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A Rapidly Incremented Tethered-Swimming Maximal Protocol for Cardiorespiratory Assessment of Swimmers

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Effects of a Transoceanic Rowing Challenge on Cardiorespiratory Function and Muscle Fitness.

Chris Ellis^1,2, Thomas E Ingram^1,2, Chris Kite^2,3,4,5

¹Shrewsbury and Telford Hospital NHS Trust, Cardio Respiratory, Apley Castle Telford, TF16TF, UK.

International Journal of Sports Medicine

|November 6, 2023

Summary

Older males undertaking a 50-day rowing challenge showed no significant cardiovascular risks. While fitness measures fluctuated, cardiac function remained stable, highlighting the safety of ultra-endurance events with proper preparation.

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Supramaximal Intensity Hypoxic Exercise and Vascular Function Assessment in Mice

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Area of Science:

Cardiology
Exercise Physiology
Gerontology

Background:

Ultra-endurance sports are gaining popularity among older adults.
Assessing the cardiovascular and physical impacts of extreme endurance events in this demographic is crucial.

Purpose of the Study:

To evaluate changes in cardiac function and physical fitness in males aged 50-60 years after a 50-day transoceanic rowing challenge.
To determine the cardiovascular safety of such extreme endurance events in older males.

Main Methods:

Case study of four males aged 50-60 years.
Electrocardiography (ECG) and echocardiography (echo) performed pre- and post-event.
Cardiorespiratory and muscular fitness assessments conducted pre- and post-event.
Body mass changes monitored throughout the challenge.

Main Results:

No clinically significant changes in myocardial function were observed.
Training and rowing induced expected, transient changes in left ventricular and atrial function, resolving post-event.
Significant body mass loss (8.4-15.6 kg) occurred.
Absolute cardiorespiratory power and muscular strength decreased post-race, but cardiorespiratory exercise economy improved.

Conclusions:

A structured training program followed by a 50-day transoceanic rowing challenge did not pose acute or long-term cardiovascular risks to older males.
Pre-event screening, fitness testing, and appropriate training are recommended for older participants undertaking extreme endurance activities.