Table 2.

Body and muscle weights, and circulating glucose, lactate and testosterone in control and 7 day testosterone-treated rats (mean ±s.e.m.)

Parameter	Control (n = 7)	Testosterone-treated (n = 6)
Body weight (g)
Pre-treatment	225.5 ± 7.3	227.4 ± 5.7
Post-treatment	282.9 ± 4.3**	276.0 ± 3.7**
Muscle weight (mg)
Soleus	166 ± 3	167 ± 7
Plantaris	497 ± 12	540 ± 11*
Gastrocnemius	2399 ± 44	2643 ± 58*
Tibialis anterior	941 ± 14	998 ± 10*
Extensor digitorum longus	240 ± 7	251 ± 5
Testosterone (nm)	0.36 ± 0.04	15.8 ± 5.4
Glucose (mm)	8.5 ± 0.4	8.0 ± 0.4
Lactate (mm)	2.0 ± 0.4	1.9 ± 0.2

^**P < 0.05, change in body weight within each group

^*P < 0.05, testosterone versus control.