Number of

Average injury fraction, RSI, (%)

subjects ( n c )

σ = 0

σ = 5 m

σ = 10 m

σ = 15 m

σ = 20 m

σ = 25 m

n c = 10

7.74

6.72

4.89

3.41

2.44

1.81

n c = 100

7.74

6.72

4.90

3.42

2.44

1.80