Calisthenics exercises, like push-ups, pull-ups, and dips, utilize your own body weight for resistance. You can incorporate sprinting into your HIIT routine, or you can perform standalone sprint workouts. By lifting heavy weights, you stimulate testosterone production, enhance muscle mass, and reduce body fat. In fact, very high volumes of endurance training may lower testosterone levels, particularly in men who train intensely for long periods. Moderate cardio, like jogging, cycling, or swimming, does not appear to significantly increase testosterone levels. Certain types of exercise are more likely to trigger short-term increases in testosterone. Since the training protocols differ in time, where the leg training for HL is 15 minutes longer, AUC is expressed as time adjusted AUC (area units per minute). Testosterone, sex-hormone-binding hormone (SHBG) and GH were analyzed using standard immunoassay procedures at the Clinical Chemistry Laboratory, Umeå University Hospital. The acute hormonal response was analyzed during one of the three training session (i.e., session 16, 17, or 18) in the sixth week of the intervention (Figure 1). That stress (in a good way) tells your body, "Hey, we need more testosterone." Now let’s get into the libido boosting workouts that actually work. Your body is more than simply your bones and muscles. When testosterone drops, so does your drive—physically, mentally, and yes, sexually. Now get out there and make those hormones dance! It’s like a hormone-producing meditation – om my gains! Don’t let the simplicity fool you – planks are a hormonal powerhouse. This is possibly due to the small discrepancy between the training protocols in the present study (same exercises and muscle engagement, with different loadings). While this type of training lead to a greater increase in GH, it did not potentiate 1-RM strength in the upper body. Blood sampling took place two hours post-prandial, after 15 minutes seated rest (Pre), and then after leg exercises (Intra), after completed workout (Post) and then after 15 (+15′) and 30 (30′) minutes of rest. Training load was adjusted successively (e.g., increased loading for a given exercise when failure was not met in third set) to ensure adequate training intensity and for achieving failure in the targeted repetition range. Blood sampling for hormonal measurements took place at five time points during a standardized training session in the middle of the intervention period. Studies have shown that five weeks of low volume, moderate-intensity endurance training can elicit significant changes in testosterone levels among men who are untrained. Because of this, many exercises performed during HIIT workouts consist of power moves. Short bursts of intense activity followed by periods of rest or low-intensity exercise can significantly boost testosterone levels.