Results 11 to 20 of about 1,566,640 (302)

Impact peak force measurement of potato [PDF]

open access: yesInternational Journal of Food Properties, 2020
To analyze the influencing factors of impact force on potatoes, a mathematical model between the impact peak force$${F_m}$$, the potato mass $$m$$ and the drop height $$h$$ was established as $${F_m} =km\sqrt h$$.
Weigang Deng   +2 more
doaj   +2 more sources

Peak forces and lateral resolution in amplitude modulation force microscopy in liquid [PDF]

open access: yesBeilstein Journal of Nanotechnology, 2013
The peak forces exerted on soft and rigid samples by a force microscope have been modeled by performing numerical simulations of the tip motion in liquid. The forces are obtained by using two contact mechanics models, Hertz and Tatara.
Horacio V. Guzman, Ricardo Garcia
doaj   +4 more sources

Allometric equations for estimating peak uprooting force of riparian vegetation

open access: yesFrontiers in Plant Science, 2023
Uprooting caused by flood events is a significant disturbance factor that affects the establishment, growth, and mortality of riparian vegetation. If the hydraulic drag force acting on riparian plants exceeds the peak uprooting force originate from their
Yi Zhang   +5 more
doaj   +3 more sources

Maximum Strength, Rate of Force Development, Jump Height, and Peak Power Alterations in Weightlifters across Five Months of Training

open access: yesSports, 2017
The purpose of this monitoring study was to investigate how alterations in training affect changes in force-related characteristics and weightlifting performance. Subjects: Seven competitive weightlifters participated in the study.
W. Guy Hornsby   +5 more
doaj   +3 more sources

Peak Compression Force Physics in Rugby Union Scrum [PDF]

open access: yesProceedings, 2020
Scrums play a major role in Rugby Union games, and are historically known as a showdown between the two packs of opposing teams, composed of their eight forwards players organized in a 3-4-1 configuration, respectively.
Benjamin Lallemand   +7 more
doaj   +2 more sources

Normalization of rapid force to peak force in an isometric hamstring assessment using force plates

open access: yesApunts Sports Medicine
Purpose: The aim of this investigation was to determine the reliability of normalizing rapid force (RF) production to peak force assessed during an isometric knee flexor assessment, and to present a novel method of classifying athletes' potential ...
R. Barber   +3 more
doaj   +3 more sources

PREDICTING MAXIMAL COUNTERMOVEMENT JUMP HEIGHT FROM UPRIGHT AND SQUAT POSITIONS HEAD TITLE: UPRIGHT AND SQUAT MAXIMUM JUMP HEIGHT PREDICTORS [PDF]

open access: yesJournal of Applied Sports Sciences, 2021
Introduction. Countermovement jump is common in sport and testing and performed from various starting positions. Little is known about effective contributions to maximal countermovement jump height from various starting positions. Purpose and Objectives.
David Suprak, Tal Amasay
doaj   +3 more sources

Validity and Reliability of a Load Cell Sensor-Based Device for Assessment of the Isometric Mid-Thigh Pull Test

open access: yesSensors, 2023
In recent years, there has been an exponential increase in the number of devices developed to measure or estimate physical exercise. However, before these devices can be used in a practical and research environment, it is necessary to determine their ...
Raynier Montoro-Bombú   +3 more
doaj   +1 more source

Liquid-Phase Peak Force Infrared Microscopy [PDF]

open access: yes, 2020
Atomic force microscopy-infrared microscopy (AFM-IR) provides a route to bypass Abbe’s diffraction limit through photothermal detections of infrared absorption. With the combination of total internal reflection, AFM-IR can operate in the aqueous phase. However, AFM-IR in contact mode suffers from surface damage from the lateral shear
Haomin Wang   +5 more
openaire   +2 more sources

Activation of the gluteus maximus during performance of the back squat, split squat and barbell hip thrust and the relationship with maximal sprinting [PDF]

open access: yes, 2021
The purpose of this research was to compare muscle activation of the gluteus maximus and ground reaction force between the barbell hip thrust, back squat, and split squat and to determine the relationship between these outcomes and vertical and ...
Andersen   +37 more
core   +3 more sources

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