Research Article

Regional Elastic Properties of the Achilles Tendon Is Heterogeneously Influenced by Individual Muscle of the Gastrocnemius

Table 1

Intraoperator reliability of mean elastic modulus values of MG, LG, and AT.

Measurement positionTest 1 (kPa)Test 2 (kPa)MDC (kPa)95% CICV (%)SEM (kPa)ICC

MG (R)3.240.61-0.9416.391.170.84
LG (R)1.980.79-0.9717.330.720.92
AT0cm (R)43.750.42-0.917.7815.780.77
AT3cm (R)42.040.54-0.938.8815.170.82
MG (N)7.660.78-0.9618.612.760.91
LG (N)4.160.88-0.9817.911.500.95
AT0cm (N)43.110.76-0.969.1215.550.91
AT3cm (N)39.860.71-0.957.9014.380.88

R: relaxing position; N: neutral position; LG: lateral gastrocnemius; MG: medial gastrocnemius; AT: Achilles tendon; MDC: minimal detectable change; 95% CI: 95% confidence interval; CV: coefficient of variation; SEM: standard error in measurement; ICC: intraclass correlation coefficient.