The model shown is that of H. E. Huxley, modified to indicate bending (curved arrow) near the middle of the elongated cross bridge (subfragment 1, or S1) which provides the working stroke.

A diverse array of biophysical and biochemical approaches have lent strong support for the swinging cross-bridge model of muscle contraction proposed in 1969. Although muscle researchers will be ...

In the coming months, the Dan Patch Line’s swing bridge over the Minnesota River in Savage will once again be living up to its name. Mark Wegner, president of Twin Cities & Western ...