It is well documented that men participating in almost any form of exercise, whether it's submaximal bike riding or maximal resistance training, see an acute increase in testosterone in the hours following their workout.
Any time you create an oxygen deficit by performing exercise at a maximal or near-maximal level, you tax your lungs and challenge them to keep up with your body's oxygen requirements.
Preadolescents and adolescents should avoid competitive weight lifting, power lifting, body building, and maximal lifts until they reach physical and skeletal maturity.
In other words, the gluteal muscles will get maximal activation when they are used to perform activities that involve stepping upward on an incline.
Anaerobic exercise of maximal or near-maximal effort can only last between 90 to 120 seconds.