the signal should be
treated as noise and be removed. However, they are more likely to
represent the harmonics of low frequency movements and are thus part of
the description of movement. For a more elaborate reflection on this,
please see <a href="https://www.accelting.com/updates/high-frequencies-in-an-acceleration-signal/" class="external-link">this
blog post</a>.</p>
<p>All metrics, listed above, that have the letters LF or BF in their
name attempt to suppress the high frequency content of the signal. S