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 Biggest Loser UK (series 5) The prize of £25,000 was won by Kevin McLernon, who shed 40% of his body weight. There are 14 contestants in this season, competing as 7 teams of two. The "Total Votes" column indicates the number of votes cast against the contestant when he/she was eliminated. Notes Notes The Biggest Loser UK (series 5) The Biggest Loser UK 2012 is the fifth series of the reality television show titled The Biggest Loser. The series began on ITV on 3 January 2012 and ended on 13 March 2012, with seven overweight pairs (fourteen individuals) competing for a cash prize. Davina McCall