Skip to main content
. 2024 Jun 26;12:e17604. doi: 10.7717/peerj.17604

Table 2. Characteristics of each study group: Procedures, results, and differences in the physical examination between each study group.

Author
(Year)
(NOS)
Rotator cuff related shoulder pain group Asymptomatic group Measures Tools Movement/structure/ test Outcomes/comparison
Cohen (1960)
(9/10)
G1
(n = 55)
M/F = 29/26
50.0 ± 4.2 years
G2
(n = 53)
M/F = 30/23
50.3 ± 3.4 years
Shoulder ROM Goniometer Active Shoulder Flexion (degrees) More subjects in G1 with reduced active shoulder flexion range than in G2 (p < 0.001)
Active Shoulder ER (degrees) More subjects in G1 with reduced shoulder ER range than in G2 (p < 0.001)
Active Shoulder IR (degrees) More subjects in G1 with reduced shoulder IR range than in G2 (p < 0.001)
Shoulder strength Isokinetic dynamometer ER (Nm) More subjects in G1 with reduced shoulder IR strength than in G2 (p < 0.001)
IR (Nm) NSD between groups (p = 0.3).
ABD (Nm) More subjects in G1 with reduced shoulder ABD strength than in G2 (p < 0.001)
Ueda et al. (2020)
(10/10)
G1
(n = 32)
M/F = 17/15
65.7 ± 6.5 years
G2
(n = 23)
M/F = 15/8
67.0 ± 6.5 years
Shoulder ROM Active Shoulder Flexion (degrees) More subjects in G1 with reduced active shoulder flexion range than in G2 (p < 0.001)
Active Shoulder ER (degrees) More subjects in G1 with reduced shoulder ER range than in G2 (p = 0.03)
Shoulder strength Isokinetic dynamometer ER (Nm/Kg) NSD between groups (p = 0.06).
IR (Nm/Kg) More subjects in G1 with reduced shoulder IR strength than in G2 (p < 0.001)
ABD (Nm/Kg) More subjects in G1 with reduced shoulder ABD strength than in G2 (p < 0.001)
Hunter et al. (2020)
(9/10)
G1
(n = 39)
M/F = 20/19
57.1 ± 11.1 years
G2
(n = 39)
M/F = 20/19
55.7 ± 10.6 years
Thoracic kyphosis X-ray Modified Cobb’s angle (degrees) More subjects in G2 with reduced modified Cobb angle than in G1 (p = 0.004)
Land, Gordon & Watt (2017)
(10/10)
G1
(n = 51)
M/F = 28/23
51.2 ± 5.71 years
G2
(n = 51)
M/F = 28/23
50.8 ± 4.6 years
Shoulder ROM Plastic goniometer Passive shoulder IR (degrees) More subjects in G1 with reduced passive shoulder IR range than in G2 (p < 0.001)
Kolber et al. (2017)
(9/10)
G1
(n = 24)
M/F = 24/0
28.5 ± 9.1 years
G2
(n = 31)
M/F = 31/0
26.4 ± 3.1 years
Shoulder ROM Goniometer Active Shoulder Flexion NSD between groups (p = 0.37)
Active Shoulder ER More subjects in G1 with reduced shoulder ER range than in G2 (p < 0.001)
Active Shoulder IR More subjects in G1 with reduced shoulder IR range than in G2 (p = 0.016)
Shoulder strength Handheld dynamometer ER (Kg) More subjects in G1 with reduced shoulder ER strength than in G2 (p < 0.001)
IR (Kg) NSD between groups (p = 0.38)
ABD (Kg) NSD between groups (p = 0.92)
Theisen et al. (2010)
(9/10)
G1
(n = 39)
M/F = 23/16
56.6 ± 38-77 years
G2
(n = 39)
M/F = 23/16
56.1 ± 38-79 years
Static Thoracic kyphosis Ultrasound topometrics Static kyphosis NSD between groups (p > 0.05)
Erol, Özçakar & Çeliker (2008)
(7/10)
G1
(n = 13)
M/F = 3/10
37.8 ± 9.4 years
G2
(n = 25)
M/F = 5/20
37.1 ± 9 years
Shoulder strength Isokinetic dynamometer ER (Nm) NSD between groups (p = 0.56)
IR (Nm) NSD between groups (p = 0.31)
McClure, Michener & Karduna (2006)
(7/10)
G1
(n = 45)
M/F = 24/21
45.2 ± 12.8 years
G2
(n = 45)
M/F = 24/21
43.6 ± 12.4 years
Shoulder ROM Goniometer Active Flexion (degrees) More subjects in G1 with reduced active shoulder flexion than in G2 (p < 0.001)
Active ER (degrees) More subjects in G1 with reduced active shoulder ER than in G2 (p < 0.001)
Active IR (degrees) More subjects in G1 with reduced active shoulder IR than in G2 (p < 0.001)
Shoulder strength Handheld dynamometer ER (Kg) More subjects in G1 with reduced shoulder ER strength than in G2 (p < 0.001)
IR (Kg) NSD between groups (p = 0.11)
ABD (Kg) More subjects in G1 with reduced shoulder ABD strength than in G2 (p < 0.001)
Thoracic Kyphosis Gravity inclinometer Thoracic spine inclination (degrees) NSD between groups (p = 0.415)

Notes.

ROM
Range of motion
ER
External rotation
IR
Internal rotation
ABD
Abduction
NSD
No statistical differences
Nm/Kg
Newton metre per kilogram
Kg
Kilograms
Nm
Newton meter