A contact injury, such as a direct blow to the medial side (inside of knee), or a noncontact injury, such as a hyperextension stress. It is also commonly associated with an ACL tear which occurs with a high level of force and sports injury.
These types of legal fees are deductible as a business-related expense. You can deduct legal expenses incurred in your attempts to produce or collect taxable income as well as legal fees you pay in connection with the determination, collection, or refund of any tax.
An excellent example of this question in action is legal fees. A legal fee is not deductible by itself, but only if it fits another deductible purpose. In very general terms, three types of legal fees are deductible: those related to your job, to collection of taxable income or for tax advice. Personal legal expenses often do not meet this requirement. Legal work related to employment is generally deductible, since it is about the production of income.