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https://www.readbyqxmd.com/read/27918704/comparison-of-3d-joint-angles-measured-with-the-kinect-2-0-skeletal-tracker-versus-a-marker-based-motion-capture-system
#1
Trent M Guess, Swithin Razu, Amirhossein Jahandar, Marjorie Skubic, Zhiyu Huo
The Microsoft Kinect is becoming a widely used tool for inexpensive, portable measurement of human motion with the potential to support clinical assessments of performance and function. In this study, the relative osteokinematic Cardan joint angles of the hip and knee were calculated using the Kinect 2.0 skeletal tracker. The pelvis segments of the default skeletal model were reoriented and three-dimensional joint angles were compared to a marker-based system during a drop vertical jump and a hip abduction motion...
December 5, 2016: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/27869481/papillary-versus-non-papillary-puncture-in-percutaneous-nephrolithotomy-a-prospective-randomized-trial
#2
Panagiotis Kallidonis, Iason Kyriazis, Dimitrios Kotsiris, Adamantia Koutava, Wissam Kamal, Evangelos N Liatsikos
INTRODUCTION: Literature suggests that the percutaneous punctures for PCNL must be performed at the papilla of the renal calyx and a puncture at the infundibulum or the direction of the pelvis is not advisable due to increased hemorrhagic risk. A prospective randomized study was conducted to investigate the safety in terms of blood loss of the infundibular approach for PCNL. MATERIALS AND METHODS: Patients with renal stones with a accumulative size of at least 2cm were randomly assigned to one of two parallel groups to undergo PCNL with either papillary (Group 1) or infundibular (Group 2) renal access...
November 21, 2016: Journal of Endourology
https://www.readbyqxmd.com/read/27761185/fishbone-perforated-appendicitis
#3
Joey Chan Yiing Beh, Anandswaroop Srinivas Uppaluri, Beatrice Fang Ju Koh, Peng-Chung Cheow
Ingested foreign bodies tend to pass through the gastrointestinal tract without incidence, and vast majority of cases do not need intervention. Rarely, these foreign bodies drop into the appendix and not likely to re-enter the normal digestive tract. We describe a case of a 72-year-old male patient who presented with right iliac fossa pain of 3-day duration. Clinical examination suggested classic acute appendicitis. Blood test results revealed leukocytosis. Computed tomography of the abdomen and pelvis showed evidence of acute appendicitis and a linear hyperdensity (foreign body) perforating the appendix...
July 2016: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/27749412/change-in-salvage-radiotherapy-management-based-on-guidance-with-facbc-fluciclovine-pet-ct-in-postprostatectomy-recurrent-prostate-cancer
#4
Oladunni O Akin-Akintayo, Ashesh B Jani, Oluwaseun Odewole, Funmilayo I Tade, Peter T Nieh, Viraj A Master, Leah M Bellamy, Raghuveer K Halkar, Chao Zhang, Zhengjia Chen, Mark M Goodman, David M Schuster
PURPOSE: We explored the influence of FACBC (fluciclovine) PET/CT on the decision to offer radiotherapy and radiotherapy treatment field recommendations in postprostatectomy patients with recurrent prostate cancer. PATIENTS AND METHODS: After obtaining institutional review board approval and informed consent, 87 patients with detectable prostate-specific antigen (PSA) levels were recruited into a prospective clinical trial. After an initial provider-determined radiotherapy plan based on conventional imaging, 44 of 87 patients were randomized to additionally undergo fluciclovine PET/CT...
January 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/27733305/quantitative-analysis-of-the-trendelenburg-test-and-invention-of-a-modified-method
#5
Kenji Fujita, Tamon Kabata, Yoshitomo Kajino, Shintaro Iwai, Kazunari Kuroda, Kazuhiro Hasegawa, Katsuo Fujiwara, Hiroyuki Tsuchiya
BACKGROUND: While the Trendelenburg test has been used for 120 years to detect hip abductor muscle weakness, the methodology has not been standardised. PURPOSES: This study undertook to quantitatively analyze the relation between abductor muscle activity and pelvic tilt angle in the Trendelenburg one-leg stance, examine the pitfalls associated with performing the T-test, and develop a modified method that will produce reliable results. METHODS: A convenience sample of 15 healthy males was asked to assume a one-leg stance in ten different postures, five with mild flexion on the unsupported side, and five with severe flexion...
October 9, 2016: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/27632838/effects-of-volitional-spine-stabilization-and-lower-extremity-fatigue-on-knee-and-ankle-during-landing-performance-in-a-recurrent-low-back-pain-population
#6
Ram Haddas, Steven F Sawyer, Phillip S Sizer, Toby Brooks, Ming-Chien Chyu, C Roger James
INTRODUCTION: Recurrent LBP (rLBP) and neuromuscular fatigue are independently thought to increase the risk of lower extremity (LE) injury. Volitional preemptive abdominal contraction (VPAC) is thought to improve lumbar spine and pelvis control in individuals with rLBP. The effects of VPAC on fatigued landing performance in individuals with rLBP are unknown. OBJECTIVES: To determine the effects of VPAC and LE fatigue on landing performance in a rLBP population. DESIGN: Cross-sectional pretest-posttest cohort control design...
August 24, 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27583158/the-normal-ischiofemoral-distance-and-its-variations
#7
I Hujazi, T Jones, S Johal, P Bearcroft, G Muniz-Terra, V Khanduja
The aim of this study is to measure the ischiofemoral distance (IFD) in the normal hip with healthy surrounding soft tissues and describe its variations caused by gender, age and proximal femoral anatomy so that this could serve as a reference for future studies on this subject. This is a retrospective study in which we reviewed the CT scans of 149 patients (298 hips) who had a CT of their pelvis for non-orthopaedic (abdomino-pelvic) pathology. The images were reviewed by two independent observers and the IFD (the smallest distance between the lateral cortex of the ischial tuberosity and the posteromedial cortex of the lesser trochanter), offset (the perpendicular distance from the centre of the femoral head to a line running down the middle of the shaft of the femur) and the neck-shaft angle (the angle between the lines in the middle of the neck to the line forming the axis of the femoral shaft) were measured...
August 2016: Journal of Hip Preservation Surgery
https://www.readbyqxmd.com/read/27560016/computed-tomographic-angiography-of-the-abdomen-and-pelvis-in-azotemic-patients-utilizing-80-kv-p-technique-and-reduced-dose-iodinated-contrast-comparison-with-routine-120-kv-p-technique
#8
David Knipp, Barton F Lane, Jason W Mitchell, Barry D Daly
OBJECTIVE: To evaluate image quality (IQ) of a reduced contrast volume, low kilovolt (peak) [kV(p)] abdominopelvic computed tomographic angiography (AP-CTA) protocol compared to a standard 120-kV(p) AP-CTA protocol. METHODS: A retrospective image analysis was performed on 103 patients with end-stage renal disease who underwent AP-CTA. Forty-nine patients were scanned at 80 kV(p) with a mean of 48 mL of contrast, and 54 patients were scanned at 120 kV(p) with a mean of 98 mL of contrast...
August 25, 2016: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/27514161/-comparison-of-laparoscopic-assisted-vaginal-hysterectomy-and-vaginal-hysterectomy-for-benign-diseases-and-lesions-of-the-female-genital-system
#9
COMPARATIVE STUDY
S Kovachev, A Ganovska, T Stankova
OBJECTIVE: To compare the efficacy of laparoscopic assisted vaginal hysterectomy (LAVH) and vaginal hysterectomy (VH) carried out on the occasion of non-malignant diseases and lesions of the female genital system, by assessing the: operative time, price, blood loss, hospital stay, intra and postoperative complications, satisfaction of the patient. MATERIALS AND METHODS: The study included 187 women aged 38-71 years, with hysterectomy with or without salpingo-oophorectomy by LAVH-58 (31%) women or VH-129 (69%) women, on the occasion of non-malignant diseases and lesions of the female genital system...
2016: Akusherstvo i Ginekologii︠a︡
https://www.readbyqxmd.com/read/27422591/how-should-we-teach-lumbar-manipulation-a-consensus-study
#10
Michael O'Donnell, Jo Armour Smith, Alex Abzug, Kornelia Kulig
BACKGROUND: Spinal manipulation is an effective intervention for low back pain, yet there is little consistency in how this skill is taught. OBJECTIVES: The purpose of this study was to identify what educators and clinicians believe are important characteristics of the patient and operator position prior to side-lying lumbar manipulation and the patient position and operator motion during the manipulative thrust. DESIGN: A multi-disciplinary correspondence-based Delphi method...
September 2016: Manual Therapy
https://www.readbyqxmd.com/read/27395451/single-leg-stance-control-in-individuals-with-symptomatic-gluteal-tendinopathy
#11
Kim Allison, Kim L Bennell, Alison Grimaldi, Bill Vicenzino, Tim V Wrigley, Paul W Hodges
BACKGROUND: Lateral hip pain during single leg loading, and hip abductor muscle weakness, are associated with gluteal tendinopathy, but it has not been shown how or whether kinematics in single leg stance differ in those with gluteal tendinopathy. PURPOSE: To compare kinematics in preparation for, and during, single leg stance between individuals with and without gluteal tendinopathy, and the effect of hip abductor muscle strength on kinematics. METHODS: Twenty individuals with gluteal tendinopathy and 20 age-matched pain-free controls underwent three-dimensional kinematic analysis of single leg stance and maximum isometric hip abductor strength testing...
September 2016: Gait & Posture
https://www.readbyqxmd.com/read/27292352/whole-body-frontal-plane-mechanics-across-walking-running-and-sprinting-in-young-and-older-adults
#12
J-P Kulmala, M T Korhonen, S Kuitunen, H Suominen, A Heinonen, A Mikkola, J Avela
This study investigated the whole body frontal plane mechanics among young (26 ± 6 years), early old (61 ± 5 years), and old (78 ± 4 years) adults during walking, running, and sprinting. The age-groups had similar walking (1.6 m/s) and running (4.0 m/s) speeds, but different maximal sprinting speed (young 9.3 m/s, early old 7.9 m/s, and old 6.6 m/s). Surprisingly, although the old group exerted much lower vertical ground reaction force during running and sprinting, the hip frontal plane moment did not differ between the age-groups...
June 12, 2016: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/27269798/can-a-single-leg-squat-provide-insight-into-movement-control-and-loading-during-dynamic-sporting-actions-in-patients-with-athletic-groin-pain
#13
Brendan M Marshall, Andrew D Franklyn-Miller, Kieran A Moran, Enda A King, Siobhán C Strike, Éanna C Falvey
CONTEXT: Chronic athletic groin pain (AGP) is common in field sports and has been associated with abnormal movement control and loading of the hip and pelvis during play. A single-leg squat (SLS) is commonly used by clinicians to assess movement control, but whether it can provide insight into control during more dynamic sporting movements in AGP patients is unclear. OBJECTIVE: To determine the relationships between biomechanical measures in an SLS and the same measures in a single-leg drop landing, single-leg hurdle hop, and a cutting maneuver in AGP patients...
May 2016: Journal of Sport Rehabilitation
https://www.readbyqxmd.com/read/27267771/the-effect-of-proprioceptive-knee-bracing-on-knee-stability-during-three-different-sport-related-movement-tasks-in-healthy-subjects-and-the-implications-to-the-management-of-anterior-cruciate-ligament-acl-injuries
#14
I Hanzlíková, J Richards, M Tomsa, A Chohan, K May, D Smékal, J Selfe
INTRODUCTION: Proprioceptive knee braces have been shown to improve knee mechanics, however much of the work to date has focused on tasks such as slow step down tasks rather than more dynamic sporting tasks. OBJECTIVE: This study aimed to explore if such improvements in stability may be seen during faster sports specific tasks as well as slower tasks. METHOD: Twelve subjects performed a slow step down, single leg drop jump and pivot turn jump with and without a silicone web brace...
July 2016: Gait & Posture
https://www.readbyqxmd.com/read/27172820/the-natural-history-of-osteoarthritis-what-happens-to-the-other-hip
#15
Harlan C Amstutz, Michel J Le Duff
BACKGROUND: Idiopathic osteoarthritis (OA) is a common diagnosis leading to hip arthroplasty. Patients undergoing unilateral hip arthroplasty often wonder whether their other hip will follow the same path as the one that was operated on, and if so, when? There also are limited data available to predict from AP radiographs which contralateral hips will have OA develop and which will not. QUESTIONS/PURPOSES: We sought (1) to determine the incidence of contralateral osteoarthritic degeneration in a group of patients who were treated with unilateral hip arthroplasty; and (2) to identify clinical and radiographic features associated with the development of contralateral OA...
August 2016: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/27131193/biomechanical-strategies-implemented-to-compensate-for-mild-leg-length-discrepancy-during-gait
#16
Renan A Resende, Renata N Kirkwood, Kevin J Deluzio, Silvia Cabral, Sérgio T Fonseca
Although mild leg length discrepancy is related to lower limb injuries, there is no consensus regarding its effects on the biomechanics of the lower limbs during gait. Biomechanical data of 19 healthy participants were collected while they walked under different conditions as described: (1) control condition-wearing flat thick sandals; (2) short limb condition-wearing a flat thick sandal on the left and a flat thin sandal on the right foot; (3) long limb condition: wearing flat thin sandal on the left and flat thick sandal on the right foot...
May 2016: Gait & Posture
https://www.readbyqxmd.com/read/27104053/not-all-single-leg-squats-are-equal-a-biomechanical-comparison-of-three-variations
#17
Anne Khuu, Eric Foch, Cara L Lewis
BACKGROUND: The single leg squat (SLS) is a functional task used by practitioners to evaluate and treat multiple pathologies of the lower extremity. Variations of the SLS may have different neuromuscular and biomechanical demands. The effect of altering the non-stance leg position during the SLS on trunk, pelvic, and lower extremity mechanics has not been reported. PURPOSE: The purpose of this study was to compare trunk, pelvic, hip, knee, and ankle kinematics and hip, knee, and ankle kinetics of three variations of the SLS using different non-stance leg positions: SLS-Front, SLS-Middle, and SLS-Back...
April 2016: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/26982974/the-association-between-visual-assessment-of-quality-of-movement-and-three-dimensional-analysis-of-pelvis-hip-and-knee-kinematics-during-a-lateral-step-down-test
#18
Alon Rabin, Sigal Portnoy, Zvi Kozol
Rabin, A, Portnoy, S, and Kozol, Z. The association between visual assessment of quality of movement and three-dimensional analysis of pelvis, hip, and knee kinematics during a lateral step down test. J Strength Cond Res 30(11): 3204-3211, 2016-Altered movement patterns including contralateral pelvic drop, increased hip adduction, knee abduction, and external rotation have been previously implicated in several lower extremity pathologies. Although various methods exist for assessing movement patterns, real-time visual observation is the most readily available method...
November 2016: Journal of Strength and Conditioning Research
https://www.readbyqxmd.com/read/26721228/effects-of-volitional-spine-stabilization-and-lower-extremity-fatigue-on-trunk-control-during-landing-in-individuals-with-recurrent-low-back-pain
#19
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
https://www.readbyqxmd.com/read/26685561/-using-urinary-strips
#20
Ana Barbeito García, Ana Sampayo Montenegro
INTRODUCTION: Urinalysis using reactive strip is a commonly used in clinical practice. Although mainly indicated as first step test when a urine infection it suspected, it may also be a helpful tool in the management of a wide range of disorders. DEVELOPMENT: Standard urine test strips may comprise of up to 10 different chemical pads or reagents (leukocytes, nitrites, pH, glucose, proteins, ketones, bilirubin, urobilinogen, density and blood) that allow a qualitative and semiquantitative analysis of a urine sample...
October 2015: Revista de Enfermería
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