1
2
stretch
3
importance 4
encourage 5
reasons
6
7
extend
8
muscle flexibility
9
prepares body
10
warm injuries 11
Stretching
12
helps
13
Flexibility
14
risk
greater
15
tight hamstrings
16
inability
17
18
Healthy muscles
19
benefits
20
21
necessary 22
increases
23
flexibility
24
25
higher risk
26
reducing
27
flexible
28
29
warm up 30
activated
31
provides
32
33
tightness
34
flexibility
35
36
37
38
39
40
41
important
42
just do it long run 43