Parrillo 9-Site Method
PROA comprehensive skinfold measurement method developed specifically for bodybuilding applications, offering maximum precision for competition preparation and detailed progress tracking.
Method Overview
Developed by John Parrillo specifically for bodybuilding applications. Uses nine skinfold sites to account for various fat distribution patterns. Particularly effective for athletic populations.
- Accuracy: ±3-4% when performed correctly
- Most comprehensive skinfold method
- Excellent for trained individuals
- Accounts for athletic body types
- Best for bodybuilding applications
Measurement Protocol
Measurement Sites
- Chest
- Axilla (armpit area)
- Triceps
- Subscapular (below shoulder blade)
- Abdominal
- Suprailiac (above hip bone)
- Lower back
- Calf
- Quadriceps
Measurement Tips:
- Take measurements in a rotational sequence to allow skin to return to normal
- Use high-quality calipers for consistent readings
- Ensure proper site identification for accuracy
- Take measurements on the right side of the body
- Wait 1-2 seconds after applying caliper before reading