… reliability and usefulness of biomechanical variables derived from force-time analysis of a
countermovement jump, … by four weeks were calculated and reported as a multiple of the SWC. …

… Countermovement jump data were analyzed using linear mixed models, with “time” (repeated
measure), “group” and “group × time” as fixed factors, and “subject” as a random factor. …

… Given the wealth of data that can be obtained from CMJ force-time analyses, selecting
reliable … of a fast stretch-shortening cycle exercise (ie, repeated CMJ) in youth athletes as they …

… aimed to determine the validity and reliability of the countermovement jump (CMJ) as a …
during the flight phase of the jump [18,34,36]. Ground reaction force (GRF) data were collected …

… This study applied a repeated-measure, cross-over design to assess test-retest … the present
study demonstrated good-excellent reliability in the raw data for all jump loads obtained by …

… are obtained over a specific interval or CMVJ phase (eg, impulse, average force production)
before being reduced to a single … Absolute and relative reliability statistics were calculated …

… of repeated measurements of maximum vertical jump height … detect changes over the noise
of the measure is obtained when SWC … In this study, the standardized countermovement jump …

… the reliability and validity of load−velocity (L–V) relationship variables obtained through the
… variables with high and comparable reliability to that of the multiple-point methods, and that …

… the reliability and magnitude of countermovement jump outcome … Based on previously
published and obtained jump height … to stabilize during single leg DJ, the trial was repeated. Data …

… have been validated for the countermovement jump (CMJ) only… strength index (RSI),
obtained using the flight-time method … and reliability analysis of multiple vertical jump modalities …