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Related Experiment Videos

Relationship between power and sprint freestyle swimming

R L Sharp, J P Troup, D L Costill

    Medicine and Science in Sports and Exercise
    |January 1, 1982
    PubMed
    Summary

    Power output is crucial for sprint swimming success, with peak performance occurring at an optimal velocity. Strength training significantly enhances arm power and swimming performance, while fatigability is not a key factor.

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    Area of Science:

    • Sports Science
    • Biomechanics
    • Swimming Performance Analysis

    Background:

    • Sprint swimming demands significant power output.
    • Understanding the relationship between power and performance is key for training.
    • Fatigability's role in sprint swimming requires further investigation.

    Purpose of the Study:

    • To determine the role of arm power in sprint swimming performance.
    • To identify the optimal velocity for peak power production in swimmers.
    • To assess the impact of strength training on power and performance.

    Main Methods:

    • 40 competitive swimmers (22 female, 18 male) were assessed for arm power using a specialized apparatus.
    • Swimmers performed 25-yard freestyle sprints.
    • Fatigability was measured, and four detrained swimmers underwent strength training.

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    Main Results:

    • A strong correlation (r=0.90) was found between power output and sprint swimming performance.
    • Peak power was achieved at an average velocity of 2.40 m/s (optimal velocity).
    • Strength training increased arm power by 18.66% and performance by 3.76%; fatigability showed no relation to sprint ability (r=0.01).

    Conclusions:

    • Arm power is a critical and measurable component of sprint swimming success.
    • Optimal velocity for power production is a key performance indicator.
    • Isokinetic strength training effectively improves power and performance in swimmers.