Antagonistic pairs of muscles are muscle where one move the bone in one direction and the other moves it back the other way in transmission of nerve impulses to the muscles.
Demag, which manufactures and distributes telescopic and lattice boom cranes, is one of the leading mobile crane producers worldwide, with 2001 revenues of approximately $360 million.
Lattice Boom Crane (LBC and LBT): includes lattice boom crawler cranes and lattice boom truck cranes. Telescopic Boom CraneâSwing Cab (TLL): cranes having an operator's station that rotates with the crane's upperworks. Telescopic Boom CranesâFixed Cab (TSS): cranes having a fixed (non-rotating) operator's station.