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. 2013 Aug 21;9(3):236–241. doi: 10.1007/s11420-013-9361-9

Table 1.

Percent of patients with post-tenotomy hip muscle atrophy on MR and average grade of atrophy

Muscle Percentage (%) Average grade
Iliacus—AIPE 65 1.750
Iliacus—BIPE 85 1.915
Psoas—AIPE 75 2.585
Psoas—BIPE 75 2.878
Quadratus Femoris 10 1.750
Rectus Femoris 5 2.500
Tensor Fascia Lata 0 NA
Vastus Lateralis 5 1.500
Vastus Medialis 0 NA
Gluteus Maximus 25 1.300

AIPE above the iliopectineal eminence, BIPE below the iliopectineal eminence