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Table 1 Descriptive, morphological and functional characteristics of all participants and genetic frequency, in the non-resistance trained (NT) cohort

From: Fat mass and obesity associated (FTO) gene influences skeletal muscle phenotypes in non-resistance trained males and elite rugby playing position

Phenotype All (n = 120) AA (n = 18) AT (n = 58) TT (n = 44) TT + AT (n = 102) P values Additive (Recessive)
Height (m) 1.79 (0.06) 1.80 (0.06) 1.78 (0.07) 1.80 (0.06) 1.79 (0.07) 0.15 (0.48)
Mass (kg) 75.0 (10.0) 81.0 (8.1) 74.2 (10.3) 73.5 (9.6) 73.9 (10.0) 0.03 (0.02)
BMI (kg∙m-2) 23.4 (2.7) 25.1 (2.6) 23.5 (2.8) 22.6 (2.4) 23.1 (2.6) 0.02 (0.02)
Age (years) 20.6 (2.3) 21.6 (2.8) 20.9 (2.4) 19.7 (1.6) 20.4 (2.1) 0.02 (0.08)
Fat mass (%) 21.5 (5.2) 23.3 (5.5) 21.8 (5.2) 20.3 (4.8) 21.2 (5.1) 0.09 (0.11)
LM (%) 73.5 (5.9) 70.3 (6.3) 73.3 (5.6) 75.1 (5.8) 74.4 (5.6) 0.04 (0.04)
Total appendicular LM (%) 33.4 (3.8) 31.6 (3.5) 33.0 (3.7) 34.6 (3.7) 33.7 (3.7) 0.04 (0.05)
Arm LM (%) 8.5 (1.2) 7.9 (1.0) 8.6 (1.3) 8.7 (1.1) 8.7 (1.2) 0.06 (0.04)
Leg LM (%) 24.8 (2.9) 23.7 (3.1) 24.4 (2.8) 25.8 (2.9) 25.0 (2.9) 0.04 (0.10)
V VL (cm3) 566 (86) 585 (81) 550 (86) 580 (85) 563 (86) 0.20 (0.61)
VL ACSA (cm2) 21.4 (2.5) 21.9 (2.8) 21.0 (2.4) 21.9 (2.5) 21.4 (2.5) 0.20 (0.86)
VL PCSA (cm2) 71.7 (13.9) 71.2 (13.9) 72.0 (13.7) 71.5 (11.0) 71.8 (12.6) 0.97 (0.61)
Isometric MVCKE torque (N∙m) 272 (53) 285 (38) 271 (63) 268 (45) 270 (56) 0.50 (0.25)
VL specific force (N∙cm-2) 21.6 (2.6) 22.3 (2.5) 21.6 (2.5) 21.1 (2.8) 21.4 (2.6) 0.50 (0.25)
  1. Data are mean (SD)
  2. BMI, body mass index, LM lean mass, VL vastus lateralis, ACSA anatomical cross sectional area, PCSA physiological cross-sectional area, MVC KE maximal voluntary contraction, V VL vastus lateralis muscle volume