Table 2.

Paired t-test significant values in the three heads of TB obtained from comparison of periods (initial and other periods)

Between period 1 & …	Significant value (p)
	Lateral head	Long head	Medial head
2	0.14	0.52	0.77
3	0.58	0.96	0.90
4	0.61	0.13	0.32
5	0.87	0.97	0.68
6	0.99	0.28	0.21
7	0.85	0.96	0.11
8	0.95	0.30	0.23
9	0.85	0.91	0.59
10	0.90	0.77	0.42
11	0.97	0.57	0.29
12	0.57	0.39	0.74
13	0.16	0.08	0.35
14	0.09	0.04	0.71
15	0.10	0.07	0.25
16	0.03	0.05	0.19
17	0.03	0.02	0.02
18	0.02	0.01	0.01