Can a massage therapist have a client sign a Release of Liability form and it be upheld in a court of law?

Could anyone also point me to a website or article that addresses this issue?Can a massage therapist have a client sign a Release of Liability form and it be upheld in a court of law?
Which side are you expecting to be released from liability. If a client signs a release it should protect the massage therapist from liability except in the cases of gross negligence (the therapist breaks a bone on a client or something serious) and/or if the release is in violation of state law it would not be upheld (example client is sexually assaulted)Can a massage therapist have a client sign a Release of Liability form and it be upheld in a court of law?
Why not?

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