Final answer:
Craniosacral Therapy is used to separate the restricted or impacted sutures and treat HA or anxiety.
Step-by-step explanation:
The technique used to separate the restricted or impacted sutures and treat HA or anxiety is Craniosacral Therapy. Craniosacral Therapy is a gentle, hands-on treatment that involves applying light pressure to the skull and spine to promote the movement of cerebrospinal fluid and release tension.