The only connection to the cryptic clue that I can see is Ipstones (hips and tones) but I don't really get it
Ipstones it is. Clue, "Back-speak Cockney fitness trainer focuses on the acetabular region": acetabular = the "hips" area of the body. The h-dropping Cockney trainer chap, tones 'ips. "Back-speak" = reversing normal order of the words = Ipstones.
DaleCooper, your floor.
