Answer
Elastic filaments of myofibers are about 1 nm in diameter. They contain molecules of titin, a very large protein ( 3000kD) which confers the property of elastic recoil on myofibers. The elastic filaments run through the middle of thick filaments . They anchor each thick filament to the Z disc on one end and to the M-line at the other end of the sarcomere.
Work Step by Step
Functions of elastic filaments.
They stabilize thick filaments
They center thick filaments between thin filaments
They prevent overstretching
They enable muscles to recoil after stretching
