Search results for "FLEXION"
showing 10 items of 113 documents
Triceps surae fascicle stretch is poorly correlated with short latency stretch reflex size
2015
Introduction: The short latency stretch reflex (SLR) is well described, but the stimulus that evokes the SLR remains elusive. One hypothesis states that reflex size is proportional to muscle fiber stretch, so this study examined the relationship between these 2 parameters in human triceps surae muscles. Methods: Achilles tendon taps and dorsiflexion stretches with different amplitudes and preactivation torques were applied to 6 participants while electromyography and muscle fascicle length changes were recorded in soleus and medial gastrocnemius (MG). Results: In response to tendon taps, neither fascicle length nor velocity changes were correlated with SLR size in either muscle, but acceler…
Effect of preoperative flexion contracture in the knee joint on the accuracy of digital templating before knee replacement surgery
2016
Abstract Introduction Flexion contracture in the knee joint before knee replacement surgery has been implicated as one of the factors that could affect the accuracy of digital templating. Aim The aim of the study was to detect the accuracy of digital templating in predicting the size of knee implants and to detect the effect of preoperative flexion contracture in the knee joint on the accuracy of digital templating. Material and methods The flexion contracture of the knee joint was measured in every patient prior to knee replacement surgery and digital templating of the knee joint was made in mediolateral (ML), anteroposterior (AP) and AP long leg views. The sizes of prosthetic components p…
AB1197 Changes in Lumbar Spinopelvic Pattern of Movement Influence the Flexion Relaxation of the Erector Spinae
2015
Background In healthy subjects, the erector spinae muscles (ES) exhibits a relaxation of its electrical activity when the trunk is nearby its full flexion. Objectives To find out the influence of exhibiting a lumbar spine or a pelvis dominant pattern of movement during trunk flexion from upright position on the appearance of the myoelectric relaxation of the erector spinae. In healthy subjects, the erector spinae muscles (ES) exhibits a relaxation of its electrical activity when the trunk is nearby its full flexion. Objectives To find out the influence of exhibiting a lumbar spine or a pelvis dominant pattern of movement during trunk flexion from upright position on the appearance of the my…
The impact of multilevel surgery on functional abilities and participation in adolescents with cerebral palsy (CP)
2013
but not significant decrease in RT group. Timing of pKFSw, range of knee flexion and knee flexion velocity improved after surgery but tended to deteriorate over the years in either group. Discussionandconclusions:The results of thepresent study for the first time suggest that the influences of proximal RF release on DRFT effects on the knee joint are negligible. Two possible explanations shouldbe considered. First, thefindingsmaybe explainedby a permanent eliminationofRF functionon thekneeafterDRFT,which would be unaffected by proximal release and would underline the efficiency of DRFT. Secondly, surgery in the proximal part does not influence the distal part. This would represent a new imp…
Biomechanical Bases for Anterior Knee Pain and Patellar Instability
2012
The anterior knee pain syndrome and functional patellar instability in the active young person is one of the most complex knee disorders, with a multiple factor and highly variable pathogenesis, with intermingling mechanical and neurological factors. Probably the neural factor is the cause of the well established symptoms in patients with certain mechanical anomalies and a knee overuse.
Funktionsangiographie der kniegelenknahen Arterien: Konsequenzen für die Stentimplantation?
1990
Angiographic studies of the arteries adjoining the knee in 25 patients show extensive kinking and stenoses of the popliteal artery and less frequently of the distal femoral artery during flexion of the knee joint. This is due to the loss of elasticity with increasing age forcing the vessel into a tortuous course during shortening of the pathway of the popliteal artery with knee flexion. Independent of the principle of the different stents available they probably will not increase the contractility of the stented vessel in the longitudinal axis. It is to expect that after implantation of stents into the popliteal artery kinking will occur predominantly in the original segments of the vessel …
Sobre la identidad y procedencia del poeta Filóxeno y la autoría del ditirambo ???????
2019
El presente estudio pretende resolver la controversia en torno a la identidad y procedencia del poeta Filóxeno, célebre ditirambógrafo del siglo V-IV a.C. Para ello, hemos recopilado todos los testimonios que citan a personajes con el nombre de Filóxeno desde la primera mención de Aristófanes. La investigación ha revelado que existen varios individuos con el mismo nombre y rasgos comunes. No obstante, el examen de estos testimonios revela la existencia de un único autor de ditirambos: Filóxeno de Citera. Además, creemos que este poeta fue el autor del ditirambo ???????, que algunos editores atribuyeron falsamente a Filóxeno de Léucade. Posteriormente, reflexionamos sobre la identidad de Fil…
Internet y los historiadores. Algunas reflexiones a partir de la situación en Francia
2014
International audience
Les communistes et Marx : réflexions sur la longue durée
2018
International audience
Què serà de la filosofia en el segle XXI?
2004
És normal que el fet de trobar-nos no sols a les acaballes d'un segle, sinó també d'un miHenni, ens provoque reflexions escatològiques diverses; també la filosofia pot ser objecte d'aquest tipus de reflexions que poden ben bé acompanyar un estudi sobre el que ha fet (i continua fent) la filosofia a la segona meitat del segle XX.