Final answer:
For Self-myofascial release techniques, holding the stretch on tender spots for 30 to 60 seconds is recommended for effective release and relaxation of muscles and fascia.
Step-by-step explanation:
When using Self-myofascial release techniques, the recommended duration to hold the stretch on the tender spots is generally 30 seconds to 60 seconds. This allows the fascia and muscles to relax and the trigger point to release. It is very important to breathe normally and not to overdo the pressure as it could lead to more tissue irritation or damage.