Unique Website Content

I need to get some content written for several new health and fitness websites. Looking for 8 articles of approx 350 to 400 words each on the following subjects:
Fat Loss and Weight Management - personal trainer
Fitness for Older Adults - fitness trainer
Flexibility and Stretching Training - personal trainers
Pre and Post Natal Fitness Training - personal training
Strength Training - home personal trainer
Running/ Marathon Fitness Preparation - mobile personal trainer
Core and Abdominal Training - mobile personal training
Osteoporosis and Arthritis - female personal trainer

The articles need to uniquie content and will be checked against Copyscape and written to sell in the services of personal training to a client who is looking for weight loss/Strength Training etc etc. The need to have keyword density of 4 to 7% and focusing one one keyword for each article (please see above)

I need the work completed by this Friday December 16th at 5pm for a fixed price of £80 (£10 per article)

Thanks Jason