John McCallum’s realistic measurement ideals for hard gainers.

In the book brawn, Stuart McRobert published the old “John McCallum formula for “challenging yet realistic” measurements for “hard gainers. His formula is based on wrist measurement and was also published in the book Super Squats:

Chest: 6.5 x wrist
Hips: 85% x chest
Waist: 70% x chest
Thigh: 53% x chest
Neck: 37% x chest
Upper arm: 36% x chest
Calf: 34% x chest
Forearm: 29% x chest

McCallum Formula In Use(All Measurements are in Inches):

Wrist

6.5

Wrist:

6.5

Chest: 6.5 x wrist

Chest: 6.5 x 6.5

Chest:

42.25

Hips: 85% x chest

Hips: 85% x 42.25

Hips:

35.9

Waist: 70% x chest

Waist: 70% x 42.25

Waist:

29.57

Thigh: 53% x chest

Thigh: 53% x 42.25

Thigh:

22.39

Neck: 37% x chest

Neck: 37% x 42.25

Neck:

15.63

Upper arm: 36% x chest

Upper arm: 36% x 42.25

Upper arm:

15.21

Calf: 34% x chest

Calf: 34% x 42.25

Calf:

14.36

Forearm: 29% x chest

Forearm: 29% x 42.25

Forearm:

12.25

musculature

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