Martial arts can result in a wide array of injuries. The injury type is often dependent on the particular form of martial art being performed. Many forms of martial arts are actually non-contact and these tend to result in overuse injuries.
Helpful to 16 out of 16 people. It depends. But, you can expect a black mark against you to stay on your report for up to 7 years. Payments are typically on the report for 48 months. As long as the account is in good-standing otherwise, your late payment will drop at the 48 month mark.
1 Closed accounts with no negative payment history: remain 10 years from the date they are closed. Positive accounts remain on your credit report longer than negative accounts.  Late payments remain seven years from the original delinquency date. A single late payment is deleted at seven years. If there was a series of late payments (not paid at 30 days, or 60 days, or 90 days) and then brought current, the payments would be deleted seven years from the first one missed in the series.