Bob Schwartz, nicknamed “The Plankster,” held a 50-minute plank in March, which is thought to be a record for his age group. Bob Schwartz, nicknamed “The Plankster,” held a 50-minute plank in March, which is thought to be a record for his age group.
Bob Schwartz, nicknamed “The Plankster,” held a 50-minute plank in March, which is thought to be a record for his age group. Bob Schwartz, nicknamed “The Plankster,” held a 50-minute plank in March, which is thought to be a record for his age group.
