Hello and thank you for your question. First, your question regarding a mini stroke. Based on the symptoms that you have presented it is unlikely that you suffered from a mini stroke or what is commonly called a TIA. I suspect that you may have degenerative disc disease of your neck as most individuals who perform work that involves physical labor. Patients who have disc disease of the cervical spine also complain of balance issues. This happens because the neck carries some nerve fibers that are responsible for balance. The only way to prove that you have disc disease is with a MRI of the neck. In terms of treatment I suggest that you do not do deep tissue massage. You can consider perform PT/OT. A prescription for this can be provided by your primary care physician or a neurologist. You can also consider getting a EMG which can also determine if you have a pinched nerve.
please get back to me if you have any further questions. Thank you.