I’ve written previously about running cadence and the use of digital metronomes in helping to coach subtle increases in stride frequency at a given speed, and thus improve stride length. This primarily helps to stop a runner from over-striding, as well as gently improving limb stiffness.
Working on cadence where appropriate provides a simple cue for a runner to practice as ‘homework’ in between technique coaching sessions!
For more information on the research surrounding running cadence read this:
Also, be sure to read this short piece on heel striking, and why it’s perhaps not all bad!: