I am currently working through the intro, I spent 6 weeks doing segment 1 and I can't really say that I've nailed it all mainly due to my rather tight hamstrings. I've moved onto segment 2 which I'll no doubt stick on for another couple of months.
So to loosen the hamstrings, I do the 'hamstring restore' section twice each day, I'm definitely seeing progress but it's awfully slow and I'm wondering, should I be observing the rest days or should I space the hamstring restore exercises and perhaps do one in the morning and one in the evening. Any suggestions are very welcome.
As an aside, I'm enjoying the pace of the introduction so far.