Asynchronous Muscles
Asynchronous muscles are muscles in which there is no one-to-one relationship between electrical stimulation and mechanical contraction. These muscles are found in 75% of 
Thorax (arthropod anatomy)
The thorax is the midsection (tagma) of the hexapod body (insects and entognathans). It holds the head, legs, wings and abdomen. I
Halteres are a pair of small club-shaped organs on the body of two orders of flying insects that provide information about body rotations during flight
Halteres (singular halter or haltere) (from Ancient Greek: ἁλτῆρες, hand-held weights to give an impetus in leaping) are a pair of small club