Jackson & Pollock 7-Site Method
PRO+A comprehensive skinfold-based method using seven measurement sites for a more detailed assessment. Commonly used in field assessments.
Method Overview
Developed by Jackson and Pollock, this method represents the comprehensive approach to skinfold-based body fat assessment. Uses seven strategic measurement sites to account for various fat distribution patterns.
- Accuracy: ±3-4% with proper technique
- Comprehensive skinfold method
- Commonly used in field assessments
- Requires consistent technique across sites
Measurement Protocol
Measurement Sites
- Chest
- Midaxillary (side of torso)
- Triceps
- Subscapular (below shoulder blade)
- Abdomen
- Suprailiac (above hip bone)
- Thigh
Measurement Tips:
- Grasp skinfolds firmly between thumb and index finger
- Apply caliper perpendicular to skinfold
- Take measurements on the right side of the body
- Wait briefly after applying the caliper before reading
- Take multiple measurements at each site for accuracy