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.
1 Normal values for pulse rate depend on age and fitness level. 2  A normal adult has a pulse rate of 72 per minute and an athlete s pulse rate maybe below 50 per minute.3  Patients with an average resting pulse rate above 70 beats per minute can have a slightly higher incidence of heart attacks. Normal values for pulse rate depend on age and fitness level. 2  A normal adult has a pulse rate of 72 per minute and an athlete s pulse rate maybe below 50 per minute.