title: A Correlational Analysis of Tethered Swimming, Swim Sprint Performance and Dry-land Power Assessments.
abstract: Swimmers are often tested on both dry-land and in swimming exercises. The aim of this study was to test the relationships between dry-land, tethered force-time curve parameters and swimming performances in distances up to 200 m. 10 young male high-level swimmers were assessed using the maximal isometric bench-press and quarter-squat, mean propulsive power in jump-squat, squat and countermovement jumps (dry-land assessments), peak force, average force, rate of force development (RFD) and impulse (tethered swimming) and swimming times. Pearson product-moment correlations were calculated among the variables. Peak force and average force were very largely correlated with the 50- and 100-m swimming performances (r=- 0.82 and -0.74, respectively). Average force was very-largely/largely correlated with the 50- and 100-m performances (r=- 0.85 and -0.67, respectively). RFD and impulse were very-largely correlated with the 50-m time (r=- 0.72 and -0.76, respectively). Tethered swimming parameters were largely correlated (r=0.65 to 0.72) with mean propulsive power in jump-squat, squat-jump and countermovement jumps. Finally, mean propulsive power in jump-squat was largely correlated (r=- 0.70) with 50-m performance. Due to the significant correlations between dry-land assessments and tethered/actual swimming, coaches are encouraged to implement strategies able to increase leg power in sprint swimmers.
authors.affiliation: NAR - Nucleus of High Performance in Sport, Sport Science, São Paulo, Brazil.
authors.forename: I
authors.initials: I
authors.lastname: Loturco
authors.affiliation: Department of Sport Sciences, Faculty of Physical Education, State University of Campinas, Campinas, Brazil.
authors.forename: A C
authors.initials: AC
authors.lastname: Barbosa
authors.affiliation: Swimming Department, Paineiras of Morumbi Club, São Paulo, Brazil.
authors.forename: R K
authors.initials: RK
authors.lastname: Nocentini
authors.affiliation: NAR - Nucleus of High Performance in Sport, Sport Science, São Paulo, Brazil.
authors.forename: L A
authors.initials: LA
authors.lastname: Pereira
authors.affiliation: Department of Physical Education and Sport, University of São Paulo, São Paulo, Brazil.
authors.forename: R
authors.initials: R
authors.lastname: Kobal
authors.affiliation: NAR - Nucleus of High Performance in Sport, Sport Science, São Paulo, Brazil.
authors.forename: K
authors.initials: K
authors.lastname: Kitamura
authors.affiliation: NAR - Nucleus of High Performance in Sport, Sport Science, São Paulo, Brazil.
authors.forename: C C C
authors.initials: CC
authors.lastname: Abad
authors.affiliation: Faculty of Sport, Centre of Research Education, Innovation and Intervention in Sport, University of Porto, Porto, Portugal.
authors.forename: P
authors.initials: P
authors.lastname: Figueiredo
authors.affiliation: NAR - Nucleus of High Performance in Sport, Sport Science, São Paulo, Brazil.
authors.forename: F Y
authors.initials: FY
authors.lastname: Nakamura
mesh_terms: D000293:Adolescent; D056352:Athletes; D054874:Athletic Performance; D005080:Exercise Test; D006801:Humans; D007537:Isometric Contraction; D008297:Male; D053580:Muscle Strength; D018482:Muscle, Skeletal / Q000502:physiology*; D059385:Plyometric Exercise; D013550:Swimming / Q000502:physiology*