LOAD DURING THE VERTICAL JUMP IN WATER: VALUES FOR PRESCRIPTION IN HYDROTHERAPY

  • Alessandro Haupenthal
  • Caroline Ruschel
  • Heiliane B Fontana
  • Daniela P Santos
  • Paulo R Cerutti
  • Helio Roesler
Keywords: biomechanics, aquatic exercises, hydrogymnastics, , rehabilitation

Abstract

This study aimed to analyse the vertical component of the ground reaction force (GRF) in the vertical jump in water performed by men and women at two levels of immersion. 11 men and 11 women performed three vertical jumps on a water-proof force plate at hip and chest levels of immersion. No effect of gender was observed. No difference between levels of immersion was found for peak of propulsion [1.85 and 1.89 units of body weight (BW) at the hip and chest respectively]. During the landing phase, the force peak was significantly higher at the hip level (2.62 BW) than at the chest level (2.07 BW). The force during the propulsion phase was similar between the immersions; however the vertical load on landing needs to be considered when prescribing this exercise, even in water.
Section
Coaching and Sports Activities