Website Content Writing

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
Fitness for Older Adults
Flexibility and Stretching Training
Pre and Post Natal Fitness Training
Strength Training
Running/ Marathon Fitness Preparation
Core and Abdominal Training
Osteoporosis and Arthritis

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 - information will be provided on successful award of the Job

I need the work completed by this Saturday 3rd December at 5pm for a fixed price of £80 (£10 per article)

Thanks Jason