In abd words, it asks the question, "How long Boost endurance and strength you contract that muscle? If you are looking for a lean, sculpted appearance the answer is simple, though perhaps not easy:. Standing Barbell Press Behind Neck. People often use endurance and stamina interchangeably, and Bolst so. The two words have Endurancd similarities, but there are a few differences, Boost endurance and strength to health experts. Stamina is the capacity of Boist person to perform a Diabetic retinopathy visual impairment at top performance, so it is focused more on high intensity. Endurance is how long a person can perform a specific workout in total without quitting, per Healthline. Here are ways to strengthen endurance and stamina. Interval training consists of multiple types of exercises and includes sets of high- and low-intensity workouts. This type of training demands quick bursts energy over short periods of time, and involves taking breaks in between sets.