Type

Journal Article

Authors

Kieran Moran
Brendan Marshall
Noel E. O'Connor
Chris Richter

Subjects

Physics

Topics
variability waveform analysis of characterizing phases higher vertical phase data analysis discrete point analysis

Analysis of characterizing phases on waveform: an application to vertical jumps. (2013)

Abstract The aim of this study is to propose a novel data analysis approach, an analysis of characterizing phases (ACP), that detects and examines phases of variance within a sample of curves utilizing the time, magnitude, and magnitude-time domains; and to compare the findings of ACP to discrete point analysis in identifying performance-related factors in vertical jumps. Twenty-five vertical jumps were analyzed. Discrete point analysis identified the initial-to-maximum rate of force development (P=.006) and the time from initial-to-maximum force (P=.047) as performance-related factors. However, due to intersubject variability in the shape of the force curves (ie, non-, uni- and bimodal nature), these variables were judged to be functionally erroneous. In contrast, ACP identified the ability to apply forces for longer (P<.038), generate higher forces (P<.027), and produce a greater rate of force development (P<.003) as performance-related factors. Analysis of characterizing phases showed advantages over discrete point analysis in identifying performance-related factors because it (i) analyses only related phases, (ii) analyses the whole data set, (iii) can identify performance-related factors that occur solely as a phase, (iv) identifies the specific phase over which differences occur, and (v) analyses the time, magnitude and combined magnitude-time domains.
Collections Ireland -> Dublin City University -> PubMed

Full list of authors on original publication

Kieran Moran, Brendan Marshall, Noel E. O'Connor, Chris Richter

Experts in our system

1
Kieran Moran
Dublin City University
Total Publications: 118
 
2
Brendan Marshall
Dublin City University
Total Publications: 26
 
3
Noel E. O'Connor
Dublin City University
Total Publications: 420
 
4
Chris Richter
Dublin City University
Total Publications: 39