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49 results for “stance”
Comparing Functional Outcomes in Individuals Using Micro-processor Controlled Orthosis Versus Stance Control Orthosis
ClinicalTrials.gov study NCT02089880. IPD Sharing: Not stated. Countries: 1. Publications: 1.
Does Improved Ability to Achieve Single Leg Stance Lead to a More Efficient Gait Pattern in Adults With Acquired Brain Injury?
ClinicalTrials.gov study NCT04062149. IPD Sharing: NO. Countries: 1. Publications: 40.
Muscle Activation of the Lower Limb in Response to a Medio-lateral Imbalance in Monopodal Stance
ClinicalTrials.gov study NCT05080036. IPD Sharing: NO. Countries: 1. Publications: 1.
Re-imaging the intentional stance
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FIGURE2 in Stance and gait in the flesh-eating dinosaur Tyrannosuurus
FIGURE2. The knee-joint of a megalosaurian to show the femoral condyle (indicated by an arrow) inserted between the tibia and fibula. This is similar to the knee-jointof Tyrannosaurus.
FIGURE 1. A in Stance and gait in the flesh-eating dinosaur Tyrannosuurus
FIGURE 1. A. Animal in the resting position. Angles of the hind-limb elements are indicated. The rib cage is shown in this figure to indicate its disposition when the animal adopted the prone position. It is omitted from B-D. B. The head is raised and the fore-limbs are straightened. At this stage the hind-limbs are not yet fully extended. C. The head is thrown upwards and backwards, at the same time the tail is depressed. D. The hind-limbs are now fully extended and the head is elevated to the normal position; the tail is extended and the animal has now attained equilibrium.
Fig. 6 in Stance and gait in theropod dinosaurs
Fig. 6. Ventral view of the right side of a eusuchian crocodilian pelvis and hindlimb. IL ilium; IS ischium; PIFE1,2,3 M. puboischiofemoralis externus parts one, two and three.
Fig. 4 in Stance and gait in theropod dinosaurs
Fig. 4. Reconstructed pelvic and hindlimb muscles of the theropod dinosaur Tyrannosaurus rex. AMB M. ambiens; CFB M. caudofemoralis brevis; CFL M. caudofemoralis longus; FTE M. flexor tibialis externus; GF M. gastrocnemius, fibular head; PIFI1 M. puboischiofemoralis internus part one; TFTE tendon of the M. flexor tibialis externus.
Fig. 1 in Stance and gait in theropod dinosaurs
Fig. 1. Various tarsal elements of archosaurs: a distal view of the right tarsus of a eusuchian crocodilian; b proximal view of the right calcaneum of the pseudosuchian Prestosuchus; c lateral view of the left calcaneum of a eusuchian crocodilian; d lateral view of the left calcaneum of a theropod dinosaur AC articular cartilage; AH anterior hollow of the astragulus; CT calcaneal tuber; DR distal roller of the astragulus; DT distal tarsal four facet of the calcaneum; F fibula; FC fibular condyle of the calcaneum; P peg of the astragalus; S socket of the calcaneum; T tongue of the calcaneum; TI tibia.
Fig. 2 in Stance and gait in theropod dinosaurs
Fig. 2. Superficial shank muscles of a eusuchian crocodilian. FTE tendon of the M. flexor tibialis externus; GF fibular head of the M. gastrocnemius; PLA plantar aponeurosis; T tibia.
Fig. 7 in Stance and gait in theropod dinosaurs
Fig. 7. Diagrammatic representation of the theropod dinosaur, Tyrannosaurus rex, during a walking gait.
Fig. 3 in Stance and gait in theropod dinosaurs
Fig. 3. Lateral view of the left shank and pes of a eusuchian crocodilian. AMB M. ambiens; C calcaneum; FTE M. flexor tibialis externus; G M. gas trocnemius, fibular head; PA M. pero neus anterior; PP peroneus posterior; TCF tendon of the M. caudofemoralis attaching to the fibula; TCFM tendon of the M. caudofemoralis, forming the main origin for the fibular head of the M. gastrocnemius; TE tendon of the M. caudofemoralis to the extensor tendon of the knee; TFTE tendon of the M. flexor tibialis externus to the fifth metatarsus.
Fig. 5 in Stance and gait in theropod dinosaurs
Fig. 5. Reconstructed pelvic and hindlimb muscles of the theropod dinosaur, Tyrannosaurus rex. FTI2 M. flexor tibialis internus part two; FTI3 M. flexor tibialis internus part three; IF M. ilio- femoralis; PIFI2 M. puboischio- femoralis internus part two.
Data From: A new perspective on transient characteristics of quiet stance postural control
<p>Postural control provides insight into health concerns such as fall risk but remains relatively untapped as a vital sign of health. One understudied aspect of postural control involves transient responses within center of pressure (CoP) data to events such as vision occlusion. Such responses are masked by common whole-trial analyses. We hypothesized that the transient behavior of postural control would yield unique and clinically-relevant information for quiet stance compared to traditionally calculated whole-trial CoP estimates. Three experiments were conducted to test different aspects of this central hypothesis.</p> <p>To test whether transient, epoch-based characteristics of CoP estimates provide different information than traditional whole-trial estimates, we investigated correlations between these estimates for a population of young adults performing three 60-second trials of quiet stance with eyes closed. Next, to test if transient behavior is a result of sensory reweighting after eye closure, we compared transient characteristics between eyes closed and eyes open conditions. Finally, to test if there was an effect of age on transient behavior, we compared transient characteristics during eyes closed stance between populations of young and older adults.</p> <p>Negligible correlations were found between transient characteristics and whole-trial estimates (p>0.08), demonstrating limited overlap in information between them. Additionally, transient behavior was exaggerated during eyes closed stance relative to eyes open (p<0.044). Lastly, we found that transient characteristics were able to distinguish between younger and older adults, supporting their clinical relevance (p<0.029).</p> <p>An epoch-based approach captured unique and potentially clinically-relevant postural control information compared to whole-trial estimates. While longer trials may improve the reliability of whole-trial estimates, including a complementary assessment of the initial transient characteristics may provide a more comprehensive characterization of postural control. <br> </p>
Data from: Muscle-tendon unit length changes differ between young and adult sprinters in first stance phase of sprint running
The aim of this study was to compare young and adult sprinters on several biomechanical parameters that were previously highlighted as performance-related and to determine the behaviour of several muscle-tendon units (MTU) in the first stance phase following a block start in sprint running. The ground reaction force (GRF) and kinematic data were collected from 16 adult and 21 young well-trained sprinters. No difference between the groups was found in some of the previously-highlighted performance-related parameters (ankle joint stiffness, the range of dorsiflexion and plantar flexor moment). Interestingly, the young sprinters showed a greater maximal and mean ratio of horizontal to total GRF, which was mainly attributed to a greater horizontal GRF relative to body mass and resulted in a greater change in horizontal centre of mass (COM) velocity during the stance phase in the young compared to the adult sprinters.. Results from the MTU length analyses showed that adult sprinters had more MTU shortening and higher maximal MTU shortening velocities in all plantar flexors and the rectus femoris. Although previously-highlighted performance-related parameters could not explain the greater 100 m sprinting times in the adult sprinters, differences were found in the behaviour of the MTU of the plantar flexors and rectus femoris during the first stance phase. The pattern of length changes in these MTUs provide ideal conditions for the use of elastic energy storage and release for power enhancement.
Healthy Aging Increases the Coupling Between the Margin of Stability and Hip Moment in the Frontal Plane during Single-Stance
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A Study of the Impact of Head Position on Foot Pressure in Stance
ClinicalTrials.gov study NCT02320097. IPD Sharing: Not stated. Countries: 0. Publications: 1.
Data from: Muscle-tendon unit length changes differ between young and adult sprinters in first stance phase of sprint running
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Data From: A new perspective on transient characteristics of quiet stance postural control
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CaSERa-catalan-stance-emotions-raco
<h3>Dataset Summary</h3> <p>The CaSERa dataset is a Catalan corpus from the forum Racó Català annotated with Emotions and Dynamic Stance. The dataset contains 15.782 unique sentences grouped in 10.745 pairs of sentences, paired as parent messages and replies to these messages.</p> <p>We provide the following files and folders:</p> <ul> <li>The dataset folder contains the final dataset (an aggregation of the dynamic stance and emotion identification tasks), as well as the dataloader and README file as provided in Hugging Face.</li> <li>The annotations folders with one file for each of the two annotation task: dynamic stance and emotion identification.</li> <li>The annotation guidelines folders with a file for each task.</li> </ul> <h3>Languages</h3> <p>The dataset is in Catalan (ca-ES).</p> <h3>Dataset Structure</h3> <p>Each instance in the dataset is a pair of parent-reply messages annotated with the relation between the two messages (the dynamic stance). For each message there is an individual id and the emotions identified in the message.</p> <p>Example:<br> <br>{<br>"id_conversation": "782135", <br>"id_reply": "782135_2_2", <br> "parent_text": "Alguns petits apunts que s'haurien de tenir en compte en la creació d'aquesta hipotètica grada jove: -Renúncia total i explícita a la violència, aquest per mi és el punt clau i bàsic que la directiva tindria en compte, sense renúncia no hi ha grup. -Edat de la gent: indispensable establir un mínim i un màxim d'edat per adquirir entrades de la grada jove, s'ha d'acabar amb els freaks de 40-50 anys amb esperit jove i ganes d\'animar (sona discriminatori, però crec que és òbvi que s'ha de limitar l'edat) -Seguretat bàsica: Agradi o no, s'hauria d'incrementar moltíssim la seguretat privada (és un dels punts que no agrada a la directiva). Els indesitjables de sempre no tolerarien cap grada jove sense ells. -Per tant doncs, absteniu-vos i oblideu-vos tots els hooligans potencials (n'hi ha a grapats per tot Catalunya) de crear una grada hooligan amb skins, punkis i resta d'estètiques "característiques", també seria un punt clau (confirmat per un directiu!) En definitiva, ara per ara veig força difícil i inviable la creació d'una grada jove nombrosa i contundent, s'hauria d'optar per opcions més "descafeïnades" rotllo Sang Culé o Dracs.", <br> "reply_text": "Doncs si es creés una grada jove ja et dic jo que sompliria d'skins, i els primers en entrari serien els Boixos que han expulsat del seu lloc. Tot i aìxò que hi hagin skins no vol dir que hi hagi violència, no crec que es peguessin amb els del mateix equip. Si es creés un grada jove l'ambient al camp nou seria brutal, si 200 Boixos feien bivrar el camp nou, imaginat a 4000 perones o la gent que hi capigués a la grada jove.", <br> "dynamic_stance": "Elaborate", <br> "parent_emotion": ["fear", "distrust", "anticipation"], <br> "reply_emotion": ["anger", "sadness", "fear", "distrust", "anticipation"]<br>}</p> <h3>Data Splits</h3> <p>The dataset does not contain splits.</p> <h3>Dataset Creation</h3> <p>We created this corpus to contribute to the development of language models in Catalan, a low-resource language.</p> <h3>Source Data</h3> <p>The data was collected using the messages of the forum Racó Català by the Barcelona Supercomputing Center.</p> <h3>Initial Data Collection and Normalization</h3> <p>The data was collected selecting random messages from 13 of the thematic sections in Racó Català that had at least 15 tokens and at most 300. Then, we kept the messages that had at least one replying message with the same length requirement. We got a maximum of 3 replying messages per parent message.<br>Who are the source language producers?</p> <p>The source language producers are users of Racó Català.</p> <h3>Annotations</h3> <p>- Emotions are annotated in a multi-label fashion. The labels can be: Anger, Anticipation, Disgust, Fear, Joy, Sadness, Surprise, Distrust, and No emotion.</p> <p>- Dynamic stance is annotated per pair. The labels can be: Agree, Disagree, Elaborate, Query, Neutral, Unrelated, NA.</p> <h3>Annotation process</h3> <p>- For emotions there were 3 annotators. The gold labels are an aggregation of all the labels annotated by the 3. The IAA calculated with Fleiss' Kappa per label was, on average, 38.73.</p> <p>- For dynamic stance there were 4 annotators. If at least 3 of the annotators disagreed, a fifth annotator chose the gold label. The overall Fleiss' Kappa between the 4 annotators was 57.63, and the average Fleiss' Kappa of the annotators with the gold labels is 85.98.</p> <h3>Who are the annotators?</h3> <p>All the annotators are native speakers of Catalan.</p> <h3>Personal and Sensitive Information</h3> <p>The data was annonymised to remove user names and emails, which were changed to random Catalan names. The mentions to the chat itself have also been changed.</p> <h3>Social Impact of Dataset</h3> <p>We hope this corpus contributes to the development of language models in Catalan, a low-resource language.</p> <h3>Discussion of Biases</h3> <p>We are aware that, since the data comes from a public forum, this will contain biases, hate speech and toxic content. We have not applied any steps to reduce their impact.</p> <h3>Dataset Curators</h3> <p>Language Technologies Unit (LangTech) at the Barcelona Supercomputing Center.</p> <p>This work/research has been promoted and financed by the Government of Catalonia through the Aina project.</p> <h3>Licensing Information</h3> <p>Creative Commons Attribution 4.0 International.</p> <h3>Citation Information</h3> <p>@inproceedings{figueras-etal-2023-dynamic,<br> title = "Dynamic Stance: Modeling Discussions by Labeling the Interactions",<br> author = "Figueras, Blanca and<br> Baucells, Irene and<br> Caselli, Tommaso",<br> editor = "Bouamor, Houda and<br> Pino, Juan and<br> Bali, Kalika",<br> booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2023",<br> month = dec,<br> year = "2023",<br> address = "Singapore",<br> publisher = "Association for Computational Linguistics",<br> url = "https://aclanthology.org/2023.findings-emnlp.432",<br> doi = "10.18653/v1/2023.findings-emnlp.432",<br> pages = "6503--6515",<br>}</p> <p>@inproceedings{gonzalez-agirre-etal-2024-building-data,<br> title = "Building a Data Infrastructure for a Mid-Resource Language: The Case of {C}atalan",<br> author = "Gonzalez-Agirre, Aitor and<br> Marimon, Montserrat and<br> Rodriguez-Penagos, Carlos and<br> Aula-Blasco, Javier and<br> Baucells, Irene and<br> Armentano-Oller, Carme and<br> Palomar-Giner, Jorge and<br> Kulebi, Baybars and<br> Villegas, Marta",<br> editor = "Calzolari, Nicoletta and<br> Kan, Min-Yen and<br> Hoste, Veronique and<br> Lenci, Alessandro and<br> Sakti, Sakriani and<br> Xue, Nianwen",<br> booktitle = "Proceedings of the 2024 Joint International Conference on Computational Linguistics, Language Resources and Evaluation (LREC-COLING 2024)",<br> month = may,<br> year = "2024",<br> address = "Torino, Italia",<br> publisher = "ELRA and ICCL",<br> url = "https://aclanthology.org/2024.lrec-main.231",<br> pages = "2556--2566",<br>}</p> <h3>Contact Information</h3> <p>For further information, please send an email to langtech@bsc.es.</p>
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