Table 1.
Study | Sample | RMR Prediction Equation (kcal·day−1) |
---|---|---|
Commonly Used Equations | ||
Harris–Benedict [28] | M = 136 F = 103 |
M: 66.47 + (13.75 × BM) + (5.00 × H) − (6.75 − age) |
Cunningham [29] | M = 120 F = 103 |
500 + (22 × FFM) |
ten Haaf FFM [23] | M = 53 F = 37 |
484.26 + (22.77 × FFM) |
ten Haaf BM [23] | M = 53 F = 37 |
29.28 + (11.94 × BM) + (5.88 × H) − (8.13 × age) + (191.03 × sex (M = 1, F = 0)) |
Jagim [30] | M = 68 | M: 775.33 + (19.46 × BM) |
Tinsley FFM [14] | M = 17 F = 10 |
284 + (25.9 × FFM) |
Tinsley BM [14] | M = 17 F = 10 |
10 + (24.7 × BM) |
RU Specific Equations | ||
Mackenzie-Shalders LBM [15] | M = 18 | 24.56 − (29.71 × FFM) |
Mackenzie-Shalders BM [15] | M = 18 | 775.32 + (15.95 × BM) |
Newly Developed Equations | ||
Posthumus (FFM equation) | M = 108 | M: 1351.74 + (14.53 × FFM in kg) |
Posthumus (BM equation) | M = 108 | M: 1489.93 + (10.63 × BM in kg) |
RMR = resting metabolic rate, M = male, F = female, BM = body mass, H = height, FFM = fat-free mass, RU = rugby union, LBM = lean body mass. Units for these equations are as follows: BM = kg, H = cm, age = years, FFM = kg, LBM = kg.