Sport Sciences for Health

, Volume 14, Issue 3, pp 607–614 | Cite as

Development of tables for classifying judo athletes according to maximal isometric strength and muscular power, and comparisons between athletes at different competitive levels

  • Braulio Henrique Magnani BrancoEmail author
  • Leonardo Vidal Andreato
  • Eugenio Diniz Ribeiro
  • Humberto Garcia de Oliveira
  • Felipe Natali Almeida
  • Nelson Nardo Junior
Original Article


The objectives of this study were to develop normative tables to classify judo athletes by maximal isometric strength and muscular power, and to compare performance at different competitive levels. 102 male athletes performed tests of maximal isometric handgrip strength (MIHS), scapular humeral traction (MISHT), lumbar traction (MILT), lower body traction (MILBT), plyometric push-up (PPU), countermovement jump (CJ) and squat jump (SJ). Performance was classified as: ≤ 10th percentile = very poor, 11–25th percentile = poor, 26–75th percentile = regular, 76–90th percentile = good and > 90th percentile = excellent. Classification relative to body mass [isometric (kg/kg) and power (cm kg)] was as follows: MIHS—very poor: ≤ 0.81; poor: 0.82–0.96; regular: 0.97–1.51; good: 1.52–1.79; excellent: ≥ 1.80, MILT—very poor: ≤ 1.14; poor: 1.15–1.41; regular: 1.41–2.0; good: 2.0–2.5; excellent: ≥ 2.6, MILBT—very poor: ≤ 1.15; poor: 1.16–1.44; regular: 1.45–2.15; good: 2.16–2.62; excellent: ≥ 2.63, MISHT—very poor: ≤ 0.34; poor: 0.35–0.41; regular: 0.42–0.62; good: 0.63–0.73; excellent: ≥ 0.74, PPU—very poor: ≤ 635.4; poor: 635.5–901.9; regular: 902.0–1801.4; good: 1801.5–2369.7; excellent: ≥ 2369.8, SJ—very poor: ≤ 1690.7; poor: 1690.8–1990.3; regular: 1990.4–3387.9; good: 3388.0–4029.4; excellent: ≥ 4029.5 and CJ—very-poor: ≤ 1775.4; poor: 1775.5–2195.4; regular: 2195.5–3667.2; good: 3667.3–4208.3; excellent: ≥ 4208.4. State athletes had lower MISHT (p = 0.015) than international athletes and lower CJ than national athletes (p = 0.05). International athletes showed better PPU performance than others (p < 0.05). MIHS, MISHT and PPU were sensitive to identify differences between competitive level of judo athletes (state, national and international level).


Exercise test Athletic performance Martial arts 



Maximal isometric handgrip strength


Maximal isometric lumbar traction


Maximal isometric lower body traction


Maximal isometric scapular humeral traction


Plyometric push-up


Squat jump


Countermovement jump


Vertical jump


Interclass coefficient



This study was funded by the authors.

Compliance with ethical standards

Conflict of interest

The authors declare that there are no conflicts of interests.

Ethical approval

The study was approved by the local ethics committee (57428916.9.0000.0104 - State University of Maringá, Paraná, Brazil). The study followed the recommendations of the Helsinki Declaration.

Informed consent

All athletes signed the informed consent to participate in the present study.


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Copyright information

© Springer-Verlag Italia S.r.l., part of Springer Nature 2018

Authors and Affiliations

  • Braulio Henrique Magnani Branco
    • 1
    • 2
    • 3
    • 4
    Email author
  • Leonardo Vidal Andreato
    • 2
    • 4
  • Eugenio Diniz Ribeiro
    • 5
  • Humberto Garcia de Oliveira
    • 2
    • 4
  • Felipe Natali Almeida
    • 2
    • 3
  • Nelson Nardo Junior
    • 6
  1. 1.Postgraduate Program in Health Promotion at the University Center of Maringá (UNICESUMAR)MaringáBrazil
  2. 2.Department of Physical Education of the University Center of Maringa (UNICESUMAR)MaringáBrazil
  3. 3.Department of Physiotherapy of the University Center of Maringa (UNICESUMAR)MaringáBrazil
  4. 4.Research Group in Physical Education, Physiotherapy, Sports, Nutrition and Performance (GEFFEND/UNICESUMAR)MaringáBrazil
  5. 5.São Paulo State Judo FederationSão PauloBrazil
  6. 6.Physical Education Department of Maringá State University (UEM)MaringáBrazil

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