SLR (right)

SLR (left)

iliopsoas muscle strength (right)

iliopsoas muscle strength (left)

Before treatment

67˚

55˚

9.9 kg

13.7 kg

After treatment

90˚

90˚

16.1 kg

15.3 kg

Improvement rate

34.3%

63.6%

62.6%

11.7%