RT Journal Article SR Electronic T1 The double deep gluteal muscles JF Saudi Medical Journal JO Saudi Med J FD Prince Sultan Military Medical City SP 385 OP 386 VO 27 IS 3 A1 Tanyeli, Ercan A1 Pestemalci, Turan A1 Uzel, Mehmet A1 Yildirim, Mehmet YR 2006 UL http://smj.org.sa/content/27/3/385.abstract AB During routine dissections on a 65-year-old male cadaver, we encountered double piriformis, double gemelli superior and inferior, double quadratus femoris muscles in the left gluteal region. The sciatic nerve passed between the lower piriformis and the upper superior gemelli muscles infrapiriform foramen as usual. No other variation was found in the region. This rare variation may be of importance in the radiology and surgery of this region.