Home > Newsletters > Daily: Love or hate Earth Hour? > Daily Dose: 15 astounding facts about the human body > Health-in-Motion Updated 08 September 2014 Strengthen your quads Do leg extensions at your desk to strengthen your quads. Stay as you are now in your chair and extend your one leg straight ahead, until it's level with your hip. Hold as long as is comfy, then relax. Repeat with the other side. Do this a couple of times during your day. 0 More: Daily Dose: 15 astounding facts about the human bodyHealth-in-Motion advertisement Read Health24’s Comments Policy Comment on this story 0 comments Comments have been closed for this article. Logout Comment 0 characters remaining Share on Facebook Loading comments... Other news Diet and nutrition Is your water hydrating you? Fitness 5 ways to save your knees and joints Lifestyle 7 ways dermatologists protect their skin – without totally avoiding the sun Fitness From obesity to a 100-miler running machine! News NSFW: Man with world’s biggest penis now ‘disabled’ News 10 freak accidents that killed people From our sponsors Discover treatments that can help reduce acne What can I do to reduce or remove acne marks? Dementia and Incontinence: what you need to know WIN a R2000 Skin Renewal online store voucher! Live healthier Watch out! » Gross fungal infections you can pick up at the gym You go to gym to exercise. But make sure the only thing you pick up is a dumbbell and not one of these gross fungal infections. Holiday health » Your 10-step asthma holiday checklist Don’t let asthma ruin your summer holiday. Whether you are travelling or embracing the summer at home, make sure you plan ahead.