diplomsko delo
Alja Jerman (Author), Renata Vauhnik (Reviewer), Miroljub Jakovljević (Mentor), Miha Fošnarič (Co-mentor)

Abstract

Uvod: Eno ključnih motoričnih sposobnosti in sočasno del telesne pripravljenosti posameznika predstavlja mišična moč, ki jo lahko objektivno in natančno izmerimo z laboratorijskimi in terenskimi testi. Ocenjevanje te lastnosti je še posebej ustrezno pri izvajanju navpičnih skokov, ki pa jih do danes najbolj natančno lahko izmerimo na pritiskovnih ploščah in sistemih za zajem gibanja v 3D prostoru. Sta pa ti metodi pogosto neprimerni za uporabo, kar odpira pot novim metodam, med katere spada tudi mobilna aplikacija My Jump 2. Namen: Namen diplomskega dela je bil ugotoviti veljavnost in zanesljivost merjenja moči mišic spodnjih udov z uporabo mobilne aplikacije My Jump 2. Metode dela: V raziskavi je sodelovalo 30 zdravih preiskovancev, 25 žensk in 5 moških. Skoki so bili izvedeni na pritiskovni plošči in sočasno posneti z mobilnim telefonom Iphone 12, z mobilno aplikacijo My Jump 2. Vsak udeleženec je izvedel 4 skoke z nasprotnim gibanjem. Z namenom ocenjevanja zanesljivosti meritev smo testiranje ponovili po 48 urah. Rezultati: Vrednosti meritev višine skoka, časa leta in mišične moči, izmerjene z mobilno aplikacijo My Jump 2 in pritiskovno ploščo, v obeh sejah, v štirih zaporednih meritvah niso pokazale statistično pomembnih razlik. Najpogosteje so se statistično značilno razlikovale meritve med mobilno aplikacijo My Jump 2 v obeh sejah in pritiskovno ploščo. Enako se je izkazalo za povprečje štirih meritev, največje izmerjene vrednosti in mediano štirih zaporednih meritev. Mobilna aplikacija My Jump 2 je v primerjavi s pritiskovno ploščo, glede na povprečja v prvi seji pokazala nižje rezultate, in sicer za višino skoka 0,7 cm, čas v zraku 0,01 s in mišično moč 349 W. Vrednosti intraklasnega koeficienta korelacije je za ponovljivost meritev višine skoka znašal od 0,901 do 0,917, za čas v zraku od 0,906 do 0,912 ter za meritve mišične moči od 0,872 do 0,938. Koeficienti so pokazali zelo dobro do odlično ponovljivost uporabljene metode. Vrednosti koeficientov korelacije za zanesljivost mobilne aplikacije My Jump 2 so za meritve višine skoka znašale od 0,829 do 0,922, za čas v zraku od 0,857 do 0,936 in za mišično moč od 0,872 do 0,939, kar je kazalo na zelo dobro do odlično zanesljivost uporabljene metode. Meritve opravljene z mobilno aplikacijo My Jump 2 so bile za merjenje višine skoka, časa v zraku in mišične moči tudi veljavne. Razprava in zaključek: Mobilna aplikacija My Jump 2 daje ponovljive, veljavne in zanesljive rezultate za merjenje višine skoka, časa v zraku in mišične moči. Predstavlja dobro alternativo dragi laboratorijski opremi, zato lahko pričakujemo, da bo v prihodnosti predstavljala običajno metodo za merjenje spremenljivk, povezanih s telesno pripravljenostjo in zdravjem.

Keywords

diplomska dela;fizioterapija;zanesljivost;veljavnost;mobilna aplikacija My Jump 2;skok z nasprotnim gibanjem;

Data

Language: Slovenian
Year of publishing:
Typology: 2.11 - Undergraduate Thesis
Organization: UL ZF - University College of Health Studies
Publisher: [A. Jerman]
UDC: 615.8
COBISS: 237090819 Link will open in a new window
Views: 22
Downloads: 8
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Other data

Secondary language: English
Secondary title: Validity and reliability of measuring the power of the lower limbs muscles with a mobile application "My Jump 2"
Secondary abstract: Introduction: One of the key motor abilities and a fundamental component of an individual's physical fitness is muscle strength, which can be objectively and accurately measured using laboratory and field tests. Assessing this attribute is particularly relevant when performing vertical jumps, which is, until today, most accurately measured with using force plates and motion capture systems in 3D space. However, these methods are often unsuitable for use, which opens the door to new methods, like the mobile application My Jump 2. Purpose: The purpose of this study is to determine the validity and reliability of lower limb strength measurements using the mobile application My Jump 2. Methods: The study involved 30 healthy participants, 25 women and 5 men. The jumps were performed on a force plate and simultaneously recorded using an iPhone 12 with the mobile application My Jump 2. Each participant performed four countermovement jumps. To assess measurement reliability, the testing was repeated after 48 hours. Results: The measured values of jump height, flight time, and muscle power obtained with mobile application My Jump 2 and force plate in both sessions, across four consecutive measurements, did not show statistically significant differences. The most frequent statistically significant differences were found between the measurements taken with mobile application My Jump 2 in both sessions and those taken with force plate. The same trend was observed for the average of the four measurements, the highest recorded values, and the median of the four consecutive measurements. Mobile application My Jump 2, compared to force plate, showed lower results based on averages in the first session: 0,7 cm for jump height, 0,01 s for flight time, and 349 W for muscle power. The intraclass correlation coefficient for the repeatability of jump height measurements ranged from 0,901 to 0,917, for flight time from 0,906 to 0,912, and for muscle power from 0,872 to 0,938. The correlation coefficient values indicated very good to excellent repeatability of the applied method. The correlation coefficient values for the reliability of mobile application My Jump 2 ranged from 0,829 to 0,922 for jump height, from 0,857 to 0,936 for flight time, and from 0,872 to 0,938 for muscle power, demonstrating very good to excellent reliability of the applied method. The measurements obtained with the mobile application My Jump 2 were also valid for assessing jump height, flight time, and muscle power. Discussion and conclusion: The mobile application My Jump 2 provides repeatable, valid, and reliable results for measuring jump height, flight time, and strength. It represents a cost-effective alternative to expensive laboratory equipment and is expected to become a standard method for assessing variables related to physical fitness and health in the future.
Secondary keywords: diploma theses;physiotherapy;reliability;validity;mobile application My Jump 2;countermovement jump;
Type (COBISS): Bachelor thesis/paper
Study programme: 0
Thesis comment: Univ. v Ljubljani, Zdravstvena fak., Oddelek za fizioterapijo
Pages: 27 str., [2] str. pril.
ID: 26435231