Functional Anatomy. Spondylolysis is derived from the Greek word spondylo, which means vertebrae, and lysis, which means fracture. Spondylolysis is defined as a defect in the pars interarticularis of the vertebral arch. Often, it is described in association with spondylolisthesis, which can be found concurrently with spondylolysis.
According to the National Institute of Health, the average resting heart rate: 1  for children 10 years and older, and adults (including seniors) is 60 - 100 beats per minute. 2  for well-trained athletes is 40 - 60 beats per minute.
Normal resting heart rate. The US National Institutes of Health has published a list of normal resting heart rates. The pulse gets progressively slower through childhood toward adolescence. The normal resting heart rate for adults, including older-aged adults and everyone over the age of 10 years, is: 4.1  Between 60-100 heartbeats a minute.ormal resting heart rate. The US National Institutes of Health has published a list of normal resting heart rates. The pulse gets progressively slower through childhood toward adolescence. The normal resting heart rate for adults, including older-aged adults and everyone over the age of 10 years, is: 4.