Effects of short term elastic resistance training on muscle mass and strength in untrained older adults: a randomized clinical trial

Table 2 Primary and secondary outcomes at baseline and post-training. Data are presented as the mean (± SD)

Variables	Group	Mean		Effect
Variables	Group	Baseline	Post	Δ%	Effect size between group	Time	Group × Time
ULFFM (g)	TG	4.2 (1.1)	4.4 (1.0)	4.7	0.1	0.28	0.19
ULFFM (g)	CG	4.9 (1.3)	4.9 (8.9)	0.0	0.1	0.28	0.19
LLFFM (g)	TG	12.6 (2.7)	12.5 (2.6)	0.0	0.03	0.92	0.88
LLFFM (g)	CG	13.5 (4.0)	13.5 (3.8)	0.0	0.03	0.92	0.88
Handgrip (Kgf)	TG	32.8 (9.5)	33.7 (9.1)	2.9	0.9	0.12	0.42
Handgrip (Kgf)	CG	35.1 (10.7)	35.4 (10.8)	0.8	0.9	0.12	0.42
PT 60°/s (N.m)	TG	118.5 (41.0)	121.6 (39.7)	2.6	3.0	0.29	0.56
PT 60°/s (N.m)	CG	124.8 (38.3)	125.7 (36.9)	0.7	3.0	0.29	0.56
PT 120°/s (N.m)	TG	92.7 (27.9)	96.9 (29.7)	4.5	4.1	0.01^a	0.38
PT 120°/s (N.m)	CG	100.3 (32.0)	102.3 (32.0)	2.0	4.1	0.01^a	0.38

PT peak torque; ULFFM upper limb fat-free mass; LLFFM lower limb fat-free mass
^a intra-group difference (post – pre) to TG (p = 0,01)

ISSN: 1471-2318