training with no history of AT pathology...
March 14, 2018: Military Medicine
https://www.readbyqxmd.com/read/29527321/sport-and-exercise-medicine-consultants-are-reliable-in-assessing-tendon-neovascularity-using-ultrasound-doppler
#13
James Watson, Robert M Barker-Davies, Alexander N Bennett, Daniel T P Fong, Patrick C Wheeler, Mark Lewis, Craig Ranson
Objective: Several lower limb tendinopathy treatment modalities involve identification of pathological paratendinous or intratendinous neovascularisation to target proposed co-location of painful neoneuralisation. The ability to reliably locate and assess the degree of neovascularity is therefore clinically important. The Modified Ohberg Score (MOS) is frequently used to determine degree of neovascularity, but reliability has yet to be established among Sport and Exercise Medicine (SEM) consultants...
2018: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29511701/existing-evidence-on-ultrasound-guided-injections-in-sports-medicine
#14
REVIEW
Eldra W Daniels, David Cole, Bret Jacobs, Shawn F Phillips
Office-based ultrasonography has become increasingly available in many settings, and its use to guide joint and soft tissue injections has increased. Numerous studies have been conducted to evaluate the use of ultrasound-guided injections over traditional landmark-guided injections, with a rapid growth in the literature over the past few years. A comprehensive review of the literature was conducted to demonstrate increased accuracy of ultrasound-guided injections regardless of anatomic location. In the upper extremity, ultrasound-guided injections have been shown to provide superior benefit to landmark-guided injections at the glenohumeral joint, the subacromial space, the biceps tendon sheath, and the joints of the hand and wrist...
February 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29492579/systolic-and-diastolic-regulation-of-the-cerebral-pressure-flow-relationship-differentially-affected-by-acute-sport-related-concussion
#15
Alexander D Wright, Jonathan D Smirl, Kelsey Bryk, Paul van Donkelaar
OBJECTIVE: To determine whether acute sports-related concussion (SRC) exerts differential effects on cerebral autoregulatory properties during systole versus diastole. MATERIALS AND METHODS: One hundred and thirty-six contact-sport athletes tested preseason; 14 sustained a concussion and completed follow-up testing at 72 hours, 2 weeks, and 1 month post-injury. Five minutes of repetitive squat-stand maneuvers induced blood pressure (BP) oscillations at both 0.05 and 0...
2018: Acta Neurochirurgica. Supplement
https://www.readbyqxmd.com/read/29489411/who-refers-musculoskeletal-extremity-imaging-examinations-to-radiologists
#16
Paul Harkey, Richard Duszak, Soterios Gyftopoulos, Andrew B Rosenkrantz
OBJECTIVE: The purpose of this study is to identify the specialty characteristics of providers referring musculoskeletal (MSK) extremity imaging examinations to radiologists, so as to better understand the drivers of MSK imaging utilization and potentially improve the appropriateness of such imaging examinations. MATERIALS AND METHODS: Data on provider referral for MSK extremity imaging services were extracted from the 2014 Medicare Referring Provider Utilization for Procedures public use file, which aggregates data on diagnostic procedures according to referring provider identities and service codes...
April 2018: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/29485291/differences-between-men-and-women-in-balance-and-tremor-in-relation-to-plantar-fascia-laxity-during-the-menstrual-cycle
#17
Haneul Lee, Jerrold Petrofsky
CONTEXT:   Although much attention has been paid to the effect of estrogen on the knee ligaments, little has been done to examine the ligaments in the foot, such as the plantar fascia, and how they may be altered during the menstrual cycle. OBJECTIVE:   To (1) examine sex differences in plantar fascia thickness and laxity and postural sway and (2) identify any menstrual cycle effects on plantar fascia laxity, postural sway, and neuromuscular tremor between menstruation and the ovulation phase...
March 2018: Journal of Athletic Training
https://www.readbyqxmd.com/read/29461267/a-prospective-transcranial-doppler-ultrasound-based-evaluation-of-the-effects-of-repetitive-subconcussive-head-trauma-on-neurovascular-coupling-dynamics
#18
Alexander D Wright, Jonathan D Smirl, Kelsey Bryk, Michael Jakovac, Paul van Donkelaar
OBJECTIVE: To determine the effects of repetitive subconcussive head trauma on neurovascular coupling (NVC) responses. DESIGN: Prospective cohort study collected between September 2013 and December 2016. SETTING: University laboratory. PARTICIPANTS: One hundred seventy-nine elite, junior-level (age, 19.6 ± 1.5 years) contact sport (ice hockey, American football) athletes recruited for preseason testing. Fifty-two nonconcussed athletes returned for postseason testing...
February 14, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29461266/use-of-pocket-sized-ultrasound-device-in-the-diagnosis-of-shoulder-pathology
#19
Brian C Lau, Daria Motamedi, Anthony Luke
OBJECTIVE: Musculoskeletal ultrasound imaging is increasingly being used for static and dynamic imaging of tendons, muscles, ligaments, and bones. New, hand-held, pocket-sized ultrasounds are more portable and affordable. The purpose of this study was to evaluate the feasibility of pocket-sized ultrasound to diagnose shoulder pathology. DESIGN: Prospective cohort study. SETTING: Tertiary Care Hospital. METHODS: Ten consecutive patients (mean age 54; range 42-68 years) referred for a shoulder ultrasound for evaluation of shoulder pain were recruited...
February 14, 2018: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/29409190/clinical-presentation-and-surgical-management-of-chronic-achilles-tendon-disorders-a-retrospective-observation-on-a-set-of-consecutive-patients-being-operated-by-the-same-orthopedic-surgeon
#20
Håkan Alfredson, Christoph Spang
BACKGROUND: Non-invasive treatment is not always successful in patients with Achilles tendon disorders, and surgical treatment is instituted as the next step. There is sparse knowledge about the diagnoses, pain levels before surgery, surgically confirmed pathologies and postoperative complications in large patient groups. AIMS: To study the diagnoses, pain scores before surgery, macroscopic surgical findings and postoperative complications in a series of patients treated for Achilles disorders...
June 12, 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
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