38 Benefits of Full Body Massage You Still Don’t Know 4. Increases flexibility. Full body Massage can increase flexibility as well as range of motion in variety of ways. It can loose and relax tight muscle by breaking up adhesion that can form on the tendons and ligaments around joints. Full body massage also soften the connective tissue around muscle, bones tendon, and ligament in our body. A study that conducted by researchers on some group of dancer show that that regular body massage can improved range of motion, balance, and also the body posture.