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https://www.readbyqxmd.com/read/28542374/targeted-box-and-blocks-test-normative-data-and-comparison-to-standard-tests
#1
Kimberly Kontson, Ian Marcus, Barbara Myklebust, Eugene Civillico
BACKGROUND: The Box and Block Test (BBT) is a functional outcome measure that is commonly used across multiple clinical populations due to its benefits of ease and speed of implementation; reliable, objective measurement; and repetition of motion. In this study, we introduce a novel outcome measure called the targeted BBT that allows for the study of initiation, grasping, and transport of objects, and also of object release. These modifications to the existing test may increase the ecological validity of the measure while still retaining the previously stated benefits of the standard BBT...
2017: PloS One
https://www.readbyqxmd.com/read/28539911/the-use-of-functional-electrical-stimulation-on-the-upper-limb-and-interscapular-muscles-of-patients-with-stroke-for-the-improvement-of-reaching-movements-a-feasibility-study
#2
Alicia Cuesta-Gómez, Francisco Molina-Rueda, Maria Carratala-Tejada, Eukene Imatz-Ojanguren, Diego Torricelli, Juan Carlos Miangolarra-Page
INTRODUCTION: Reaching movements in stroke patients are characterized by decreased amplitudes at the shoulder and elbow joints and greater displacements of the trunk, compared to healthy subjects. The importance of an appropriate and specific contraction of the interscapular and upper limb (UL) muscles is crucial to achieving proper reaching movements. Functional electrical stimulation (FES) is used to activate the paretic muscles using short-duration electrical pulses. OBJECTIVE: To evaluate whether the application of FES in the UL and interscapular muscles of stroke patients with motor impairments of the UL modifies patients' reaching patterns, measured using instrumental movement analysis systems...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/28532884/the-role-of-scapular-kinematics-in-patients-with-different-shoulder-musculoskeletal-disorders-a-systematic-review-approach
#3
REVIEW
Roshanak Keshavarz, Siamak Bashardoust Tajali, Seyed Mohsen Mir, H Ashrafi
This study aimed to identify the role of the scapula in shoulder musculoskeletal disorders (SMDs) and provided a systematic review of available studies in the field of scapular three-dimensional kinematics. We systematically searched 5 international databases, including Scopus, EMBASE, PubMed, CINAHL, PEDro, and Cochrane Library from June to September 2015. Twenty studies met the inclusion criteria and were retrieved in full paper. The selected studies were critically appraised independently by two researchers...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28528016/the-influence-of-humeral-neck-shaft-angle-and-glenoid-lateralization-on-range-of-motion-in-reverse-shoulder-arthroplasty
#4
Birgit S Werner, Jean Chaoui, Gilles Walch
BACKGROUND: Recent developments in reverse shoulder arthroplasty (RSA) have focused on changes in several design-related parameters, including humeral component design, to allow for easier convertibility. Alterations in humeral inclination and offset on shoulder kinematics may have a relevant influence on postoperative outcome. This study used a virtual computer simulation to evaluate the influence of humeral neck shaft angle and glenoid lateralization on range of motion in onlay design RSA...
May 17, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28523425/characterization-of-electrocorticogram-high-gamma-signal-in-response-to-varying-upper-extremity-movement-velocity
#5
Po T Wang, Colin M McCrimmon, Christine E King, Susan J Shaw, David E Millett, Hui Gong, Luis A Chui, Charles Y Liu, Zoran Nenadic, An H Do
The mechanism by which the human primary motor cortex (M1) encodes upper extremity movement kinematics is not fully understood. For example, human electrocorticogram (ECoG) signals have been shown to modulate with upper extremity movements; however, this relationship has not been explicitly characterized. To address this issue, we recorded high-density ECoG signals from patients undergoing epilepsy surgery evaluation as they performed elementary upper extremity movements while systematically varying movement speed and duration...
May 18, 2017: Brain Structure & Function
https://www.readbyqxmd.com/read/28501953/evaluating-the-contributions-of-muscle-activity-and-joint-kinematics-to-weight-perception-across-multiple-joints
#6
Morgan L Waddell, Eric L Amazeen
Perceived heaviness is clearly a function of muscle activity: objects feel heavy, in part because they are lifted with more force than lighter feeling objects. Recent research showed that participants scale their perceptions to the ratio of muscle activity to lift acceleration during elbow lifts (Waddell et al. J Exp Psychol Hum Percept Perform 42:363-374, 2016). The current study sought psychophysiological functions relating perceived heaviness to EMG and peak lift acceleration across multiple lifts employing different muscles as prime movers...
May 13, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28496293/the-effect-of-dopaminergic-medication-on-joint-kinematics-during-haptic-movements-in-individuals-with-parkinson-s-disease
#7
Kuan-Yi Li, Pei-Yi Chu, Kristen A Pickett
This study examined whether altered joint angular motion during haptic exploration could account for a decline in haptic sensitivity in individuals with PD by analyzing joint position data during haptic exploration of a curved contour. Each participant's hand was passively moved by a robotic arm along the edges of a virtual box (5 cm × 15 cm) with a curved left wall. After each trial, participants indicated whether the contour was curved or straight. Visual, auditory, and tactile cues were occluded, and an electrogoniometer recorded shoulder and elbow joint angles during each trial...
2017: Behavioural Neurology
https://www.readbyqxmd.com/read/28478945/arm-reactions-in-response-to-an-unexpected-slip-impact-of-aging
#8
Zachary Merrill, April J Chambers, Rakié Cham
Slips and falls represent a serious public safety concern in older adults, with the segment of the United States population over the age of 65 accounting for about three quarters of all fall related deaths. The majority of falls in older adults are due to trips and slips. The objective of this study was to investigate how age affects arm reactions generated in response to unexpected slips. Thirty-three participants divided into two age groups (16 young, 17 old) participated in this study. Participants were exposed to two conditions: known dry walking (baseline) and an unexpected slip initiated when stepping onto a glycerol-contaminated floor...
April 20, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28478902/effects-of-short-malunion-of-the-clavicle-on-in-vivo-scapular-kinematics
#9
DooSup Kim, DongWoo Lee, YoungHwan Jang, JunSeop Yeom, Scott A Banks
BACKGROUND: Short malunion of the clavicle after fracture can change scapular kinematics and alter clinical outcome. However, the effects of malunion on kinematics and outcomes remains poorly understood because there have been no in vivo studies measuring changes during active motion with malunion. This study aimed to measure and to compare in vivo 3-dimensional (3D) scapular kinematics between normal shoulders and shoulders with short malunion using 3D-2-dimensional model image registration techniques...
May 3, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28472739/inter-joint-coordination-analysis-of-reach-to-grasp-kinematics-in-children-and-adolescents-with-obstetrical-brachial-plexus-palsy
#10
Christian H Mayfield, Sahana N Kukke, Sylvain Brochard, Christopher J Stanley, Katharine E Alter, Diane L Damiano
BACKGROUND: Obstetrical brachial plexus palsy is a common birth injury to nerves passing through the brachial plexus that may result in structural and functional abnormalities. Individual joint trajectories from kinematic analyses have been used to evaluate the source and extent of abnormalities. Here, two summary measures of limb kinematics were utilized: 1) the Arm Profile Score summarizing upper limb joint kinematic abnormalities from a typical pattern across a task, and 2) the recently developed Multi-joint Coordination Measure using principal component analysis to characterize typical coordination of multiple joints throughout a task and compute deviations in time and space...
April 25, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/28420897/in-vivo-analysis-of-three-dimensional-dynamic-scapular-dyskinesis-in-scapular-or-clavicular-fractures
#11
Eugene Kim, Jai Hyung Park, Byeong-Ryong Han, Hee Jin Park, So Yeon Lee, Tsuyoshi Murase, Kazumi Sugamoto, Sumika Ikemoto, Se-Jin Park
The three-dimensional (3D) kinematics of the scapula were analyzed in vivo in 10 patients with scapular and 10 patients with clavicular fracture. Both the injured shoulder and normal contralateral shoulder were evaluated by computed tomography in the neutral and fully elevated positions. 3D rotational and translational movements of the scapula relative to the thorax during arm elevation were analyzed. A computer simulation program was used to compare rotational elevation/depression in the coronal plane, anterior/posterior tilting in the sagittal plane and protraction/retraction in the axial plane between the normal and affected sides...
April 2017: Acta Medica Okayama
https://www.readbyqxmd.com/read/28411722/kinematic-and-ergonomic-assessment-of-laparoendoscopic-single-site-surgical-instruments-during-simulator-training-tasks
#12
M Susan Hallbeck, Bethany R Lowndes, Bernadette McCrory, Melissa M Morrow, Kenton R Kaufman, Chad A LaGrange
While laparoendoscopic single-site surgery (LESS) appears to be feasible and safe, instrument triangulation, tissue handling, and other bimanual tasks are difficult even for experienced surgeons. Novel technologies emerged to overcome LESS' procedural and ergonomic difficulties of "tunnel vision" and "instrument clashing." Surgeon kinematics, self-reported workload and upper body discomfort were used to compare straight, bent and two articulating instruments while performing two basic surgical tasks in a LESS simulator...
July 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28402687/seat-belt-pre-pretensioner-effect-on-child-sized-dummies-during-run-off-road-events
#13
Isabelle Stockman, Katarina Bohman, Lotta Jakobsson
OBJECTIVE: Run-off-road events occur frequently and can result in severe consequences. Several potential injury-causing mechanisms can be observed in the diverse types of run-off-road events. Real-world data show that different types of environments, such as rough terrain, ditch types, and whether multiple events occur, may be important contributing factors to occupant injury. Though countermeasures addressing front seat occupants have been presented, studies on rear seat occupant retention in situations such as run-off-road events are lacking...
May 29, 2017: Traffic Injury Prevention
https://www.readbyqxmd.com/read/28395854/using-the-microsoft-kinect%C3%A2-to-assess-3-d-shoulder-kinematics-during-computer-use
#14
Xu Xu, Michelle Robertson, Karen B Chen, Jia-Hua Lin, Raymond W McGorry
Shoulder joint kinematics has been used as a representative indicator to investigate musculoskeletal symptoms among computer users for office ergonomics studies. The traditional measurement of shoulder kinematics normally requires a laboratory-based motion tracking system which limits the field studies. In the current study, a portable, low cost, and marker-less Microsoft Kinect™ sensor was examined for its feasibility on shoulder kinematics measurement during computer tasks. Eleven healthy participants performed a standardized computer task, and their shoulder kinematics data were measured by a Kinect sensor and a motion tracking system concurrently...
April 7, 2017: Applied Ergonomics
https://www.readbyqxmd.com/read/28395170/the-effects-of-walking-speed-on-upper-body-kinematics-during-gait-in-healthy-subjects
#15
Jacqueline Romkes, Katrin Bracht-Schweizer
Patients undergoing a clinical gait analysis often walk slower than healthy people. However, data on how speed affects upper body movements, especially of the arms and shoulders, are scarce. Therefore, in this descriptive study, we examined how changes in walking speed affect upper-body kinematics and aspects of intersegmental coordination between upper and lower body during overground walking in a group of healthy adult subjects. Three-dimensional gait data were collected on 20 healthy subjects (aged between 22 and 31 years) walking at six speeds ranging from extremely slow to very fast...
March 24, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28385001/comparative-kinematic-gait-analysis-in-young-and-old-beagle-dogs
#16
Malin Lorke, Maray Willen, Karin Lucas, Martin Beyerbach, Patrick Wefstaedt, Hugo Murua Escobar, Ingo Nolte
Age-related involution in dogs involves loss of muscle mass and changes in connective tissue and articular cartilage. The aim of this study was to examine whether an age-related influence on joint mobility can be detected in the absence of diseases. Five young (Ø 2.0 years) and five old (Ø 10.4 years) healthy and sound Beagle dogs were measured during locomotion on a treadmill by computer-assisted gait analysis. Angles of the shoulder, elbow, carpal, hip, stifle and tarsal joints were analyzed, including joint angle progression curves, minimum and maximum joint angles and range of motion (ROM)...
April 6, 2017: Journal of Veterinary Science
https://www.readbyqxmd.com/read/28359696/partial-thickness-tears-involving-the-rotator-cable-lead-to-abnormal-glenohumeral-kinematics
#17
Gregory J Pinkowsky, Neal S ElAttrache, Alexander B Peterson, Masaki Akeda, Michelle H McGarry, Thay Q Lee
HYPOTHESIS: The objective of this study was to determine the biomechanical function of the rotator cable when a partial-thickness (>50%) tear is present. We compared intact specimens with partial tears of the anterior cable followed by partial anterior and posterior tears in regard to glenohumeral kinematics and translation. The hypothesis was that partial-thickness tears will lead to abnormal glenohumeral biomechanics, including glenohumeral translation and path of glenohumeral articulation...
March 27, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28350234/inclined-weight-loaded-walking-at-different-speeds-pelvis-shoulder-coordination-trunk-movements-and-cost-of-transport
#18
Rodrigo Gomes da Rosa, Natalia Andrea Gomeñuka, Henrique Bianchi de Oliveira, Leonardo Alexandre Peyré-Tartaruga
Although studied at level surface, the trunk kinematics and pelvis-shoulder coordination of incline walking are unknown. The aim of this study was to evaluate the speed effects on pelvis-shoulder coordination and trunk movement and the cost of transport (C) during unloaded and loaded (25% of body mass) 15% incline walking. We collected 3-dimensional kinematic and oxygen consumption data from 10 physically active young men. The movements were analyzed in the sagittal plane (inclination and range of trunk motion) and the transverse plane (range of shoulder and pelvic girdle motion and phase difference)...
March 28, 2017: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28347934/kinematic-analysis-of-the-shoulder-complex-after-anatomic-and-reverse-total-shoulder-arthroplasty-a-cross-sectional-study
#19
Alexandra Roren, Christelle Nguyen, Clémence Palazzo, Fouad Fayad, Michel Revel, Thomas Gregory, Serge Poiraudeau, Agnès Roby-Brami, Marie-Martine Lefèvre-Colau
BACKGROUND: The movement of the arm relative to the trunk results from coordinated 3D glenohumeral and scapulothoracic movements. Changes in scapula kinematics may occur after total shoulder arthroplasty and could affect clinical and functional outcomes. OBJECTIVES: To assess the 3D movement of the scapula during arm elevation after anatomic and reverse total shoulder arthroplasty. DESIGN/METHODS: This was a single-centre, non-randomized, controlled cross-sectional study...
June 2017: Musculoskeletal Science & Practice
https://www.readbyqxmd.com/read/28327058/extending-energy-optimization-in-goal-directed-aiming-from-movement-kinematics-to-joint-angles
#20
James J Burkitt, Raoul M Bongers, Digby Elliott, Steve Hansen, James L Lyons
Energy optimization in goal-directed aiming has been demonstrated as an undershoot bias in primary movement endpoint locations, especially in conditions where corrections to target overshoots must be made against gravity. Two-component models of upper limb movement have not yet considered how joint angles are organized to deal with the energy constraints associated with moving the upper limb in goal-directed aiming tasks. To address this limitation, participants performed aiming movements to targets in the up and down directions with the index finger and two types of rod extensions attached to the index finger...
March 2017: Journal of Motor Behavior
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