This has “exercise” has become one of the most oft utilized both personally and clinically as it serves as a comprehensive means to address essential hip strength. As noted in the demonstration below, weakness, instability or an overall inability to communicate with these stabilizing muscles can result in not only local hip issues, but knee pain and damage, IT-Band syndrome, knock knee while running, OVER-pronation and problematic stress to the plantar fascia, an imbalance and weakness while walking, running, jumping, squatting, dead lifting; the list goes on.
Even if you do not have any of the above issues (yet?), this is no doubt a solid add to your proactive, intelligent, full body regimen.
Have at it: