The following list serves as a general guideline of focus points in the various ailment specific (supine) stretches from the 48 plus sequence:
42. viparita karani/ legs-up-the-wall - lower back
43. hala/ plough - base of throat
44. bala gopala/ happy baby - upper back
45. matsya/ fish - eyebrow center
46. sethubandha/ bridge - base of throat
47. supta parivritta/ supine twist - upper abdomen
48. pinda/ spinal rocking - lower back