1
00:00:00,000 --> 00:00:01,000
OK.

2
00:00:01,000 --> 00:00:15,890
Muscles are so easy.

3
00:00:15,890 --> 00:00:17,010
Contract.

4
00:00:17,010 --> 00:00:26,780
Muscles help our bones,

5
00:00:26,780 --> 00:00:39,679
calf, biceps, gluteus, pectoral, abdominal.