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Table 2 Median (IQR) values for GMAX and GMED muscles for the PI and Cyclists groups

From: Mid-life cyclists preserve muscle mass and composition: a 3D MRI study

 

Physically Inactive

Cyclists

p-value

Fat Fraction [%]

   

GMAX*

21.6 (19.4–25.0)

14.8 (13.3–16.2)

p < 0.01

GMED†

16.0 (14.8–17.1)

11.4 (10.5–12.8)

p < 0.01

Volume [cm3]

   

GMAX

804.7 (696.8-914.4)

791.3 (707.6-869.1)

p = 0.79

GMED

414.5 (373.1-484.5)

390.2 (359.2-412.4)

p = 0.09

Normalized Volume [cm3/kg]

   

GMAX

8.6 (8.0-9.2)

10.2 (9.5–11.0)

p < 0.01

GMED

4.5 (4.3–4.7)

5.0 (4.8–5.2)

p < 0.01

Lean Normalized Volume [cm3/kg]

   

GMAX

6.5 (5.8–7.5)

8.6 (8.1–9.5)

p < 0.01

GMED

3.7 (3.5-4.0)

4.4 (4.2–4.6)

p < 0.01

SAT§ Volume [cm3]

5071 (3454–6642)

2158 (1858–2791)

p < 0.01

SAT Normalized Volume [cm3/kg]

53.2 (42.7–62.7)

29.3 (24.9–34.4)

p < 0.01

  1. * Gluteus Maximus; † Gluteus Medius; § Subcutaneous Adipose Tissue