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Area of Science:

  • Sports Science
  • Exercise Physiology
  • Strength and Conditioning

Background:

  • Velocity-based training (VBT) is utilized to optimize resistance training intensity.
  • The acute effects of different VBT protocols on subsequent rowing performance and neuromuscular capacity are not fully understood.

Purpose of the Study:

  • To investigate the acute effects of four VBT protocols with varying intensity and velocity loss on 2000-m rowing ergometer (RE2000) performance.
  • To examine the impact of these VBT protocols on maximal neuromuscular capacities, assessed via the load-velocity relationship (LVR).

Main Methods:

  • Fifteen male competitive rowers performed five randomized protocols: RE2000 alone (control), and four VBT protocols (60% or 80% of 1RM with 10% or 30% velocity loss) followed by RE2000.
  • Maximal neuromuscular capacities were evaluated using the load-velocity relationship (L0, v0, Aline) during prone bench pull before and after each protocol.

Main Results:

  • RE2000 time trial performance was significantly slower following VBT protocols with 30% velocity loss compared to control and 10% velocity loss protocols.
  • All protocols significantly reduced L0 and Aline, indicating impaired maximal neuromuscular capacities.
  • A more pronounced reduction in Aline was observed after protocols with 30% velocity loss and the control condition compared to the VBT80-10 + RE2000 protocol.

Conclusions:

  • VBT protocols incorporating a 30% velocity loss acutely impair 2000-m rowing ergometer performance.
  • The observed performance decrement is associated with impairments in maximal neuromuscular capacities, particularly evident in the area under the load-velocity relationship (Aline).
  • Coaches should consider the velocity loss parameter in VBT to avoid negative impacts on subsequent rowing performance.