Research Article

The Therapeutic Effects of Extracorporeal Shock Wave Therapy (ESWT) on the Rotator Cuff Lesions with Shoulder Stiffness: A Prospective Randomized Study

Table 3

The range of motion (ROM) and sum of range of motion (SROM) for the subjects receiving ESWT and sham interventions.
(a) Baseline profiles

ESWT groupSham group value

No. of patients1918
Forward flexion (°)90.0 (85.0, 116.0)97.5 (90.0, 105.0)0.940
Abduction (°)75.0 (67.5, 82.5)75.0 (70.0, 75.0)0.196
External rotation (°)20.0 (15.0, 30.0)15.0 (15.0, 27.0)0.787
Internal rotation (°)15.0 (5.0, 15.0)15.0 (2.5, 15.0)0.489
SROM (°)205.0 (185.0, 247.5)205.0 (185.0, 227.5)0.458

(b) One week after intervention

ESWT groupSham group value

No. of patients1918
Forward flexion (°)110.0 (97.5, 120.0)110.0 (100.0, 120.0)0.814
Abduction (°)85.0 (75.0, 100.0)80.0 (71.25, 90.0)0.153
External rotation (°)25.0 (15.0, 30.0)30.0 (15.0, 43.8)1.000
Internal rotation (°)15.0 (3.8, 20.0)15.0 (10.0, 15.0)0.703
SROM (°)240.0 (203.8, 262.5)235.0 (220.0, 250.0)0.584

(c) Four weeks after intervention

ESWT groupSham group value

No. of patients1917
Forward flexion (°)120.0 (100.0, 135.0)120.0 (105.0, 135.0)0.894
Abduction (°)100.0 (90.0, 110.0)90.0 (75.0, 105.0)0.124
External rotation (°)30.0 (20.0, 50.0)40.0 (30.0, 45.0)0.936
Internal rotation (°)20.0 (7.5, 30.0)15.0 (10.0, 30.0)0.825
SROM (°)280.0 (232.5, 307.5)260.0 (240.0, 290.0)0.483

(d) Three months after intervention

ESWT groupSham group value

No. of patients1815
Forward flexion (°)142.5 (130.0, 157.5)130.0 (115.0, 140.0)0.585
Abduction (°)117.0 (97.5, 127.5)105.0 (90.0, 110.0)0.393
External rotation (°)47.5 (32.5, 68.8)45.0 (30.0, 55.0)0.356
Internal rotation (°)42.5 (22.5, 60.0)30.0 (17.5, 40.0)0.039
SROM (°)347.5 (278.8, 390.0)305.0 (260.0, 340.0)0.268

(e) Six months after intervention

ESWT groupSham group value

No. of patients1615
Forward flexion (°)160.0 (145.0, 167.5)145.0 (135.0, 167.5)0.397
Abduction (°)135.0 (120.0, 157.5)120.0 (110.0, 162.5)0.486
External rotation (°)60.0 (60.0, 70.0)50.0 (40.0, 60.0)0.012
Internal rotation (°)60.0 (50.0, 72.5)45.0 (30.0, 47.5)<0.001
SROM (°)430.0 (382.5, 462.5)365.0 (330.0, 417.5)0.023

(f) 12 months after intervention

ESWT groupSham group value

No. of patients1615
Forward flexion (°)170.0 (165.0, 175.0)162.5 (150.0, 175.0)0.048
Abduction (°)165.0 (160.0, 170.0)150.0 (123.8, 170.0)0.009
External rotation (°)80.0 (68.8, 81.3)70.0 (60.0, 75.0)0.042
Internal rotation (°)70.0 (60.0, 76.3)60.0 (51.3, 70.0)0.031
SROM (°)485.0 (457.5, 502.5)445.0 (375.0, 470.0)0.008

ESWT: extracorporeal shockwave therapy; ROM: range of motion; SROM: sum of range of motion.