Repressed emotions, traumatic memories reduce your energy by blocking the flow of energy . When the flow of energy is blocked, you feel as you are stuck or it may ultimately express as physical illness.
There are two types of stress: physical and non-physical. Non-physical stress comes from hidden memories that tend to cause deep internal stress. This is the kind of stress we need to release.
Many meditative techniques require one to sit still and silent. But for most of us accumulated stress in our body-mind makes that difficult.We need to let go of our tensions. Active meditation are designed to effectively release stress, tensions-energy blocks which block the natural flow of energies in our body, allowing us to become more peaceful and relaxed.