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Reply: the ups and downs of passive leg raising.
Intensive Care Med Exp
January 2025
Davita Tratamento Renal, Rio de Janeiro, Brazil.
Design and Validation of a Biomimetic Leg-Claw Mechanism Capable of Perching and Grasping for Multirotor Drones.
Biomimetics (Basel)
December 2024
School of Mechanical Engineering, University of Science and Technology Beijing, Beijing 100083, China.
Multirotor drones are widely used in fields such as environmental monitoring, agricultural inspection, and package delivery, but they still face numerous challenges in durability and aerial operation capabilities. To address these issues, this paper presents a biomimetic leg-claw mechanism (LCM) inspired by the biomechanics of birds. The claw of the LCM adopts a bistable gripper design that can rapidly close through external impact or actively close via the coordination of internal mechanisms.
View Article and Find Full Text PDF[Modified Z-plasty of the patellar tendon for patella baja and flexion deficits].
Oper Orthop Traumatol
January 2025
Klinik für Orthopädie und Unfallchirurgie, Martin-Luther-Krankenhaus Berlin, Caspar-Theyss-Str. 27-33, 14193, Berlin, Deutschland.
Objective: Lengthening of the patellar tendon to normalize patellar height and improve knee flexion deficits.
Indications: Flexion deficits in combination with patella baja (Caton index < 0.6).
Acute Effects of Passive Stretching with and Without Vibration on Hip Range of Motion, Temperature, and Stiffness Parameters in Male Elite Athletes.
J Funct Morphol Kinesiol
January 2025
Institute of Human Movement Science, Sport and Health, University of Graz, 8010 Graz, Austria.
: Increasing exercise intensity and performance output with superimposed vibration gains interest, especially in high-performance training. However, the additional benefit of vibration in passive stretching exercises and its mechanisms remain unclarified. : Passive stretching with (ST+V) and without (ST) vibration (20 Hz) was performed in male Olympic youth skiing athletes ( = 8, age: 17.
View Article and Find Full Text PDFInfluence of sex on sympathetic vasomotor outflow responses to passive leg raising in young individuals.
J Physiol Sci
January 2025
Department of Biomedical Engineering, Toyo University, Kawagoe, Japan.
The purpose of this study was to clarify sex differences in the inhibition of sympathetic vasomotor outflow which is caused by the loading of cardiopulmonary baroreceptors. Ten young males and ten age-matched females participated. The participants underwent a passive leg raising (PLR) test wherein they were positioned supine (baseline, 0º), and their lower limbs were lifted passively at 10º, 20º, 30º, and 40º.
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