This is a journey through the base chakras and each one is set in 3 segments - warm up, kriyas (main physical practice) and meditation/mantra. Kundalini Yoga is a good way to de-stress and leaves you feeling energised but calm at the same time. In a world of lycra clad instructors telling you to "go for the burn" and exotic locations sponsored by major conglomerates, this is a refreshing change. Indeed, these programmes are blissfully humble and lack vanity, in that Maya tells us to keep our eyes closed for the most part (to experience your inner world) and is set in a white room. Maya prompts you through the positioning intermittently. The kryias are either repetitive motions or fixed postures (and some are deceptively challenging). Breathing is also highlighted (including detoxifying breaths like the Breath of Fire) and is a good introduction to mantras and chants if you are new to these. One to try and enjoy.
Critics have, however, complained that a certain level of flexibility is required to do the kriyas and some of the fixed positions (e.g. the meditation/mantra section of the Root Chakra - the first one of the three, requires you to sit with legs spread apart throughout, which may be difficult for some). Rather than jump on the Health and Safety bandwagon, however, use common sense. Take breaks intermittently and only go as far as you can. If you cannot touch your toes in a seated position, then touch your ankles, shins or knees instead. Remember, yoga is supposed to be non-competitive. The problems sometimes faced by budding yogis is that it is difficult to get out of the Westernised competitive train of thought often applied to other types of exercise. Also remember that teachers who demonstrate, such as Maya Fiennes, have been doing yoga for many years, so DON'T BEAT YOURSELF UP and certainly avoid comparison, or you will just end up bitter. The range in yoga is endless, so you never really "get there".