• Large movement datasets are increasingly common and there is a need for efficient methods of data exploration that adjust to the individual variability of each track. (movebank.org)
  • When performing a physical exam, you might see subclinical, delayed, or individual variability in the initial presentation. (cdc.gov)
  • Three different measures (cycle-to-cycle SD, sample entropy, and the goal equivalent manifold) were used to quantify MV. In a symmetric lifting task, experienced workers had more constrained movement than novices, and experienced workers exhibited more consistent behavior in the asymmetric condition. (cdc.gov)
  • To get a better handle on the negative effects of stress, we need to understand its opposite-relaxation," says Jens Pruessner, head of the Neuropsychology lab and Professor at the Cluster of Excellence "Center for the Advanced Study of Collective Behavior" at the University of Konstanz. (stress.org)
  • Motor neuroscience and brain-machine interface (BMI) design is based on examining how the brain controls voluntary movement, typically by recording neural activity and behavior from animal models. (stanford.edu)
  • We have established a freely-moving rhesus monkey model employing technology that transmits neural activity from an intracortical array using a head-mounted device and records behavior through computer vision using markerless motion capture. (stanford.edu)
  • However, this variability can also be a great advantage for learning, as it can facilitate generalization, the application of learned behavior to new stimuli. (dpz.eu)
  • Identification and classification of behavior states in animal movement data can be complex, temporally biased, time-intensive, scale-dependent, and unstandardized across studies and taxa. (movebank.org)
  • We present the Residence in Space and Time (RST) method to classify behavior patterns in movement data based on the concept that behavior states can be partitioned by the amount of space and time occupied in an area of constant scale. (movebank.org)
  • We use grey-headed albatross (Thalassarche chrysostoma) GPS tracks to demonstrate RST's ability to classify behavior patterns and adjust to the inherent scale and individuality of each track. (movebank.org)
  • Next, we evaluate RST's ability to discriminate between behavior states relative to other classical movement metrics. (movebank.org)
  • We conclude that RST is a robust, rapid, and flexible method for detailed exploratory analysis and meta-analyses of behavioral states in animal movement data based on its ability to integrate distance and time measurements into one descriptive metric of behavior groupings. (movebank.org)
  • Given the increasing amount of animal movement data collected, it is timely and useful to implement a consistent metric of behavior classification to enable efficient and comparative analyses. (movebank.org)
  • Overall, the application of RST to objectively explore and compare behavior patterns in movement data can enhance our fine- and broad- scale understanding of animal movement ecology. (movebank.org)
  • Ataxia describes a condition characterized by poor coordination of movements. (bcm.edu)
  • Coordination variability reveals the features of the 'independent seat' in competitive dressage riders. (shu.ac.uk)
  • This study investigated the inter-segmental coordination variability between the vertical displacement of a riding simulator and the pitch rotation of 28 competitive female dressage riders' head, trunk, pelvis, and left foot, in simulated medium and extended trot. (shu.ac.uk)
  • A statistical non-parametric mapping three-way repeated-measures ANOVA investigated the influence of gait, competition level and segment on coordination variability. (shu.ac.uk)
  • Significantly greater coordination variability of simulator-head and -foot relative to the trunk and pelvis suggested that riders can maintain stability in the saddle with their trunk and pelvis while allowing greater variability of their head and foot coupling to the simulator's vertical displacement. (shu.ac.uk)
  • Participants with hemiparesis made slower movements in both environments compared to healthy subjects and during transport and placing of the ball, trajectories were more curved and interjoint coordination was altered. (biomedcentral.com)
  • Free throw accuracy and movement patterns were recorded, with the latter subsequently used to calculate elbow-wrist coordination variability. (humankinetics.com)
  • Results indicated superior shooting accuracy and reduced movement coordination variability for instructional self-talk compared to baseline conditions, whereas no differences emerged for motivational self-talk. (humankinetics.com)
  • Overview of Movement and Cerebellar Disorders Voluntary movement requires complex interaction of the corticospinal (pyramidal) tracts, basal ganglia, and cerebellum (the center for motor coordination) to ensure smooth, purposeful movement. (msdmanuals.com)
  • Their significance is debated, but generally those occurring in the posterior head regions are regarded as benign. (medscape.com)
  • Attenuation of the PDR can also be seen as a low-voltage normal variant, in this case the other principles underpinning a normal background are present including reactivity, variability, and anterior to posterior gradient with faster frequencies anterior. (medscape.com)
  • Ataxia may cause involuntary eye movements (nystagmus), incoordination of hands, difficulty with fine motor tasks (such as eating or writing), slurring of speech, and an unsteady walk. (bcm.edu)
  • These corrective eye movements, known as nystagmus, have a slow phase and a quick phase. (medscape.com)
  • A head or pelvic sensor can be applied backwards and still provide an accurate analysis because the analysis uses the vertical acceleration of the sensor and the sensing element is fitted in the center of the sensor (not off to a side). (equinosis.support)
  • however, pelvic movement outliers are currently not removed. (equinosis.support)
  • This is because significant hind limb outliers are quite uncommon, given the lower natural stride to stride variability of pelvic movement. (equinosis.support)
  • Improvement in body symmetry is expected, assessed by static visual inspection recording characteristics of the feet, knees, shoulder, lumbar spine, thoracic spine, cervical spine, head position and cranial and pelvic asymmetries. (who.int)
  • AIM To observe the effect of vestibular stimulation by head movement on cardiovascular functions during short-arm centrifugation. (xml-journal.net)
  • In the absence of stimulation, otolith afferents display differences in the variability of their resting discharge and can be classified as regular or irregular. (elifesciences.org)
  • Spontaneous variability and reactivity with stimulation or eye closure/opening should be present. (medscape.com)
  • It was also observed that the pre-stimulus EEG baseline variability exceeded that of the negative peak (NEG) following P300, i.e. the peak to which the peak-peak index refers P300 for computation. (researchgate.net)
  • This suggests that water movement in these soils may move mostly laterally rather than leaching towards groundwater. (usda.gov)
  • Due to these redundancies, inherent variations exist in human movement, called motor variability (MV). Current evidence suggests that MV can be beneficial, and that there is an inverse association between MV and risk of injury. (cdc.gov)
  • Many such traits are physical characteristics, as we've discussed before , but research on numerous species suggests that certain variations in movement patters can also be "sexy," particularly when displayed by males and preferred by females, as seen in some birds, ungulates and crustaceans, for instance. (generallythinking.com)
  • This suggests that training of arm movements in VR environments may be a valid approach to the rehabilitation of patients with motor disorders. (biomedcentral.com)
  • Accumulated evidence suggests head-on collisions have a more pronounced effect on genome instability, perhaps because more extensive changes to the machinery and template are needed to resolve such conflicts [ 12 ], some of which might result in increased single-stranded DNA gaps and DNA double strand break (DSB) formation [ 13 ]. (biomedcentral.com)
  • We also assessed variability in gait parameters to compare gait adaptability using a head-worn display (HWD) compared with head-down displays for visual information presentation. (cdc.gov)
  • An effective strategy we observed for performing a cognitive task successfully during walking was to increase gait variability in the goal direction. (cdc.gov)
  • In addition, we found that head-up walking had smaller effects on MV, suggesting that HWDs are a promising technology to reduce adverse events during gait (e.g., falls). (cdc.gov)
  • Using computational methods, we further demonstrated that coupled increases in intrinsic variability and sensitivity accounted for the observed functional differences between afferent classes. (elifesciences.org)
  • Many factors influence the variability of toxicity, including respiratory rate, target organ sensitivity, body fat content, and general health. (cdc.gov)
  • To better understand how the CNS manipulates MV to reduce injury risks, we investigated the effects of individual differences, task-relevant aspects, and psychological factors as modifiers of MV. Earlier work found that experienced workers adapted more stable movements than novices in repetitive lifting tasks. (cdc.gov)
  • Despite these differences, patients with hemiparesis also tended to use less wrist extension during the whole movement and more elbow extension at the end of the placing phase. (biomedcentral.com)
  • Differences in movements made by healthy subjects in the two environments may be explained by the use of a 2D instead of a 3D virtual environment and the absence of haptic feedback from the VR target. (biomedcentral.com)
  • Despite these differences, our findings suggest that both healthy subjects and individuals with motor deficits used similar movement strategies when grasping and placing a ball in the two reality conditions. (biomedcentral.com)
  • Despite these differences, it is currently standard practice among population-environment scholars to measure the demographic impacts of climate variability and (implicitly or explicitly) use those estimates to inform expectations about the likely effects of future climate change (e.g. (springer.com)
  • Presentation azimuth is one factor that may vary across verification procedures due to patient head movements and/or differences in speaker placement by the audiologist. (biomedres.us)
  • Beware of compensatory movements that contribute to this rotation though. (mytpi.com)
  • As a result, good range of motion in the thoracic spine and hips can help reduce the amount of compensatory movements in the swing. (mytpi.com)
  • Having established where the rotation should be coming from, we can propose that there are plenty of golfers out there who are generating their backswing 'turn' through other compensatory movements! (mytpi.com)
  • The result is a compensatory movement of the eyes. (medscape.com)
  • Cables allow for constant tension throughout the movement placing stress on the muscle during both the eccentric and concentric portions of the movement. (tigerfitness.com)
  • The second number indicates the time spent in between the eccentric and concentric portion of the movement (ex: the bottom position of a squat). (sagacoaching.com)
  • This blog focuses on function number 2 -- the ability of the spine to allow movement of the head and trunk -- and in particular, the movement of the trunk. (mytpi.com)
  • 0.001) less variable than simulator-head, -trunk, and -foot couplings. (shu.ac.uk)
  • The 3D-PAT provides reliable and valid 3D measurements of five of the nine postural angles i.e. head flexion, neck flexion, cranio-cervical angle, trunk flexion and head lateral bending in adolescents undertaking a standard task. (biomedcentral.com)
  • movements may be incorporated into semipurposeful acts that mask the involuntary. (msdmanuals.com)
  • Vibrissae movements are produced by contractions of facial musculature, head movements and locomotion. (scholarpedia.org)
  • As previously stated, the visual and vestibular systems interact to maintain visual clarity of objects during locomotion and other head movement. (medscape.com)
  • Further, all participants showed significant increases in heart rate variability, which demonstrates that the PNS was activated and the body physiologically relaxed just by resting alone. (stress.org)
  • These data provide a first-order understanding of historical shoreline variability that supplement the estimates of coastal change determined by the geometric model. (coastalatlas.net)
  • This observation raises the fundamental question of how the otolith system provides estimates of both dynamic head motion and static orientation relative to gravity. (elifesciences.org)
  • These findings suggest a scenario where collisions between DNA replication and transcription are frequent, leading to increased genetic variability, as seen by the increase SNP levels at chromosome subtelomeres and in DGF-1 genes containing putative origins. (biomedcentral.com)
  • How the enormous variability in the environment affects this learning process was unclear until now. (dpz.eu)
  • In a sleep lab, the amount of information is enormous: the amount of wires attached to your body (head, legs, fingers) makes you look like spaghetti. (insights4print.ceo)
  • Kinematics of functional arm movements involving reaching, grasping and releasing made in physical and virtual environments were analyzed in two phases: 1) reaching and grasping the ball and 2) ball transport and release. (biomedcentral.com)
  • We addressed this shortcoming within the existent literature and examined the comparative effects of instructional and motivational self-talk on basketball free throw shooting accuracy and salient movement kinematics. (humankinetics.com)
  • They applied two different ten-minute massages on human subjects in the laboratory to test: A head-and-neck massage was designed to actively stimulate the PNS by applying moderate pressure on the vagal nerve, which is the largest nerve running to the PNS. (stress.org)
  • Then a neck-and-shoulder massage with soft stroking movements was designed to examine whether just touch can also be relaxing. (stress.org)
  • Especially the caudally directed forces hold up the anterior movement of the horse and areas as the temporomandibular joint, the neck and the caudal cervical joints may be areas of high load. (uzh.ch)
  • Because the upward and downward movement of the head is related (due to its attachment to the torso via the neck, which acts. (equinosis.support)
  • 2019), suggesting that increased variability of responses (i.e., where exactly the correct response panel is hit on a touch screen) can be influenced by the high cognitive load in a dual-task paradigm. (sfu.ca)
  • However, a recent study revealed that maintaining a seated posture while performing a cognitive task caused the largest decrements in the cognitive task - compared to relaxed lying and slight movement (Langhanns & Müller, 2018). (sfu.ca)
  • RESULTSCompared to those pre-exposure, heart rate, diastolic pressure, low frequency of HRV and the ratio of low frequency to high frequency (LH/HF) decreased significantly in subjects with head-turns during short-arm centrifugation. (xml-journal.net)
  • Diastolic pressure was significantly higher, whereas LH/HF had a tendency to increase in the subjects with head-turns compared with those in the subjects with head still during short-arm centrifugation. (xml-journal.net)
  • Conventions for representing vibrissa position, translation and rotation in head-centered Cartesian coordinates. (scholarpedia.org)
  • A rotation of the head is detected, which triggers an inhibitory signal to the extraocular muscles on one side and an excitatory signal to the muscles on the other side. (medscape.com)
  • The sternoclavicular joint allows 30-35 º of upward elevation, 35 º of anteroposterior movement, and 44-50 º of rotation about the long axis of the clavicle. (medscape.com)
  • Based on these results, we conclude that increasing variability is an adaptive strategy in response to fatigue. (cdc.gov)
  • However, how we improve movement in the thoracic region and transfer it to the golf swing needs further investigation. (mytpi.com)
  • Non-rhythmic vibrissae movements also serve many behavioral processes, such as social interactions (Wolfe et al. (scholarpedia.org)
  • We aim to design a freely-moving animal model using neural and behavioral recording technologies that do not constrain movement. (stanford.edu)
  • In sum, our findings suggest that climate variability can influence child mobility, albeit in complex and in some cases context-specific ways. (springer.com)
  • The findings of this study indicate that head position or movement during verification measures may affect measured performance with hearing aids and cochlear implants. (biomedres.us)
  • He is also receiv- of the head revealed severe frontotemporal ing regular physiotherapy. (who.int)
  • 2001)⁠. Whisking is coordinated with head and body movements, which enables rapid sampling of the proximal environment during spatial exploration. (scholarpedia.org)
  • The proximal articular surface of the humerus is termed the humeral head. (medscape.com)
  • The paper gives an overview about reins and bits and their influence on the movements in horses. (uzh.ch)
  • The great variability in bits and reins makes it very difficult to judge their influence. (uzh.ch)
  • We leached a salt through the layers of soil at different water levels to study how the porosity of the soil affected the movement of the salt solution. (usda.gov)
  • The goal of this study was to compare movements done in physical and virtual environments in adults with motor deficits to those in healthy individuals. (biomedcentral.com)
  • In this study, we focus on the implications of climate variability for the movement of children by examining the association between climate exposures and the in- and out-fostering of children in sub-Saharan Africa. (springer.com)
  • More broadly, this study shows that new attention to the links between climate variability, child fostering, and other understudied forms of spatial mobility is needed to fully understand the effects of climate change on human populations. (springer.com)
  • In our study, we wanted to find out how the visual system copes with the challenge of variability and still achieves high learning performance," said Giorgio Manenti, lead author of the study. (dpz.eu)
  • Criticism is formulated both towards social theorists who ignore the study of religious movements, and those engaging in social studies of Islamic activism without regarding Sufism a potential subject matter. (lu.se)
  • Applications of motor variability for assessing repetitive occupational tasks. (cdc.gov)
  • The sensitive hand of the rider is able to avoid pain and damage to the horses head and enables controlled, but not restricted movements. (uzh.ch)
  • Vibrissae positions relative to the head are typically measured by high-speed videography (Knutsen et al. (scholarpedia.org)
  • Robotic three-dimensional (3D) ultrasound (US) imaging has been employed to overcome the drawback of traditional US examinations, such as high inter-operator variability and lack of repeatability. (tum.de)
  • Trypanosoma cruzi , the etiological agent of Chagas disease, presents high variability in both chromosomes size and copy number among strains, though the underlying mechanisms are unknown. (biomedcentral.com)
  • 18]Mast FW,Newby NJ,Young LR.Sensorimotor aspects of high-speed artificial gravity:II.The effect of head position on illusory self motion[J].J Vestib Res,2002,12(5-6):283-289. (xml-journal.net)
  • Often times the overhead press is considered the ugly step child of the big four compound movements (along with bench, squat, and deadlift). (tigerfitness.com)
  • Gitzo 's GH5130RC Series 5 Athena 3-Way Electronic Head is a remote-controlled motor-driven tripod head, giving you stable, extremely precise movement in every direction. (bhphotovideo.com)
  • An assessment of the inhibition of the postural sensors (foot, ocular, stomatognathic and cicatricial) will also be carried out, where small elements will be placed in the foot sensor on the soles of the patient's foot, who will again perform the movement causing the greatest pain and/or restricted range of motion of the spine. (who.int)
  • Head autorotation, an alternative method of testing VOR, stimulates frequencies of 1-6 Hz. (medscape.com)
  • Patients may also have difficulties with vision due to eye movement abnormalities. (bcm.edu)
  • Physical abnormalities associated with Andersen-Tawil syndrome typically affect the face, other parts of the head, and the limbs. (medlineplus.gov)
  • Use a weight that is slightly lighter than the dumbbell press due to the increased difficulty in performing the movement. (tigerfitness.com)
  • Novices constrained their movements, and could not maintain the same level of variability in the asymmetric condition. (cdc.gov)
  • METHODSNine subjects were exposed to short-arm centrifuge of 2 Gz at feet level for 10 min with head still and intermittent separate head-turns. (xml-journal.net)
  • The Arnold press is a spin on the original dumbbell press that involves rotating the shoulders in a 180 degree fashion to disperse the tension amongst various heads of the shoulder. (tigerfitness.com)
  • In order to build a complete superhero like shoulder it is of vast importance that you develop the lateral head. (tigerfitness.com)
  • During each shoulder routine aim to perform at least two exercises for each of the heads of the deltoids for maximum shoulder development. (tigerfitness.com)
  • It articulates with the head of the humerus, forming the glenohumeral joint, which serves as the main joint of the shoulder. (medscape.com)
  • Freely-moving animal models may allow neuroscientists to examine a wider range of behaviors and can provide a flexible experimental paradigm for examining the neural mechanisms that underlie movement generation across behaviors and environments. (stanford.edu)
  • Seemingly, this year's theme is one of variability: concerns range from drought to too much moisture. (beefmagazine.com)
  • Following contact, motor control of the vibrissae is modulated on several time scales as the animal approaches an object with head, nose and micro-vibrissae. (scholarpedia.org)
  • PD has been traditionally considered as a pure movement disorder secondary to focal degeneration of dopaminergic neurons in the substantia nigra, but, in recent years, the clinical phenotype has been better illuminated, showing that PD is a multisystem neurodegenerative disorder with motor and nonmotor features (Table 1 ) [ 3 ]. (hindawi.com)
  • The most classical feature of mu waveform is that it blocks with motor activity of the contralateral body (or the thought of such movement). (medscape.com)
  • Solid black line is the time-varying azimuth angle of the C2 vibrissa relative to the head. (scholarpedia.org)
  • Dr. Caspar Schwiedrzik is head of the Perception and Plasticity Group at the German Primate Center and Neural Circuits and Cognition Group at the European Neuroscience Institute in Göttingen. (dpz.eu)
  • These are really only preliminary results, and more tests need to be done to test this type of movement. (generallythinking.com)
  • Because of the way The Q (Lameness Locator®) displays results relative to "expected" vertical movement, this may cause underestimated forelimb lameness, overestimated hind limb lameness, and increased variability. (equinosis.support)
  • Together, our results indicate that irregular and regular otolith afferents use different strategies to encode naturalistic self-motion and static head orientation relative to gravity. (elifesciences.org)
  • You want shoulders that look 3D and extend out from your body then lateral raises are a must do movement. (tigerfitness.com)
  • The rider's ability to consistently coordinate their movements to their horse is a key determinant of performance in equestrian sport. (shu.ac.uk)
  • Our last blog focused on exercises to increase the strength of the gluteals and discussed their role in creating various movements. (mytpi.com)
  • A reduction in sympathetic tone and an increase in parasympathetic tone are expected, measured from thevHeart Rate Variability (HRV), where the Task Force protocol will be used for HRV assessment. (who.int)
  • The sensorimotor system starts to develop during gestation, which leads to patterned movements. (physio-pedia.com)
  • The otolith system provides vital information about linear head acceleration in three dimensions (i.e., gravito-inertial forces) and the head's orientation relative to gravity. (elifesciences.org)
  • Perform these movements on a consistent regular basis and you will have huge bowling ball shaped shoulders to complete your physique. (tigerfitness.com)
  • Objective Analysis of heart rate variability in a child with Juvenile Idiopathic Arthritis using the anti-Tumor Necrosis Factor. (bvsalud.org)
  • Despite the growing interest in VR, few studies have determined the validity of movements made in VR environments with respect to real physical environments. (biomedcentral.com)
  • In healthy subjects, reaching and grasping movements in both environments were similar but these subjects used less wrist extension and more elbow extension to place the ball on the virtual vertical surface. (biomedcentral.com)
  • Heart rate, blood pressure and heart rate variability (HRV) were measured and vestibular function was evaluated during exposure. (xml-journal.net)
  • Some are solely based on movement, most also include heart rate and heart rate variability. (insights4print.ceo)
  • In the examination of heart rate variability, the linear indices in the time domain showed a predominance of parasympathetic activity (RMSSD: 35ms), with decreased sympathetic control measured through the frequency domain (LF: 27.1 un). (bvsalud.org)
  • The present thesis analyses one local branch of that order in Eastern London within a theoretical framework of New Social Movements, as formulated by the Italian sociologist Alberto Melucci. (lu.se)
  • And as the reference, I used a device equipped with EEG-sensors, which uses brainwaves as input for sleep analysis, compared to movement and hearth rate. (insights4print.ceo)
  • they particularly increased variability in a direction that had no effects on their main task goal. (cdc.gov)
  • Collision between replication and transcription is considered especially problematic, as each are catalyzed by large multiprotein machines, and can occur co-directionally, when the replication fork and transcription machinery are moving in the same direction, or on the leading strand and is head-on, when the fork and transcription are moving towards each other. (biomedcentral.com)
  • The vestibuloocular reflex (VOR) slow phase keeps the eyes on the foveal vision (opposite direction to head movement). (medscape.com)
  • You should go into these sets with a "gun to the head mentality" with laser focus and intensity. (sagacoaching.com)
  • A scientific epistemology, using a systems thinking qualitative methodology for translating practice into theory, integrates mathematical and dynamical systems concepts with belief systems that are presented in this original research of unique prerequisites for fundamental movement skills (FMS) in physical education as illustrated with running. (thesportjournal.org)
  • A major goal to achieve this basic objective is dependent upon fundamental movement skills (FMS). (thesportjournal.org)
  • Here, we addressed this fundamental question directly by recording from single otolith afferents in monkeys during naturalistic translational self-motion and changes in static head orientation. (elifesciences.org)
  • Closer head-to-screen distance and larger fluctuation of head-to-screen distance can reflect that participants are engaging in a challenging task. (sfu.ca)