Spondylolysis (Pars Fracture of the Spine). Spondylolysis occurs when there is a crack in the bony posterior (rear) portion of the spinal column. The human spine is made up of 24 bones-called vertebrae-which are stacked on top of one another in the spinal column.
A normal resting heart rate for adults ranges from 60 to 100 beats a minute. Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness.For example, a well-trained athlete might have a normal resting heart rate closer to 40 beats a minute.To measure your heart rate, simply check your pulse. Place your index and third fingers on your neck to the side of your windpipe.or example, a well-trained athlete might have a normal resting heart rate closer to 40 beats a minute. To measure your heart rate, simply check your pulse. Place your index and third fingers on your neck to the side of your windpipe.
Making the world better, one answer at a time. A Resting Heart Rate anywhere in the range of 60 - 90 is considered in the normal range. Your Heart Rate will fluctuate a lot depending on such factors as your activity level and stress level. normal heart rate is between 60 - 100 times per minuet.  Sinus braydicardia is a heart rate below 60 BPM. A heart rate of 52 BPM may be dangerous but it depends on the und â¦ erlying causes.