Table 4 Results of multiple linear regression between individual muscle T1-value and clinical motor function tests

Gluteus maximus

−.107

.348

−.032

.841

−.086

.616

−.343

.048^*

−.051

.682

Gluteus medius

.033

.815

.248

.152

.069

.685

−.222

.243

−.109

.497

Gluteus minimus

.157

.248

–

–

–

–

–

–

–

–

Iliopsoas

.090

.465

–

–

–

–

–

–

–

–

Tensor fascia

.331

.029^*

−.276

.096

−.167

.220

−.174

.201

−.175

.166

Obturator internus

−.126

.370

–

–

–

–

–

–

–

–

Pectineus

−.257

.181

−.032

.880

−.228

.158

–

–

–

–

Rectus femoris

−.183

.277

.185

.384

.232

.229

Vastus lateralis

.131

.497

−.142

.567

−.337

.167

−.618

.018^*

−.228

.212

Vastus intermedius

.202

.379

−.323

.245

.044

.867

.156

.574

−.476

.001^**

Vastus medialis

.169

.482

−.142

.033^*

−.395

.111

−.137

.591

−.237

.317

Gracilis

−.015

.857

–

–

–

–

–

–

–

–

Sartorius

−.064

.599

–

–

–

–

–

–

–

–

Adductor longus

.188

.283

–

–

–

–

–

–

–

–

Adductor brevis

.195

.298

−.209

.196

–

–

–

–

–

–

Adductor magnus

.324

.013^*

−.051

.778

−.182

.349

−.382

.061

−.099

.447

Semitendinosus

−.088

.587

–

–

–

–

–

–

–

–

Semimembranosus

.109

.539

.144

.408

–

–

–

–

–

–

Biceps femoris long head

−.094

.593

−.119

.582

.115

.591

.245

.270

−.112

.473