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 Australia: Couples 8:30pm on Channel Ten. The last episode before this was a normal half-hour episode at 7:00pm on the same day. Bob Herdsman was crowned the 2009 Biggest Loser, having lost 87.6 kg, or 52.21% of his body weight, winning him the $200,000 grand prize. His results were a record for most kilos and highest body percentage lost in the show's history. He is also the oldest contestant to win the show in any version of "The Biggest Loser". Tiffany finished in second place and won $30,000, Sharif finished in third place and won $20,000, and Sammy finished in fourth place