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  2. High-intensity training - Wikipedia

    en.wikipedia.org/wiki/High-intensity_training

    High-intensity training (HIT) is a form of strength training popularized in the 1970s by Arthur Jones, the founder of Nautilus. The training focuses on performing quality weight training repetitions to the point of momentary muscular failure .

  3. High-intensity interval training - Wikipedia

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

    High-intensity interval training (HIIT) is a training protocol alternating short periods of intense or explosive anaerobic exercise with brief recovery periods until the point of exhaustion. [1] HIIT involves exercises performed in repeated quick bursts at maximum or near maximal effort with periods of rest or low activity between bouts.

  4. Super Slow - Wikipedia

    en.wikipedia.org/wiki/Super_Slow

    Super Slow is Hutchins' trademarked name for the High intensity training approach advocated by Arthur Jones. It is based on ideas from the 1940s and 1960s called 10/10 "muscle contraction with measured movement" and implemented using fixed weight Nautilus machines.

  5. Frequency principle/spectral bias - Wikipedia

    en.wikipedia.org/wiki/Frequency_principle/...

    Based on the following assumptions, i.e., i) certain regularity of target function, sample distribution function and activation function; ii) bounded training trajectory with loss convergence, Luo et al. [5] prove that the change of high-frequency loss over the total loss decays with the separated frequency with a certain power, which is determined by the regularity assumption.

  6. Heart rate variability - Wikipedia

    en.wikipedia.org/wiki/Heart_rate_variability

    Frequency domain methods [45] assign bands of frequency and then count the number of NN intervals that match each band. The bands are typically high frequency (HF) from 0.15 to 0.4 Hz, low frequency (LF) from 0.04 to 0.15 Hz, and the very low frequency (VLF) from 0.0033 to 0.04 Hz. [50]

  7. High frequency QRS - Wikipedia

    en.wikipedia.org/wiki/High_Frequency_QRS

    High frequency QRS (HFQRS) refers to the analysis of the high frequency spectral components of the QRS complex in an electrocardiogram (ECG). High frequency analysis of the QRS complex may be useful for detection of coronary artery disease during an exercise stress test. [ 1 ]

  8. Whole-body vibration - Wikipedia

    en.wikipedia.org/wiki/Whole-body_vibration

    This could be through a driver's seat, a moving train platform, a power tool, a training platform, or any one of countless other devices. [1] It is a potential form of occupational hazard, particularly after years of exposure. When high frequency vibrations [2] (above 50 Hz) enter through the hands, occupational safety concerns may

  9. Theta wave - Wikipedia

    en.wikipedia.org/wiki/Theta_wave

    The frequency of the theta waves increases as a function of running speed, starting at about 6.5 Hz on the low end, and increasing to about 9 Hz at the fastest running speeds, although higher frequencies are sometimes seen for brief high-velocity movements such as jumps across wide gaps.