Resistance Exercise with Older Fallers: Its Impact on Intermuscular Adipose Tissue

Table 3

Muscle composition outcomes for participants with high and low muscle fat fractions.

	High IMAT (𝑛=35)				Low IMAT (𝑛=42)
	Pretraining	Posttraining	Nine-month follow-up	Within-group change	Pretraining	Posttraining	Nine-month follow-up	Within-group change
IMAT (cm^2)	37.75 (8.8)	35.56 (8.8)	36.20 (8.6)	𝑃=0.014	25.01 (6.7)	26.53 (7.0)	26.38 (6.9)	𝑃=0.005
Lean (cm^2)	181.6 (36.6)	183.2 (35.6)	178.6 (32.4)	𝑃=0.04	192.1 (46.1)	193.5 (46.1)	190.4 (44.4)	𝑃=0.18
% IMAT	17.24 (2.2)	16.27 (2.5)	16.88 (2.6)	𝑃=0.002	11.54 (1.6)	12.15 (2.4)	12.26 (2.2)	𝑃=0.012
BMI (kg/m^2)	30.02 (5.3)	29.87 (5.1)	29.46 (5.2)	𝑃=0.03	26.42 (5.4)	26.42 (4.9)	26.24 (4.9)	𝑃=0.73

Mean (±SD); high IMAT >14.5% IMAT, low IMAT <14.5% IMAT; IMAT: intermuscular adipose tissue cross-sectional area; lean: lean tissue cross-sectional area; %IMAT: fraction IMAT per total lean and IMAT area of the mid-thigh; BMI: Body Mass Index.