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ECOLOGICAL VALIDITY OF A REPEATED SPRINT ABILITY TEST AND ITS REPRODUCIBILITY IN SOCCER

Ferrari Bravo Duccio, Rampinini Ermanno, Sassi Roberto, Bishop David, Sassi Aldo, Tibaudi Agostino, and Impellizzeri Franco M.

Soccer matches require players to repeatedly generate maximal sprints of few seconds interspersed by brief recovery periods, and several activities involving acceleration and deceleration phases. The ability to maintain high power or running speed over a series of sprints (repeated-sprint ability, RSA) has received attention from many researchers (Fitzsimons, 1993; Bishop, 2004). The aims of this study were to examine the relationship between running RSA and match physical performance, and RSA reliability, in elite soccer players. Eighteen professional soccer players were monitored with a video computerized match analysis system during two competitive seasons. From the data obtained, the total distance (TD) covered during the game and the amount of high-intensity activities (running speed above 18 km/h-1, HIA) were determined. Each season, players completed 4 times the RSA test consisting in 6x20-m+20-m shuttle run sprints with 20 s of recovery. For the correlational analysis, the highest values of TD and HIA measured during matches completed within two weeks from the RSA test were used according to Bangsbo (1994). The average time spent to complete 6 times runs and the sprint time decrement expressed as percent (%) were selected for the analysis. Reliability was determined using the typical error of measurement (TE) in 22 professional players that completed the RSA test twice within one week. TD was not significantly correlated to RSA mean time (r=0.03), while a moderate but significant correlation was found between RSA and HIA (r = -0.62; p<0.01). The TE for detecting reliability in the mean sprint time was 0.8% (95%CL, 0.6 to 1.1%), while the TE of the percent decrement was 25.0% (95%CL, 21.2 to 42.9%). This study is the first to demonstrate the ecological validity of the running RSA test for soccer players. HIA was suggested to be a better indicator of soccer match physical performance than TD. This study showed that about 40% of HIA variance was explained by RSA (the actual match performance is influenced by several factors other than physical characteristics). The most appropriate RSA index for longitudinal monitoring of athletes seems to be RSA mean sprint time (TE=0.8%) then the RSA % decrement (TE=25.0%). In conclusion, this study confirms the validity of the RSA test for soccer players.

Communication to 10th European College of Sport Science Congress

MATCH-RELATED FATIGUE IN SOCCER PLAYERS.
MATCH RUNNING PERFORMANCE IN ELITE AUSTRALIAN RULES FOOTBALL.
PHYSIOLOGICAL AND ANTHROPOMETRIC CHARACTERISTICS OF JUNIOR CYCLISTS OF DIFFERENT SPECIALTIES AND PERFORMANCE LEVELS.
THE COST OF RUNNING ON NATURAL GRASS AND ARTIFICIAL TURF SURFACES.
TIME COURSE OF THE HEMOGLOBIN MASS RESPONSE TO NATURAL ALTITUDE TRAINING IN ELITE ENDURANCE CYCLISTS.
AEROBIC FITNESS VARIABLES DO NOT PREDICT THE PROFESSIONAL CAREER OF YOUNG CYCLISTS.
PHYSIOLOGICAL DETERMINANTS OF YO-YO INTERMITTENT RECOVERY TEST IN MALE SOCCER PLAYERS
REPEATED-SPRINT ABILITY IN PROFESSIONAL AND AMATEUR SOCCER PLAYERS.
AEROBIC AND EXPLOSIVE POWER PERFORMANCE OF ELITE ITALIAN REGIONAL-LEVEL BASKETBALL PLAYERS.
EFFECTS OF INTERMITTENT-ENDURANCE FITNESS ON MATCH PERFORMANCE IN YOUNG MALE SOCCER PLAYERS.
HIGH-INTENSITY TRAINING IN FOOTBALL.
GLYCEMIC INDEX IN SPORT NUTRITION
EFFECTS OF GRADIENT AND SPEED ON FREELY CHOSEN CADENCE: THE KEY ROLE OF CRANK INERTIAL LOAD
EFFECTS OF AEROBIC TRAINING ON THE EXERCISE-INDUCED DECLINE IN SHORT-PASSING ABILITY IN JUNIOR SOCCER PLAYERS.
AGEING AND PHYSICAL MATCH PERFORMANCE IN ENGLISH PREMIER LEAGUE SOCCER REFEREES.
SEASONAL CHANGES IN AEROBIC FITNESS INDICES IN ELITE CYCLISTS.
EFFECT OF MATCH-RELATED FATIGUE ON SHORT-PASSING ABILITY IN YOUNG SOCCER PLAYERS
VALIDITY OF A REPEATED-SPRINT TEST FOR FOOTBALL.
LEVEL GROUND AND UPHILL CYCLING ABILITY IN ELITE FEMALE MOUNTAIN BIKERS AND ROAD CYCLISTS
TECHNICAL PERFORMANCE DURING SOCCER MATCHES OF THE ITALIAN SERIE A LEAGUE: EFFECT OF FATIGUE AND COMPETITIVE LEVEL
EFFECT OF PLYOMETRIC TRAINING ON SAND VERSUS GRASS ON MUSCLE SORENESS AND JUMPING AND SPRINTING ABILITY IN SOCCER PLAYERS.
SPRINT VS. INTERVAL TRAINING IN FOOTBALL.
RELIABILITY OF ISOKINETIC STRENGTH IMBALANCE RATIOS MEASURED USING THE CYBEX NORM DYNAMOMETER
HEART RATE AND BLOOD LACTATE CORRELATES OF PERCEIVED EXERTION DURING SMALL-SIDED SOCCER GAMES
VARIATION IN TOP LEVEL SOCCER MATCH PERFORMANCE.
A VERTICAL JUMP FORCE TEST FOR ASSESSING BILATERAL STRENGTH ASYMMETRY IN
THE YO-YO INTERMITTENT RECOVERY TEST IN BASKETBALL PLAYERS
FACTORS INFLUENCING PHYSIOLOGICAL RESPONSES TO SMALL-SIDED SOCCER GAMES
VALIDITY OF SIMPLE FIELD TESTS AS INDICATORS OF MATCH-RELATED PHYSICAL PERFORMANCE IN TOP-LEVEL PROFESSIONAL SOCCER PLAYERS
THE PHYSIOLOGY OF MOUNTAIN BIKING
ANALYSIS OF PHYSICAL MATCH PERFORMANCE IN ENGLISH PREMIER LEAGUE SOCCER REFEREES WITH PARTICULAR REFERENCE TO FIRST HALF AND PLAYER WORK RATES.
RELATIONSHIP BETWEEN PUSH PHASE AND FINAL RACE TIME IN SKELETON PERFORMANCE
CARDIOVASCULAR RESPONSES DURING RECREATIONAL 5-A-SIDE INDOOR-SOCCER
PHYSIOLOGICAL AND PERFORMANCE EFFECTS OF GENERIC VERSUS SPECIFIC AEROBIC TRAINING IN SOCCER PLAYERS.
PREDICTION OF TIME TO EXHAUSTION FROM BLOOD LACTATE RESPONSE DURING SUBMAXIMAL EXERCISE IN COMPETITIVE CYCLISTS.
CARDIORESPIRATORY RESPONSES TO YO-YO INTERMITTENT ENDURANCE TEST IN NONELITE YOUTH SOCCER PLAYERS
AEROBIC FITNESS AND YO-YO CONTINUOUS AND INTERMITTENT TESTS PERFORMANCES IN SOCCER PLAYERS: A CORRELATION STUDY.
IS AEROBIC POWER REALLY CRITICAL FOR SUCCESS IN ALPINE SKIING?
CORRELATIONS BETWEEN PHYSIOLOGICAL VARIABLES AND PERFORMANCE IN HIGH LEVEL CROSS COUNTRY OFF ROAD CYCLISTS.
CARDIOVASCULAR RESPONSES TO AEROBIC STEP DANCE SESSIONS WITH AND WITHOUT APPENDICULAR OVERLOAD
ECOLOGICAL VALIDITY OF A REPEATED SPRINT ABILITY TEST AND ITS REPRODUCIBILITY IN SOCCER
VARIABLES INFLUENCING SOCCER-SPECIFIC EXERCISE INTENSITY
PHYSIOLOGY OF OFF-ROAD CYCLING
PHYSIOLOGICAL ASSESSMENT OF AEROBIC TRAINING IN SOCCER.
PHYSIOLOGICAL CORRELATES TO OFF-ROAD CYCLING PERFORMANCE.
ESTIMATION OF THE INDIVIDUAL POWER-TIME TO EXHAUSTION RELATIONSHIP
THE ENERGY EXPENDITURE OF AN OCCUPATIONAL, PHYSICAL ACTIVITY: TILE LAYING
THE ASSESSMENT OF LOWER LIMBS BILATERAL STRENGTH IMBALANCE USING VERTICAL JUMPS ON FORCE PLATFORM
A COMPARISON OF SMALL-SIDED GAMES AND INTERVAL TRAINING
USE OF RPE-BASED TRAINING LOAD IN SOCCER.
RELIABILITY OF HEART RATE RECORDED DURING SOCCER TRAINING
SOCCER PERFORMANCE: RELATIONSHIP WITH OPPONENT
PLASMA ACTH RESPONSE TO EXHAUSTIVE EXERCISE IN OVERTRAINED PROFESSIONAL CYCLISTS
MONITORING TRAINING LOAD IN ITALIAN FOOTBALL
MLSS DOES NOT CORRESPOND TO THE MAXIMAL RATE OF LACTATE ELIMINATION
ECONOMY DIFFERENCES AMONG HIGH LEVEL RACE WALKERS
A SIMPLE PREDICTION OF THE EXHAUSTION TIME DURING SUBMAXIMAL CYCLING
VALIDITY OF A SUBMAXIMAL RUNNING TEST TO EVALUATE AEROBIC FITNESS CHANGES IN SOCCER PLAYERS
EXERCISE INTENSITY DURING OFF-CYCLING COMPETITIONS.