P 161 – Correlation between patient reported outcome measures and objective clinical findings in the knee arthroplasty population
Up to 30% of knee replacement patients report to be dissatisfied with the results of their surgery, mainly due to restrictions in motion and pain [1]. However, questionnaire-based studies that assess activities of daily living report high functionality levels in this population. Yet, self-reported perception of function is known to be biased by several affective factors such as depression or a patients beliefs and expectations [2 –4]. In contrast, performance-based measures (PBMs) are objective clinical tests (e.g. (Source: Gait and Posture)
Source: Gait and Posture - July 24, 2018 Category: Orthopaedics Authors: H. De Vroey, F. Staes, I. Weygers, S. Bekteshi, E. Vereecke, H. Hallez, K. Claeys Tags: Short communication Source Type: research
Qualitative and quantitative comparative study of accelerometer cut-points to evaluate physical activity in children with cerebral palsy
Physical activity (PA) in daily life could be evaluated by accelerometer. Multiple algorithms have been validated to classify activity counts along several time intervals (epoch length), and with several set of cut-points. For children, three algorithms are the most frequently used by researchers in order to define the time spent in sedentary (SED) and in moderate to vigorous physical activity (MVPA). (Source: Gait and Posture)
Source: Gait and Posture - July 24, 2018 Category: Orthopaedics Authors: A.-L. Guinet, E. Desailly Source Type: research
P 165 - Changes in gait kinematic parameters after rehabilitation in total knee arthroplasty subjects: A prospective observational pilot study
Total knee arthroplasty (TKA), is a routine surgical intervention, with an incidence of 150-200 surgeries every 100.000 people [1]. After this surgery is common practice for every subject to undergo a period of rehabilitation to recover strength, range of motion and walking ability of the affected limb. Many evaluation scales have been developed to evaluate improvements during and after rehabilitation, but the walking ability has rarely been evaluated in the acute phase[2] (3-30 days post surgery) through an optoelectronic system. (Source: Gait and Posture)
Source: Gait and Posture - July 24, 2018 Category: Orthopaedics Authors: J. Pollet, C. Arienti, F. Bosio, B. Piovanelli, R. Buraschi, P. Pedersini, S. Negrini Tags: Short communication Source Type: research
P 169 – Biomechanical effects and quality of life when using a FES-system in subjects with neuromuscular gait disorders
Neuromuscular gait disorders due to cerebral palsy (CP) are regularly treated by orthosis targeting to biomechanical or neuromuscular effects [1]. Liberson et al. [2] showed drop-foot-compensation by using functional electrical stimulation (FES) which induces activation of innervated muscles in intact peripheral nerves and intact second motor neuron to overcome deficits at the CNS. FES-systems are often used in patients following spinal cord- or traumatic brain injury [3,4]. In children with CP, studies show that activation of the M. (Source: Gait and Posture)
Source: Gait and Posture - July 24, 2018 Category: Orthopaedics Authors: J. Block, C. Putz, C. Weichold, D. Heitzmann, T. Kaib, S.I. Wolf, M. Alimusaj Tags: Short communication Source Type: research
Robotic-assisted locomotion training improves walking abilities in children with bilateral cerebral palsy
Cerebral palsy (CP) is the most common cause of movement disorders in childhood and is associated with abnormal muscle tone, low range of motion, and muscle weakness. These impairments are described as limiting factors to walk, leading to a reduced walking speed and endurance [1]. Since two decades, robotic-assisted devices (e.g., Lokomat), which provide movement assistance (Guidance) and a body-weight support (BWS) during walking, are considered as a promising approach for gait rehabilitation in people with neurologic impairment [2]. (Source: Gait and Posture)
Source: Gait and Posture - July 24, 2018 Category: Orthopaedics Authors: Yosra Cherni, Laurent Ballaz, Genevi ève Girarin-Vignola, Mickael Begon Tags: Short communication Source Type: research
Peripheral sensory information and postural control in children with strabismus
Vision, vestibular and the somatosensory systems are three key sensory systems that play a significant role in the regulation of normal postural control [1]. The vestibular system mainly provides information about head position and orientation in space, whereas the somatosensory system is responsible for relaying feedback regarding body position and orientation. The visual system regulates the head and body in visual space [2]. These three sensory systems collectively work together in the control of posture [3]. (Source: Gait and Posture)
Source: Gait and Posture - July 23, 2018 Category: Orthopaedics Authors: Prasath Jayakaran, Logan Mitchell, Gillian M Johnson Tags: Full length article Source Type: research
Effects of backward-downhill treadmill training versus manual static plantarflexor stretching on muscle-joint pathology and function in children with spastic Cerebral Palsy
Children with spastic Cerebral Palsy (SCP) are constrained by weakness and contractures. The ankle is usually severely affected, showing equinus with progressive loss in passive dorsiflexion [1] and pathologically increased stiffness [2]. This may be neurally mediated [3], but also altered muscle architecture appears influential. For the gastrocnemius, reduced muscle belly [4] and fascicle length [5,6], increased in-vivo sarcomere length [7], a lack of sarcomeres in series [7] or increased intramuscular connective tissue [8] may mechanically reduce its extensibility. (Source: Gait and Posture)
Source: Gait and Posture - July 22, 2018 Category: Orthopaedics Authors: Matthias H ösl, Harald Böhm, Justine Eck, Leonhard Döderlein, Adamantios Arampatzis Tags: Full length article Source Type: research
The influence of maximum isometric muscle force scaling on estimated muscle forces from musculoskeletal models of children with cerebral palsy
Three-dimensional gait analysis is used in the treatment decision-making process in children with cerebral palsy (CP). Most conventional gait models are limited to joint kinematics and kinetics analysis [1]. Musculoskeletal models (e.g. OpenSim [2]) are as reliable as the conventional models in estimating joint kinematics and kinetics [3] and have the advantage of enabling additional analyses, e.g. muscle-tendon length and force estimation [4]. However, only a small number of studies have analyzed muscle forces during walking in children with CP. (Source: Gait and Posture)
Source: Gait and Posture - July 22, 2018 Category: Orthopaedics Authors: Hans Kainz, Marije Goudriaan, Antoine Falisse, Catherine Huenaerts, Kaat Desloovere, Friedl De Groote, Ilse Jonkers Tags: Full length article Source Type: research
Bilateral scapular kinematics, asymmetries and shoulder pain in wheelchair athletes
The shoulder has been identified as the most common site of injury in wheelchair athletes [1] with epidemiological studies reporting that up to 72% of wheelchair athletes experience shoulder pain at some point in their life [2 –4]. The most common pathologies associated with shoulder pain in wheelchair athletes are shoulder impingement syndrome, biceps tendinopathy, rotator cuff tears and gleno-humeral instability [3,5]. Muscular imbalances, trunk stabilisation, overuse, and gender are all thought to contribute to shoul der pain [5,6]. (Source: Gait and Posture)
Source: Gait and Posture - July 20, 2018 Category: Orthopaedics Authors: Barry S. Mason, Riemer J.K. Vegter, Thomas A.W. Paulson, Dylan Morrissey, Jan W. van der Scheer, Victoria L. Goosey-Tolfrey Tags: Full length article Source Type: research
Interpersonal interactions for haptic guidance during balance exercises
Falls and fall related injuries in older adults are a public health issue [1,2]. Balance exercises, however may reduce falls risk [3]. In balance rehabilitation, a physical therapist (PT) manipulates the provision of sensory cues during sensorimotor training to facilitate motor learning, and control of body balance [4 –6]. (Source: Gait and Posture)
Source: Gait and Posture - July 20, 2018 Category: Orthopaedics Authors: S.M. Steinl, P.J. Sparto, C.G. Atkeson, M.S. Redfern, L. Johannsen Tags: Full length article Source Type: research
Neither total muscle activation nor co-activation explains the youthful walking economy of older runners
Most studies report that older adults ( ≥65 years) select slower preferred walking speeds than young adults (≤45 years) [1,2]. Among older adults, a slower preferred walking speed is associated with the loss of functional independence [3] and is a key predictor of mortality [4]. A contributing factor to the reduced preferred walking s peeds of older adults compared to young adults may be their 10-25% greater rate of mass-normalized metabolic energy expenditure at a given walking speed (worse walking economy) [1,5]. (Source: Gait and Posture)
Source: Gait and Posture - July 20, 2018 Category: Orthopaedics Authors: Owen N. Beck, Alena M. Grabowski, Justus D. Ortega Source Type: research
Plantar pressure distribution during running in early childhood
Plantar loads represent a reliable estimation of the mechanical efficiency of movement. Important studies on plantar loads were conducted in children in different age groups in the quiet standing position and walking [1]. The longitudinal arch seems develop continuously until 6 years of age. Phethean et al. [2], suggest that between the ages of 4 and 7 years old there may have a period of potential differences between bearing of the plantar loads. Running is an important motor ability for children and an understanding of plantar pressure loads during running in early childhood may be important to assess typical motor devel...
Source: Gait and Posture - July 19, 2018 Category: Orthopaedics Authors: Ana C. de David, Tain á N. Vieira, Silvia R. Nery, Paula R. Mesquita Source Type: research
Gait analysis of pregnant patients with lumbopelvic pain using inertial sensor
Lumbopelvic pain (LPP) is one of the most common discomforts during pregnancy, experienced by 45% of pregnant women and 25% of women postpartum [1]. LPP affects activity of daily life [2] and decreases its quality [3]. Two changes are suggested as the main factors of LPP. One is the postural change occurring with the growth of the fetus [1 –4]. Moreover, lumbar lordosis and pelvic anteversion are observed in pregnancy posture accompanied by abdominal swelling and increased weight [4]. It has been suggested that these postural changes are related to low back pain [5]. (Source: Gait and Posture)
Source: Gait and Posture - July 19, 2018 Category: Orthopaedics Authors: Ayumi Tanigawa, Saori Morino, Tomoki Aoyama, Masaki Takahashi Tags: Full length article Source Type: research
Dynamic Visual Acuity test while walking or running on treadmill: reliability and normative data
Rapid head movements are part of everyday life during which gaze needs to be stabilized to ensure visual acuity (VA) [1 –3]. The vestibulo-ocular reflex (VOR) serves as the primary control system for gaze stabilization during head movements at or above 2 Hz by managing contractions of the extra-ocular muscles to keep the eyes fixed on the visual target [2,3]. These compensatory eye movements are essential for cor recting retinal slip, which is the degree of motion of the image across the retina causing decreased visual acuity [1–3]. (Source: Gait and Posture)
Source: Gait and Posture - July 19, 2018 Category: Orthopaedics Authors: Evi Verbecque, Tamaya Van Criekinge, Delphine Vanloot, Tanja Coeckelbergh, Paul Van de Heyning, Ann Hallemans, Luc Vereeck Tags: Full length article Source Type: research
Objective measures of gait and balance in healthy non-falling adults as a function of age
As people age, gait and balance change, leading to falls with associated morbidity and mortality [1], and an estimated 19 billion dollars in annual healthcare costs in the US alone [2]. Quality of life is significantly affected by the development of fear of falling [3]. Gait changes can be early indicators of neurodegenerative disorders such as the hypokinetic-rigid gait of Parkinson ’s disease [4], or neurologic manifestations of medical diseases such as sensory ataxia from neuropathy due to diabetes. (Source: Gait and Posture)
Source: Gait and Posture - July 19, 2018 Category: Orthopaedics Authors: Tuhin Virmani, Harsh Gupta, Jesal Shah, Linda Larson-Prior Tags: Full length article Source Type: research
