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continuous passive motion

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https://www.readbyqxmd.com/read/30321902/continuous-passive-motion-does-improve-range-of-motion-pain-and-swelling-after-acl-reconstruction-a-systematic-review-and-meta-analysis
#1
Theo Jaspers, Jan Taeymans, Anja Hirschmüller, Heiner Baur, Roger Hilfiker, Slavko Rogan
BACKGROUND: This systematic review and meta-analysis evaluates the results of empirical studies on the effects of CPM on rehabilitation after ACL reconstruction. The research question was: what are the effects of CPM on ROM, swelling and pain after ACL reconstruction? PATIENTS/MATERIAL AND METHODS: We searched in MEDLINE, Embase, CINAHL, Cochrane and PEDro up to January 2018. Standardized mean differences (SMD) were expressed as Hedges' g, in order to correct for overestimation of the true effect in small study samples...
October 15, 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/30276023/a-novel-approach-to-treatment-utilizing-breathing-and-a-total-motion-release%C3%A2-exercise-program-in-a-high-school-cheerleader-with-a-diagnosis-of-frozen-shoulder-a-case-report
#2
Krystal A Tyree, James May
Background and Purpose: Frozen shoulder (FS) is a condition of the shoulder that is characterized by gradual loss of passive and active range of motion of the glenohumeral joint. Current treatment recommendations remain unclear due to the elusive etiology of FS and absence of nomenclature in the literature. The purpose of this case report is to describe the effects of treatment guided by the assessment and treatment of a breathing pattern disorder (BPD) coupled with Total Motion Release® on a 17-year high school cheerleader with a diagnosis of frozen shoulder...
August 2018: International Journal of Sports Physical Therapy
https://www.readbyqxmd.com/read/30257925/all-common-bipedal-gaits-emerge-from-a-single-passive-model
#3
Zhenyu Gan, Yevgeniy Yesilevskiy, Petr Zaytsev, C David Remy
In this paper, we systematically investigate passive gaits that emerge from the natural mechanical dynamics of a bipedal system. We use an energetically conservative model of a simple spring-leg biped that exhibits well-defined swing leg dynamics. Through a targeted continuation of periodic motions of this model, we systematically identify different gaits that emerge from simple bouncing in place. We show that these gaits arise along one-dimensional manifolds that bifurcate into different branches with distinctly different motions...
September 26, 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/30253633/resting-and-traveling-localized-states-in-an-active-phase-field-crystal-model
#4
Lukas Ophaus, Svetlana V Gurevich, Uwe Thiele
The conserved Swift-Hohenberg equation (or phase-field-crystal [PFC] model) provides a simple microscopic description of the thermodynamic transition between fluid and crystalline states. Combining it with elements of the Toner-Tu theory for self-propelled particles, Menzel and Löwen [Phys. Rev. Lett. 110, 055702 (2013)PRLTAO0031-900710.1103/PhysRevLett.110.055702] obtained a model for crystallization (swarm formation) in active systems. Here, we study the occurrence of resting and traveling localized states, i...
August 2018: Physical Review. E
https://www.readbyqxmd.com/read/30251962/multimodal-atomic-force-microscopy-with-optimized-higher-eigenmode-sensitivity-using-on-chip-piezoelectric-actuation-and-sensing
#5
Michael G Ruppert, Steven I Moore, Michal Zawierta, Andrew Fleming, Gino Putrino, Yuen Kuan Yong
Atomic force microscope (AFM) cantilevers with integrated actuation and sensing provide several distinct advantages over conventional cantilever instrumentation. These include clean frequency responses, the possibility of down-scaling and parallelization to cantilever arrays as well as the absence of optical interference. While cantilever microfabrication technology has continuously advanced over the years, the overall design has remained largely unchanged; a passive rectangular shaped cantilever design has been adopted as the industry wide standard...
September 25, 2018: Nanotechnology
https://www.readbyqxmd.com/read/30233968/interlocking-nail-fixation-for-the-treatment-of-displaced-intra-articular-calcaneal-fractures
#6
Michael Amlang, Hans Zwipp, Martin Pompach, Stefan Rammelt
Introduction: Less invasive restoration of joint congruity and calcaneal shape in displaced intra-articular calcaneal fractures via a sinus tarsi approach followed by percutaneous internal fixation with an interlocking nail results in a low rate of soft-tissue complications and good short-term outcomes1 (Video 1). Indications & Contraindications: <AbstractText Label="Step 1 Patient Placement" NlmCategory="UNASSIGNED">Place the patient in the lateral decubitus position, supporting the involved extremity with a soft radiolucent pillow, flex the contralateral knee, check with fluoroscopy before draping, and obtain lateral radiographs...
December 28, 2017: JBJS Essential Surgical Techniques
https://www.readbyqxmd.com/read/30195220/gait-analysis-of-patients-with-continuous-proximal-sciatic-nerve-blockade-in-flexion-contractures-after-primary-total-knee-arthroplasty
#7
Meng Zhou, Shuai An, Mingli Feng, Zheng Li, Huiliang Shen, Kuan Zhang, Jun Sun, Guanglei Cao
BACKGROUND: The main objective of total knee arthroplasty is to relieve pain, restore normal knee function, and improve gait stability. Significant flexion contractures can severely impair function after surgery. The purpose of this study is to evaluate the efficacy of implementing a continuous proximal sciatic nerve block in conjunction with aggressive physical therapy to treat patients with persistent flexion contractures that were recalcitrant to rehabilitation efforts following primary total knee arthroplasty (TKA)...
October 2018: Gait & Posture
https://www.readbyqxmd.com/read/30180691/doppler-passive-fathometry
#8
Chris H Harrison
Passive fathometry is a technique whereby broadband ambient ocean noise received on an array of hydrophones is averaged and cross-correlated to produce a sub-bottom profile [Siderius, Harrison, and Porter (2006). J. Acoust. Soc. Am. 120 , 1315-1323]. Here this technique is extended to determine the vertical velocity of the array, and compensate for it, without any prior knowledge, i.e., Doppler Passive Fathometry. For Fourier transform lengths beyond a certain limit, the differing Doppler between the direct and bottom reflected paths spoils the correlation match, however it is shown by using some experimental data, where the array was known to suffer from arbitrary but near periodic motion, that compensation is possible, enabling continuing time integration...
August 2018: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/30167425/arthroscopic-superior-capsule-reconstruction-for-irreparable-rotator-cuff-tear-and-axillary-nerve-palsy-associated-with-anterior-dislocation-of-the-shoulder
#9
Furuya Kanji, Nishinaka Naoya, Uehara Taishi, Tsutsui Hiroaki
Introduction: This report describes a case of irreparable massive rotator cuff tear and axillary nerve palsy associated with shoulder dislocation successfully treated by arthroscopic superior capsule reconstruction (ASCR), with a favorable post-operative outcome. Case Report: A 76-year-old man, injured from a fall while walking, presented to another hospital with right shoulder pain and a limited range of motion (ROM) 3 days after the injury. Given a diagnosis of right shoulder dislocation, he received manual reduction followed by immobilization with a sling...
March 2018: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/30046784/unichip-enables-long-term-recirculating-unidirectional-perfusion-with-gravity-driven-flow-for-microphysiological-systems
#10
Ying I Wang, Michael L Shuler
Microphysiological systems, also known as body-on-a-chips, are promising "human surrogates" that may be used to evaluate potential human response to drugs in preclinical drug development. Various microfluidics-based platforms have been proposed to interconnect different organ models and provide perfusion in mimicking the blood circulation. We have previously developed a pumpless platform that combines gravity-driven fluid flow and a rocking motion to create reciprocating flow between reservoirs for recirculation...
August 21, 2018: Lab on a Chip
https://www.readbyqxmd.com/read/30039295/repair-with-bicortical-suspension-device-restores-proximal-tibiofibular-joint-motion
#11
Pedro Pessoa, Teresa Alves-da-Silva, Francisco Guerra-Pinto
PURPOSE: Dislocation of the proximal tibiofibular joint is a complex injury that is often overlooked or misdiagnosed. Surgical treatment is recommended for severe acute or for chronic symptomatic instability but there is still no evidence on the optimal reconstruction technique. The purpose of this study is to analyze the motion of the proximal tibiofibular joint after repair with a bicortical suspension device as compared to its normal kinematics. METHODS: Kinematic analysis of the proximal tibiofibular joint was performed during continuous passive motion of the knee and ankle in 7 whole body cadavers in a controlled laboratory study...
July 23, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/30023367/short-term-outcomes-for-total-knee-arthroplasty-patients-with-active-extension-lag
#12
Tanner L McGinn, Jennifer I Etcheson, Chukwuweike U Gwam, Nicole E George, Nequesha S Mohamed, Jaydev B Mistry, Ugochi Ananaba, Anil Bhave
Background: Despite the success of total knee arthroplasty (TKA), quadriceps strength can fail to recover. Active extension lag [quadriceps lag (Q-lag)] is a function of quadriceps weakness. Q-lag presents itself in patients who maintain a full passive range of motion (ROM), but are limited in active extension ROM. Few studies have evaluated the outcomes of post-TKA patients in the presence of post-operative Q-lag. Thus, this study aims to compare: (I) pain scores; and (II) rates of readmission to physical therapy (PT) in TKA patients with Q-lag of ≥15 degrees to patients without Q-lag...
June 2018: Annals of Translational Medicine
https://www.readbyqxmd.com/read/29960775/short-communication-chronology-of-different-sexual-behaviors-and-motion-activity-during-estrus-in-dairy-cows
#13
H Dobson, J Williams, J E Routly, D N Jones, J Cameron, A Holman-Coates, R F Smith
In studying the efficiency of a variety of methods for estrus detection in a large dairy herd, we suspected a definite sequence of estrus signs. Consequently, we observed a subset of animals continuously between 0400 and 2400 h, making a note of the precise timing and frequency of each sexual behavior. Sixteen Holstein-Friesian cows, >20 d postpartum, were equipped with motion activity-sensing neck collars and had milk progesterone profiles monitored simultaneously. The duration between the first and last observed estrus behavior was (mean ± SE) 14...
September 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29941382/gait-abnormality-predicts-falls-in-women-after-total-hip-arthroplasty
#14
Hisashi Ikutomo, Koutatsu Nagai, Keiichi Tagomori, Namika Miura, Norikazu Nakagawa, Kensaku Masuhara
BACKGROUND: Patients who undergo total hip arthroplasty (THA) have an increased risk of falls during the first year postoperatively. However, risk factors for falls after THA remain unclear. We investigated the relationship between gait abnormality and falls during the first year after THA. METHODS: We conducted a prospective cohort study of 286 patients with severe hip osteoarthritis who underwent THA and examined fall history during the first year postoperatively...
June 6, 2018: Journal of Arthroplasty
https://www.readbyqxmd.com/read/29927631/therapeutic-effects-of-the-addition-of-platelet-rich-plasma-to-bioimplants-and-early-rehabilitation-exercise-on-articular-cartilage-repair
#15
Nai-Jen Chang, Yanjmaa Erdenekhuyag, Pei-Hsi Chou, Chih-Jou Chu, Chih-Chan Lin, Ming-You Shie
BACKGROUND: Treating articular cartilage lesions is clinically challenging. However, whether the addition of autologous platelet-rich plasma (PRP) to bioimplants along with early rehabilitation exercise provides therapeutic effects and regenerates the osteochondral defect remains uninvestigated. HYPOTHESIS: The addition of PRP to a polylactic-co-glycolic acid (PLGA) scaffold along with continuous passive motion (CPM) in osteochondral defects may offer beneficial in situ microenvironment changes to facilitate hyaline cartilage and subchondral bone tissue repair...
July 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29888143/a-locomotion-control-platform-with-dynamic-electromagnetic-field-for-active-capsule-endoscopy
#16
Fahad N Alsunaydih, Jean-Michel Redoute, Mehmet R Yuce
Conventional radiological and endoscopic techniques utilizing long tubes were ineffective in visualizing the small bowel mucosa until the development of wireless capsule endoscopy (WCE). WCE is a revolutionary endoscopic technology that can diagnose the complete gastrointestinal tract. However, the existing capsule technologies are passive, and thus they cannot be navigated to or held in a specific location. The design of an active capsule will present the opportunity to move and stop a device at any targeted locations leading to numerous medical applications such as drug delivery or collecting tissue samples for examinations in the laboratory...
2018: IEEE Journal of Translational Engineering in Health and Medicine
https://www.readbyqxmd.com/read/29858655/implant-preloading-in-extension-reduces-spring-length-change-in-dynamic-intraligamentary-stabilization-a-biomechanical-study-on-passive-kinematics-of-the-knee
#17
Janosch Häberli, Benjamin Voumard, Clemens Kösters, Daniel Delfosse, Philipp Henle, Stefan Eggli, Philippe Zysset
PURPOSE: Dynamic intraligamentary stabilization (DIS) is a primary repair technique for acute anterior cruciate ligament (ACL) tears. For internal bracing of the sutured ACL, a metal spring with 8 mm maximum length change is preloaded with 60-80 N and fixed to a high-strength polyethylene braid. The bulky tibial hardware results in bone loss and may cause local discomfort with the necessity of hardware removal. The technique has been previously investigated biomechanically; however, the amount of spring shortening during movement of the knee joint is unknown...
June 1, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29845085/can-weakness-in-end-range-plantar-flexion-after-achilles-tendon-repair-be-prevented
#18
Karl F Orishimo, Sidse Schwartz-Balle, Timothy F Tyler, Malachy P McHugh, Benjamin B Bedford, Steven J Lee, Stephen J Nicholas
Background: Disproportionate end-range plantar flexion weakness, decreased passive stiffness, and inability to perform a heel rise on a decline after Achilles tendon repair are thought to reflect increased tendon compliance or tendon lengthening. Since this was first noted, we have performed stronger repairs and avoided stretching into dorsiflexion for the first 12 weeks after surgery. Hypothesis: Using stronger repairs and avoiding stretching into dorsiflexion would eliminate end-range plantar flexion weakness and normalize passive stiffness...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29771607/mechanistic-insights-into-the-modulatory-role-of-the-mechanoreflex-on-central-hemodynamics-using-passive-leg-movement-in-humans
#19
Nicholas T Kruse, William E Hughes, Darren P Casey
The aim of this study was to examine the independent contributions of joint range of motion (ROM), muscle fascicle length (MFL), and joint angular velocity on mechanoreceptor-mediated central cardiovascular dynamics using passive leg movement (PLM) in humans. Twelve healthy men (age: 23 ± 2 yr, body mass index: 23.7 kg/m2 ) performed continuous PLM at various randomized joint angle ROMs (0°-50° vs. 50°-100° vs. 0°-100°) and joint angular velocities ("fast": 200°/s vs. "slow": 100°/s)...
August 1, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29706729/use-of-a-multivector-mandibular-distractor-for-treatment-of-pediatric-proximal-interphalangeal-joint-pilon-fractures-a-case-based-review
#20
Rachel Pedreira, Brian H Cho, Angela Geer, Ramon A DeJesus
Background: The difficulties in surgical treatment of pilon fractures of the finger include fragment reconstitution and posthealing stiffness. In adults, external fixation with traction and early active range of motion (AROM)/passive range of motion (PROM) during healing is considered necessary for avoiding joint stiffness and attaining realignment. The authors present a unique approach to pediatric pilon fractures that uses open reduction and multivector external fixation with delayed AROM/PROM...
April 2018: Journal of Hand and Microsurgery
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