Table 3.

Fibres with TAs in male mice (per 1000 fibres, mean ± SE)

	Triceps brachii		Quadricpes femoris		Tibialis anterior
Age group	wt	tg	wt	tg	wt	tg
3 months	9 ± 8	1 ± 1	7 ± 6	2 ± 2	11 ± 15	0
6 months	90 ± 17	38 ± 26	50 ± 20	48 ± 18	30 ± 7	40 ± 17
9 months	79 ± 28	77 ± 14	100 ± 22	116 ± 22	86 ± 25	82 ± 33
12 months	148 ± 3	118 ± 30	181 ± 65	103 ± 23	63 ± 27	66 ± 32
18 months	225 ± 121	105 ± 41	139 ± 63	209 ± 14	80 ± 51	181 ± 65