Validity of a basketball-specific complex test in female professional players

Abstract

The purpose of this study was to assess the validity of a new basketball-specific complex test (BBCT) based on the ascertained match performance.

Fourteen female professional basketball players (ages: 23.4 ± 1.8 years) performed the BBCT and a treadmill test (TT) at the beginning of pre-season training. Lactate, heart rate (HR), time, shooting precision and number of errors were measured during the four test sequences of the BBCT (short distance sprinting with direction changes, with and without a ball; fast break; lay-up parcours; sprint endurance test). In addition, lactate threshold (LT) and HR were assessed at selected times throughout the TT and the BBCT and over 6 (TT) or 10 (BBCT) minutes after the tests. The match performance score (mps) was calculated on specific parameters (e. g. points) collected during all matches during the subsequent season (22 matches). The mps served as the “gold standard” within the validation process for the BBCT and the TT.

TT parameters demonstrated an explained variance (EV) between 0 % (HR recovery) and 11 % (running speed at 6 mmol/l LT). The EV from the BBCT was higher and ranged from 0 % (HR recovery 6 minutes after end of exercise) to 28 % (sprint endurance test after 8 of 10 sprints). Ten out of 21 BBCT parameters (48 %) and 2 out of 5 TT parameters (40 %) demonstrated an EV higher than 10 %. Average EV for all parameters was 12 % (BBCT) and 6 % (TT), respectively. The BBCT had a higher validity than the TT for predicting match performance. These findings suggest that coaches and scientists should consider using the BBCT testing protocol to estimate the match performance abilities of elite female players.

Zusammenfassung

Ziel der Studie war die Messung der Validität eines neuen basketballspezifischen Komplextests (BBCT) auf der Grundlage der ermittelten Spielleistung. 14 Basketballerinnen (Alter: 23,4 ± 1,8 Jahre) führten den BBCT und eine Laufbandleistungsdiagnostik (TT) zu Saisonbeginn durch. Innerhalb des BBCT wurden die Parameter Laktat, Herzfrequenz (HR), Zeit, Wurfgenauigkeit und technische Fehler erfasst. Der BBCT beinhaltet 4 Handlungsfolgen: Kurzdistanzsprint mit Richtungswechsel ohne und mit Ball, Fast Break, Korblegerparcours, Sprintausdauertest. Die Messparameter wurden unmittelbar vor dem BBCT sowie 2, 6 und 10 Minuten nach Testende erhoben. Beim TT erfolgte die Schwellenberechnung anhand der Laktat-Leistungs-Kurve. Die Spielwirksamkeit, die den „Goldstandard” (abhängige Variable) innerhalb des Validierungsprozesses (BBCT, TT) darstellte, wurde auf der Basis spezifischer Spielparameter (z. B. Punkte) berechnet. Die Spielparameter wurden über die gesamte Saison (22 Spiele) erhoben. Die Parameter des TT zeigten eine Varianzaufklärung (EV) zwischen 0 % (kardiale Erholung) und 11 % (Laufgeschwindigkeit an der 6 mmol/l-Schwelle). Die EV des BBCT war höher und bewegte sich zwischen 0 % (kardiale Erholung 6 Minuten nach Belastungsende) und 28 % (Sprintausdauertest nach 8 von 10 Sprints). 48 % (10/21) der BBCT-Parameter und 40 % (2/5) der TT-Parameter wiesen eine EV über 10 % auf. Im Mittel betrug die EV für alle Parameter 12 % (BBCT) bzw. 6 % (TT). Der BBCT hat, bezogen auf die Spielwirksamkeit im Basketball, eine größere Validität als der TT. Die Studienergebnisse sollten Trainer und Wissenschaftler ermuntern, den BBCT in die basketballspezifische Leistungsdiagnostik (LD) zu implementieren. Gleichzeitig sollte die LD immer im unmittelbaren Kontext zur Messung der Spielwirksamkeit stehen.

Key words

test performance - match performance - match efficiency - sport-specific skills - endurance

Schlüsselwörter

Testleistung - Spielleistung - Spielwirksamkeit - sportartspezifische Fertigkeiten - Ausdauer

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