NDLI: Predicting punching acceleration from selected strength and power variables in elite karate athletes: a multiple regression analysis.

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Predicting punching acceleration from selected strength and power variables in elite karate athletes: a multiple regression analysis.

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Predicting punching acceleration from selected strength and power variables in elite karate athletes: a multiple regression analysis.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Loturco, Irineu Artioli, Guilherme Giannini Kobal, Ronaldo Gil, Saulo Franchini, Emerson
Description	Country affiliation: Brazil Author Affiliation: Loturco I ( 1NAR-Nucleus of High Performance in Sport, São Paulo, Brazil)
Abstract	This study investigated the relationship between punching acceleration and selected strength and power variables in 19 professional karate athletes from the Brazilian National Team (9 men and 10 women; age, 23 ± 3 years; height, 1.71 ± 0.09 m; and body mass [BM], 67.34 ± 13.44 kg). Punching acceleration was assessed under 4 different conditions in a randomized order: (a) fixed distance aiming to attain maximum speed (FS), (b) fixed distance aiming to attain maximum impact (FI), (c) self-selected distance aiming to attain maximum speed, and (d) self-selected distance aiming to attain maximum impact. The selected strength and power variables were as follows: maximal dynamic strength in bench press and squat-machine, squat and countermovement jump height, mean propulsive power in bench throw and jump squat, and mean propulsive velocity in jump squat with 40% of BM. Upper- and lower-body power and maximal dynamic strength variables were positively correlated to punch acceleration in all conditions. Multiple regression analysis also revealed predictive variables: relative mean propulsive power in squat jump (W·kg-1), and maximal dynamic strength 1 repetition maximum in both bench press and squat-machine exercises. An impact-oriented instruction and a self-selected distance to start the movement seem to be crucial to reach the highest acceleration during punching execution. This investigation, while demonstrating strong correlations between punching acceleration and strength-power variables, also provides important information for coaches, especially for designing better training strategies to improve punching speed.
File Format	HTM / HTML
ISSN	10648011
Issue Number	7
Volume Number	28
e-ISSN	15334287
Journal	Journal of Strength and Conditioning Research
Language	English
Publisher	Lippincott Williams & Wilkins
Publisher Date	2014-07-01
Publisher Place	United States
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Sport Sciences Acceleration Martial Arts Physiology Movement Muscle Strength Muscle, Skeletal Adult Athletic Performance Exercise Test Female Humans Male Predictive Value Of Tests Regression Analysis Sex Factors Young Adult Journal Article Randomized Controlled Trial Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Orthopedics and Sports Medicine Physical Therapy, Sports Therapy and Rehabilitation Sports Science

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