Within-Week Variations and Relationships between Internal and External Intensities Occurring in Male Professional Volleyball Training Sessions

Ricardo Franco Lima, Francisco Tomás González Férnandez, Ana Filipa Silva, Lorenzo Laporta, Henrique de Oliveira Castro, Sérgio Matos, Georgian Badicu, Gonçalo Arezes Pereira, Gustavo De Conti Teixeira Costa and Filipe Manuel Clemente
Additional contact information
Ricardo Franco Lima: The Research Centre of Sports Performance, Recreation, Innovation and Technology (SPRINT), 4960-320 Melgaço, Portugal
Francisco Tomás González Férnandez: Department of Physical Education and Sport, Faculty of Education and Sport Sciences, Campus Melilla, University of Granada, 52006 Melilla, Spain
Ana Filipa Silva: The Research Centre of Sports Performance, Recreation, Innovation and Technology (SPRINT), 4960-320 Melgaço, Portugal
Lorenzo Laporta: Centro de Educação Física e Desportos, Univerisidade Federal de Santa Maria, Santa Maria 97105-900, Brazil
Henrique de Oliveira Castro: Faculdade de Educação Física, Universidade Federal de Mato Grosso, Cuiabá 78068-600, Brazil
Sérgio Matos: The Research Centre of Sports Performance, Recreation, Innovation and Technology (SPRINT), 4960-320 Melgaço, Portugal
Georgian Badicu: Department of Physical Education and Special Motility, Faculty of Physical Education and Mountain Sports, Transilvania University of Brasov, 500068 Brasov, Romania
Gonçalo Arezes Pereira: Escola Superior Desporto e Lazer, Instituto Politécnico de Viana do Castelo, 4900-347 Viana do Castelo, Portugal
Gustavo De Conti Teixeira Costa: Faculdade de Educação Física e Dança, Universidade Federal de Goiás, Goiânia 74690-900, Brazil
Filipe Manuel Clemente: The Research Centre of Sports Performance, Recreation, Innovation and Technology (SPRINT), 4960-320 Melgaço, Portugal

IJERPH, 2022, vol. 19, issue 14, 1-11

Abstract: The purpose of the study was to test the within-week variations of the internal and external training intensity outcomes organized by days of the week. An 8-month observational period was conducted during the 2020–2021 season. The training sessions and matches of an elite volleyball team were monitored daily. The data comes from 14 players (two setters, five middle blockers, five outside hitters, and two opposites) of an elite team from the Portuguese 1st League (age: 21.7 ± 4.19 years of age; experience: 6.2 ± 3.8 years; body mass: 85.7 ± 8.69 kg; height: 192.4 ± 6.25 cm; BMI: 23.1 ± 1.40 kg/m 2 ). The CR10 Borg scale was applied daily to measure the training intensity. The rate of perceived exertion (RPE) and the session-RPE were extracted as the internal outcomes. The external intensity was measured using an inertial measurement unit (IMU). The number of jumps, height average of jumps (JHA), minimum jump (MJ), maximal jump (MXJ), range jump (RJ), number of jumps (NJ), and training session density (D) were extracted as external intensity outcomes. The results showed that there was a difference between RPE and S-RPE (F (1.98) = 6.31, p = 0.01, η 2 = 0.36, and F (1.73) = 28.30, p = 0.001, η 2 = 0.72), as well as JHA and NJ (F (2.14) = 4.76, p = 0.02, η 2 = 0.30, and F (1.77) = 4.77, p = 0.02, η 2 = 0.30) within the microcycle. When analyzing the correlations between internal and external intensity, it was observed that there was a negative correlation between the Maximum Jump (4, 3, and 1 days before the Match day) (r 2 = 0.34, r 2 = 0.40, r 2 = 0.41, respectively) and the Range Jump (3 and 1 days before the Match day (r 2 = 0.33, r 2 = 0.38, respectively) with the RPE (4 days before the Match day) and Maximum Jump (5, 4, 3, and 1 days before the Match day (r 2 = 0.35, r 2 = 0.39, r 2 = 0.44, r 2 = 0.34, respectively) and Range Jump (5, 4, 3, and 1 days before the Match day) (r 2 = 0.34, r 2 = 0.35, r 2 = 0.40 and r 2 = 0.36, respectively) with S_RPE (4 days before the Match day). Such findings show that higher internal intensities are correlated with lower external intensities in sessions further away from the game day. Such results could be an important tool for coaches to reflect, plan, monitor, and execute the training unit according to the temporal distance to the competition.

Keywords: volleyball workload; internal load; external load; monitoring; intensity; elite male (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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