If you're thinking about the physical action:
* Punches: This is a direct opposite in terms of touch.
* Hits: Another word for forceful impact, opposite of the gentle pressure of a massage.
* Pinches: This is a painful opposite to a massage.
If you're thinking about the effect of a massage:
* Tightens: A massage aims to loosen muscles, so tightening would be the opposite.
* Stiffens: Similar to "tightens", this refers to a lack of flexibility.
* Aggravates: A massage is meant to soothe, while aggravating means to worsen a condition.
If you're thinking about the professional service:
* Neglects: This implies a lack of care and attention, opposite to the focus of a massage therapist.
* Ignores: This highlights the lack of attention given to the body, compared to a massage.
Ultimately, the best antonym depends on the specific situation.