Before

After 2 weeks

P value

Flexion

86.5 ± 18.5

91.7 ± 8.5

=0.11

Extension

−2.5 ± 7.9

2.8 ± 6.2

<0.01

Abduction

13.3 ± 0.9

15.9 ± 4.8

<0.01

Adduction

5.8 ± 4.6

6.6 ± 2.9

=0.08

External rotation

20.3 ± 10.2

18.8 ± 9.1

=0.28

Internal rotation

17.2 ± 15.9

26.4 ± 11.3

<0.01