This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Injuries, Subject name: Forensic Medicine
Postmortem rigidity disappears first in: 
Select and explain. 
A. Upper limbs, B. Neck, C. Lower limbs, D. Eyelids
D: Eyelids
Answer: D: Eyelids 
Explanation: Ans. (d) EyelidsRef: The Essentials of FSM by K.S. Narayan Reddy 31st ed. /140-43, 147; Reddy's 2Th/ 142Order of appearance and disappearance (in sequence)* Heart (left chamber in 1 hour)* Eyelids (3-4 hours)* Face muscles* Neck and trunk* Upper extremities* Legs* Small muscle of finger and toes (last to be affected, 11-12 hours)Also Know* Postmortem rigidity lasts for 18-36 hours in summer and 24-48 hours in winter.* Postmortem rigidity disappear in the same order as that of the appearance