How to Release Ultra Deep-Layered Muscle Knots [Japanese]

By: Sakakibara, Mutsuya

The author teaches inner muscle training and body maintenance to relieve super-deep muscle tension causing shoulder stiffness, back pain, kyphosis, headaches, insomnia, and neck pain.

• Format: Paperback
• Language: Japanese
• ISBN: 4198661391
• ISBN13: 9784198661397
• Release Date: January 2026
• Publisher: Tokuma Shoten