Hi devs,
Yes, there is, but not via the web browser currently - you'd need to connect locally to the NVR or use iVMS 4200.
In iVMS 4200, access the Remote Playback window, select the camera you want to review footage from and click the Event Playback button. From here you'll be able to set a date and time for iVMS to search for motion detection within your recordings and view only those. It might take a minute or two to search, depending on how long the recording period you selected is.
The NVR also allows you to search by Event Search in the Playback window (dropdown menu in the top-left) but you could also use Smart Search for the same function. Select the spanner button whilst you're playing back footage and you can choose to skip non-relevant events (non-motion detection).