Final answer:
Avoid vigorous massage if you have serious medical conditions, have recently had surgery, are on blood-thinning medication, or have skin conditions or injuries. Always consult a healthcare professional before having a vigorous massage to ensure it is safe.
Step-by-step explanation:
Vigorous massage should be avoided under several conditions. Firstly, when a person has a serious medical condition - for example, conditions such as deep vein thrombosis, cancer or heart disease. It's essential to consult with a healthcare professional prior to getting a massage if you have any serious health concerns.
Vigorous massage should also be avoided if one has just recently had surgery, or if a person is on medication that thins the blood. Additionally, if a person has skin conditions or injuries such as burns, rashes or wounds, a massage, especially a vigorous one, should be avoided as it can otherwise lead to further complications.
Ultimately, a vigorous massage should only be undertaken when it is confirmed safe to do so by a healthcare professional, to prevent any potential harm or exacerbation of existing conditions.
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