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Table 1 Subject demographics

From: Effects and predictors of shoulder muscle massage for patients with posterior shoulder tightness

variable Massage (n = 29) Control (n = 23)
Gender (males:females) 8:21 6:17
Age (years) 54.8 ± 8.5 54.6 ± 7.9
Height (cm) 165.4 ± 5.8 163.8 ± 9.8
Weight (Kg) 65.3 ± 5.9 66.3 ± 5.7
Duration of symptoms (months) 14.8 ± 8.4 15.7 ± 7.8
Prea- Glenohumeral Internal rotation (°) 31.9 ± 11.2 28.7 ± 5.8
Posta- Glenohumeral Internal rotation (°) 54.9 ± 12.1* 34.9 ± 10.8
Prea- slope (Kg/mm) for PDb 0.63 ± 0.12 0.59 ± 0.18
Posta- slope (Kg/mm) for PDb 0.43 ± 0.10* 0.51 ± 0.12
Prea- slope (Kg/mm) for IFc 0.64 ± 0.05 0.52 ± 0.13
Posta- slope (Kg/mm) for IFc 0.44 ± 0.06* 0.56 ± 0.11
Prea- slope (Kg/mm) for TMd 0.47 ± 0.15 0.46 ± 0.12
Posta- slope (Kg/mm) for TMd 0.40 ± 0.13 0.42 ± 0.12
Prea-Flex-SFe 33.3 ± 2.8 32.6 ± 3.8
Posta-Flex-SFe 40.5 ± 5.2* 31.7 ± 3.8
  1. Prea and Posta-massage PD b posterior deltoid; IF c infraspinatus; TM d teres minor
  2. FLEX-SF e Flexilevel Scale of Shoulder Function.
  3. *: There were significant differences between 2 groups (P < 0.005).
  4. mean ± standard deviation