1. Flexor digitorum profundus lies deep to the superficialis, but it attaches more distally. 2. For this reason profundus is also called the " perforating muscle ". 3. Nerve supply to the palmaris profundus varies. 4. The wide melodic leaps in the Pater Profundus role present particular challenges to the bass soloist. 5. The nerve continues down the forearm between the flexor digitorum profundus and the flexor digitorum superficialis. 6. The tension generated by flexor digitorum profundus at the more distal joints is determined by wrist position. 7. It is implied that " Piscathropus profundus " would eventually recolonize Earth's surface. 8. These tendons, along with those of flexor digitorum profundus , are enclosed by a common flexor sheath. 9. Its upper three-fourths give origin to the Flexor digitorum profundus ; its lower fourth is subcutaneous. 10. Kristinn Sigmundsson, a versatile bass, brings gravity to the role of Mephistopheles and warmth to Pater Profundus .
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