A) Visualization - is a method of relaxing the mind by picturing a relaxing
scene. This may involve imagining spending time in a safe place,
picturing a relaxing location such as a beach or a meadow, or imagining
releasing stress.
B) Muscle relaxation - can involve passive progressive muscle relaxation
(consciously allowing each muscle group to relax), progressive muscle
relaxation (progressively tightening and releasing muscles), or using
other methods such as physical movement, massage, or stretching to
release muscle tension.
C) Sensory relaxation - involves using the senses (vision, hearing, touch,
smell, taste) to relax. This may include using your imagination to
picture various sensations, or experiencing different sensations to
induce relaxation. It is possible to experience sensations by listening
to music, sampling different foods, using aromatherapy, applying heat
and cold, etc.
D) Creative expression relaxation - is the use of creativity to relax. This
may involve art, dance, music, writing, putting something together,
crafts, or a variety of other creative pursuits.
Source: http://www.nerdtests.com/mq/uttake.php?id=43458
