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Does endurance training declines testosterone responses?


As we all know that endurance training has the most advantageous benefits in our body. When it comes to hormonal responses in association with endurance training, there is a misconception in training principles among many people. Here I want to remind the quote from Oscar Wilde "Everything In Moderation, Including Moderation". Endurance training is not an exemption from this quote.

The study reveals, Endurance training in men affects pituitary-gonadal function including testosterone and prolactin concentrations. Findings among 86 male runners ( with a running range of 56-64 km per week) and 18 non-runners. It shows the runners had depressed testosterone levels in comparison with non-runners. The mechanism is still unclear but may be related to dysfunction within the 'hypothalamic-pituitary testicular regulatory axis'. Potentially lowered testosterone levels could disrupt reproductive and androgenic processes with the male.

Endurance training at a particular absolute intensity produces lower testosterone-dependent processes. Adjusting exercise intensity to a percentage of each's person maximum capacity at the same relative intensity, which may eliminate the training-related differences in hormonal responses. So it's clear now that involving in high-intensity endurance training will attenuate testosterone levels and its dependent processes. Making a tailored training program by adjusting the FITT principle based on the individual needs and analysis.

The moderate intensity and low volume endurance training can significantly increase testosterone concentrations in previously untrained men. Alright! read below to know about the moderate intensity in the training program based on heart rate training.

what are the guidelines and recommendations for endurance training?

Based on the guidelines from ACSM (American College of Sports Medicine). In a single bout, aerobic training can be performed up to 60 mins per day for 5 days a week with low and moderate intensity (40-59% HRmax) or 20 minutes for 3 days per week with high intensity (60-89% HRmax). The mode of training can be anything including walking, running, cycling, etc.

In the bottom line,

  • Chronic exposure to high-intensity endurance training can decline testosterone and androgenic processes. This may happen due to the hypothalamic-pituitary-testicular regulatory axis.
  • Adjusting training intensity to moderate and low volume can significantly increase testosterone levels in previously untrained men.
  • Check with your exercise professionals for the intensity of the program before beginning any of the training programs. If you're following more than a single mode of training, ask the professional for an integrated approach to the intensity prescription

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