Not exact matches
Short bursts of 10 or 15 minutes count toward this daily tally, so make sure your child has lots
of opportunities for physical
activities before, during, and after school.
Sleepers who tolerated louder sounds
before waking showed a higher frequency
of «sleep spindles» —
short bursts of activity of specific wavelength — during non-REM sleep than those who woke more easily.
Anaerobic metabolism produces energy for
short, high - intensity
bursts of activity lasting no more than several minutes
before the lactic acid build - up reach a threshold known as the lactate threshold and muscle pain, burning and fatigue make it difficult to maintain such intensity.