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  2. The 66-year-old demonstrated three cardio and bodyweight exercises for “head-to-toe toning.” “We’re gonna sculpt, tone, and burn some calories,” Austin said in the video.

  3. What is '12-3-30'? An expert on the viral walking treadmill ...

    www.aol.com/news/12-3-30-walking-treadmill...

    The 12-3-30 workout is a walking incline treadmill routine that people say improves endurance, boost mental health and helps with weight loss.

  4. High-intensity interval training - Wikipedia

    en.wikipedia.org/wiki/High-intensity_interval...

    The high-intensity exercise should be done at near maximum intensity. The medium exercise should be about 50% intensity. The number of repetitions and length of each depends on the exercise, but may be as little as three repetitions with just 20 seconds of intense exercise. [12] The specific exercises performed during the high-intensity ...

  5. What is 12-3-30? The walking treadmill routine helping people ...

    www.aol.com/news/12-3-30-workout-does-203400812.html

    The 12-3-30 workout is a viral walking treadmill routine. Experts weigh in on how to try it safely to lose weight and improve endurance. ... at a speed of 3 miles per hour and walk for 30 minutes ...

  6. Aerobic exercise - Wikipedia

    en.wikipedia.org/wiki/Aerobic_exercise

    Aerobic exercise, also known as cardio, is physical exercise [1] of low to high intensity that depends primarily on the aerobic energy-generating process. [2] " Aerobic" is defined as "relating to, involving, or requiring oxygen", [ 3 ] and refers to the use of oxygen to meet energy demands during exercise via aerobic metabolism adequately. [ 4 ]

  7. Cardiovascular fitness - Wikipedia

    en.wikipedia.org/wiki/Cardiovascular_fitness

    Cardiovascular fitness is a component of physical fitness, which refers to a person's ability to deliver oxygen to the working muscles, including the heart.Cardiovascular fitness is improved by sustained physical activity (see also Endurance Training) and is affected by many physiological parameters, including cardiac output (determined by heart rate multiplied by stroke volume), vascular ...