- May 2, 2026The gemellus superior arises from the ischial spine and blends with the obturator internus tendon to insert on the greater…
- May 2, 2026The gemellus inferior arises from the ischial tuberosity upper border (immediately above the quadratus femoris) and blends with the obturator…
- May 2, 2026The transverse perinei are paired muscles running from the ischial tuberosities to the central perineal body (perineal body), which is…
- May 2, 2026The iliacus is the flat triangular muscle that fills the iliac fossa, joining the psoas major to form the iliopsoas…
- May 2, 2026The puborectalis is the deepest component of the levator ani and the most important muscle for maintaining faecal continence through…
- May 2, 2026The levator ani is the primary muscular floor of the pelvis, a broad muscular diaphragm forming a gutter-shaped sheet from…
- May 2, 2026The coccygeus is the most posterior component of the pelvic diaphragm, overlying the sacrospinous ligament from the ischial spine to…
- May 2, 2026The external urethral sphincter provides the voluntary conscious control of urination, encircling the membranous urethra as a sleeve of striated…
- May 2, 2026The ischiocavernosus muscle covers the crus of the erectile tissue and compresses it during erection, preventing venous outflow from the…
- May 2, 2026The bulbospongiosus is a perineal muscle with sex-specific anatomy and function, forming the superficial perineal pouch alongside the ischiocavernosus. In…