While it is not clear what causes these symptoms, growing pains may be linked with the sleep condition called periodic limb movement disorder. (childrenshospital.org)
Recent evidence has found that in people with low back pain these muscles fail to contract before limb movement and so the spine is vulnerable to injury. (sportsinjuryclinic.net)
This occurs when the ankle, knee, and hip all extend simultaneously during lower limb movements like running and jumping. (blog.bridgeathletic.com)