Protein and Amino Acid Supplementation Does Not Alter Proteolytic Gene Expression following Immobilization

Table 4

Lower leg girth, skinfold, and body composition measurements for placebo (PLA) and protein/amino acid (PAA) groups. All data are presented as mean ± standard deviation. *Denotes a significant time effect.

Variable	PLA				PAA
Day	0	14	28	0	14	28
Girth (cm)*	36.0 ± 2.0	35.4 ± 2.0	35.1 ± 2.1	35.4 ± 1.8	35.0 ± 1.7	34.7 ± 1.8
Skinfold (mm)	13.0 ± 4.0	13.0 ± 4.0	13.0 ± 3.0	14.0 ± 4.0	14.0 ± 5.0	14.0 ± 4.0
Leg lean mass (kg)	2.43 ± 0.26	2.44 ± 0.26	2.40 ± 0.28	2.72 ± 0.90	2.44 ± 0.22	2.41 ± 0.22
Leg fat mass (kg)	0.67 ± 0.27	0.64 ± 0.25	0.73 ± 0.38	0.87 ± 0.51	0.72 ± 0.31	0.67 ± 0.33
Peak torque (ft-lbs)	22.6 ± 8.6	19.7 ± 7.7	21.0 ± 9.3	27.6 ± 11.8	26.7 ± 7.9	25.7 ± 10.3
Avg torque (ft-lbs)	19.6 ± 8.4	18.5 ± 7.6	19.2 ± 9.1	25.8 ± 11.1	25.2 ± 7.8	24.0 ± 9.5