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 ...

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.

After several weeks of annual maintenance, the Barefoot Swing Bridge is now open! City leaders replaced the pedestrian sidewalk. ABC 15 talked to some walkers on the bridge Monday morning who were ...