I used to run cross country in middle school so no expert, but I'm fairly certain that this type of "warm up before a 5k is putting way more unnecessary stress on your stabilizer muscles in your ankles and knees than is healthy. I remember all warm up exercises to be slow and deliberate. Am I mistaken? If so, how?
>>42162132
Reminds me of something a dumb daycare teacher would tell a 6 year old