Emilio J. Ruiz‐Malagón

Muscle strength of males and females with chronic primary low back pain is associated with gait parameters: a cross-sectional study of the BACKFIT project

Gavriella Tsiarleston, Belén Donoso, Yolanda María Gil-Gutiérrez, Emilio J. Ruiz‐Malagón et autres

Introduction Individuals with chronic primary low back pain (CPLBP) present muscular deconditioning that triggers difficulties while walking. The aim was to explore the associations between muscle strength and spatiotemporal gait parameters in people with CPLBP. Design Cross-sectional study. Setting Clinical setting. Participants …

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Editorial

Emilio J. Ruiz‐Malagón

Gratitude is extended to David Cabello and Adrian Lees for the invitation to contribute to the International Journal of Racket Sport Science, both in the capacity of associate editor and by offering editorial reflections for volume 6. My recently completed doctoral thesis, …

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Gait Variability Is Associated With Gray Matter Volumes Implicated in Cognitive Function: A Cross-Sectional Analysis From the AGUEDA Trial

Isabel Martín‐Fuentes, Patricio Solis‐Urra, Emilio J. Ruiz‐Malagón, Andrea Coca‐Pulido et autres

Abstract Background and Objectives Aging is associated with both gait impairments and cognitive decline; however, the relationship between specific gait variability parameters, gray matter volume (GMV), and cognitive function remains poorly understood. This study aims to examine the associations between gait variability …

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Associations between gait velocity parameters and brain amyloid‐β levels in cognitive normal older adults: a cross‐sectional analysis from the AGUEDA trial

Isabel Martín‐Fuentes, Patricio Solis‐Urra, Mahnaz Shekari, Emilio J. Ruiz‐Malagón et autres

Abstract Background Amyloid beta (Aβ) is a protein associated with dementia‐related pathologies such Alzheimer’s Disease (AD). The accumulation of Aβ in the brain leads to neurodegeneration, cognitive decline, and motor impairment. Those factors might appear years before the onset of apparent symptoms. …

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AB1403 IS MUSCLE STRENGTH ASSOCIATED WITH SPATIOTEMPORAL GAIT PARAMETERS IN PATIENTS WITH NON-SPECIFIC CHRONIC LOW BACK PAIN? THE BACKFIT PROJECT

Gavriella Tsiarleston, Y. M. Gil-Gutiérrez, B. Donoso, Emilio J. Ruiz‐Malagón et autres

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Concurrent validity of the Polar Precision Prime ® photoplethysmographic system to measure heart rate during a tennis training session

Emilio J. Ruiz‐Malagón, Santiago Castro-Infantes, Maximiliano Ritaco-Real, Victor Manuel Soto-Hermoso

Monitoring heart rates has always been important for coaches and athletes. Photoplet-ismographic systems (PPG) are supposed to be less capable of determining heart rate measure in activities with high upper limb movement, such as tennis. Thus, the aim of this study was …

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Field-based upper-body motor variability as determinant of stroke performance in the main tennis strokes

Emilio J. Ruiz‐Malagón, Jos Vanrenterghem, Maximiliano Ritacco Real, Francisco Tomás González-Férnandez et autres

Performance in tennis relies heavily on the skilful repetition of several types of tennis strokes, yet the role of motor variability has still received little scientific attention – especially at the within subject level. The present study aims to evaluate the role …

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RunScribe Sacral Gait Lab™ Validation for Measuring Pelvic Kinematics during Human Locomotion at Different Speeds

Emilio J. Ruiz‐Malagón, Felipe García‐Pinillos, Alejandro Molina‐Molina, Victor Manuel Soto-Hermoso et autres

Optoelectronic motion capture systems are considered the gold standard for measuring walking and running kinematics parameters. However, these systems prerequisites are not feasible for practitioners as they entail a laboratory environment and time to process and calculate the data. Therefore, this study …

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Validity and reliability of NOTCH® inertial sensors for measuring elbow joint angle during tennis forehand at different sampling frequencies

Emilio J. Ruiz‐Malagón, Gabriel Delgado‐García, Santiago Castro-Infantes, Maximiliano Ritacco Real et autres

Portable and low-cost motion capture systems are gaining importance for biomechanical analysis. The aim was to determine the concurrent validity and reliability of the NOTCH® inertial sensors to measure the elbow angle during tennis forehand at different sampling frequencies (100, 250 and …

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Kinematics differences between a one-handed and a two-handed tennis backhand using gyroscopes. An exploratory study

Emilio J. Ruiz‐Malagón

dos manos de tenis usando giróscopos.Un estudio exploratorio

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Test-Retest Reliability of the MotionMetrix Software for the Analysis of Walking and Running Gait Parameters

Diego Jaén‐Carrillo, Santiago A. Ruiz‐Alias, José M. Chicano-Gutiérrez, Emilio J. Ruiz‐Malagón et autres

The use of markerless motion capture systems is becoming more popular for walking and running analysis given their user-friendliness and their time efficiency but in some cases their validity is uncertain. Here, the test-retest reliability of the MotionMetrix software combined with the …

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Validity and Reliability of Notch ® Inertial Sensors for Measure Elbow Joint Angle During Tennis Forehand at Different Sampling Frequencies.Validity and Reliability of Notch ® Inertial Sensors for Measure Elbow Joint Angle During Tennis Forehand at Different Sampling Frequencies

Emilio J. Ruiz‐Malagón, Gabriel Delgado‐García, Santiago Castro-Infantes, Maximiliano Ritacco Real et autres