Isthmic spondylolisthesis is caused by a defect in a part of the vertebra called the pars interarticularis. This defect can cause the vertebra to slip forward.
What's a normal heart rate? Most adults have a resting heart rate of 60-100 beats per minute (bpm). The fitter you are, the lower your resting heart rate is likely to be. For example, athletes may have a resting heart rate of 40-60 bpm or lower. You should contact your GP if you think your heart rate is continuously above 120 bpm or below 40 bpm, although this could just be normal for you.
Asker's rating. Report Abuse. The normal resting heart rate for an adult is between 60 and 100 beats per minute (bpm). that can vary with the person's level of cardiovascular fitness-for example, an olympic athlete may have a resting heart rate of 45-50 bpm and be perfectly healthy.he expected resting heart rate (when not exercising) for a healthy child is between 80 and 90 beats per minute, for a healthy adult female approximately 75 beats per minute, and for a healthy adult male an approximate figure of 70 beats per minute. THE GENIUS Â· 6 years ago.