Effect of spaceflight on the human body of muscle fibre prominent in muscles also change. Slow twitch endurance fibres used to maintain posture are replaced by fast twitch rapidly contracting fibres that are insufficient for any heavy labour. Advances in research on exercise, hormone supplements and medication may help maintain muscle and body mass. Bone metabolism also changes. Normally, bone is laid down in the direction of mechanical stress. However, in a microgravity environment there is very little mechanical stress. This results in a loss of bone tissue approximately 1.5% per month especially from the lower vertebrae, hip and femur. Due to microgravity and the decreased load
The Case of the Night-Stalking Bone Monster The Case of the Night-Stalking Bone Monster The Case of the Night-Stalking Bone Monster is the 27th book in the "Hank the Cowdog" book series. While Hank is spying on the turkeys, Slim arrives in a gloomy mood and he and Loper deposit their checks to the IRS at the mailbox, leaving Hank to wonder what "IRS" means. Later on Hank tries to get steak bones from Little Alfred and Pete the local cat comes along and argues over them. While Hank chases Pete up a tree, someone (presumably Drover) steals the bones. Hank finds Drover with his bones and