With a running clock
5 mins bike
3Xs:
8 squats (5 count static hold at bottom)
8 GHD (5 count hold at horizontal)
5 mins bike
3Xs:
8 split squat each leg (5 count hold at bottom)
8 back extensions (5 count hold at horizontal)
5 mins bike
3Xs:
8 supine single leg hip raise (5 count hold at top)
8 V ups (5 count hold in flexion)
Continue bike until 45 mins