1 俯卧 having the front or ventral surface downward ：
prone（push-up俯卧撑）
prostrate
2 仰卧lying on the back or with the face upward：
resupine
supine
3 一般卧（平卧or侧卧）：
recumbent
From MW:
RECUMBENT mean lying down. PRONE implies a position with the front of the body turned toward the supporting surface *push-ups require a prone position*. SUPINE implies lying on one's back and suggests inertness or abjectness *lying supine on the couch*. PROSTRATE implies lying full-length as in submission, defeat, or physical collapse *a runner fell prostrate at the finish line*. RECUMBENT implies the posture of one sleeping or resting *a patient comfortably recumbent in a hospital bed*