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Table 3 Comparison of reliability coefficient for the overall sample and for each of the pairs of testers.

From: Reliability of measures of impairments associated with patellofemoral pain syndrome

Variable

Reliability coefficient

 

Overall sample (n = 30)

Pair 1 (n = 20)

Pair 2 (n = 10)

Hamstrings length (degrees)

.92

.88

.98

Lateral retinacular length (tight, normal)

.71

1.0

.55

Q-angle (degrees)

.70

.56

.77

Tibial torsion (degrees)

.70

.60

.83

Quadriceps length (degrees)

.91

.90

.93

Femoral anteversion (degrees)

.45

.31

.64

Gastrocnemius length (degrees)

.92

.78

.97

Soleus length (degrees)

.86

.85

.92

Hip external rotation strength (Kg)

.79

.71

.97

Hip abduction strength (Kg)

.85

.86

.59

ITB/TFL complex length (degrees)

.97

.90

.99

Foot pronation (mm)

.93

.89

.95

Quality of movement (from 0 to 1 = good; from 2 to 3 = medium; 4 and above = poor)

.67

.62

.67