Salivary hormonal values from high-speed resistive exercise workouts.

Area of Science:

• Exercise Physiology
• Endocrinology
• Sports Science

Background:

• Understanding hormonal responses to exercise is crucial for optimizing training and performance.
• Salivary hormone analysis presents a non-invasive method for monitoring physiological changes.

Purpose of the Study:

• To investigate salivary testosterone and cortisol responses to a novel high-speed resistive exercise protocol.
• To examine gender differences in hormonal adaptations to this exercise modality.

Main Methods:

• Forty-five healthy subjects performed two sets of elbow flexor exercises on an inertial kinetic device.
• Saliva samples were collected pre- and immediately post-exercise for testosterone and cortisol analysis.
• Torque measurements were analyzed alongside hormonal data using ANOVA and regression.

Main Results:

• Men exhibited a significant 14% increase in salivary testosterone post-exercise, while women showed no significant change.
• No significant changes were observed in salivary cortisol levels for either gender.
• Torque output was significantly higher in men compared to women.

Conclusions:

• High-speed resistive exercise can elicit significant testosterone increases in men, even with brief workouts.
• Salivary hormone assays are a practical alternative to blood draws for athletes.
• Further research is needed to determine optimal post-exercise sampling times for hormonal analysis.