Unfortunately, the results of a 2015 report on the use of digital efforts in the supply chain, created by SupplyChainDigest (SCDigest), indicate many supply chain partners are somewhat out of touch with the best way of leveraging data, analytics, KPIs, and the digital supply chain.
Average Holding Time For The Plank Exercise. 30 Seconds is Below Average. 1 to 2 Minutes is Average. 2 to 3 Minutes is Good. Above 3 Minutes is Excellent. 5 Minutes Plus is Great.
So if do short, moderate workouts, you could do the plank daily. But if you do 30-45 minute intense workouts including multiple planks and other exercises, cut back to 2-3 times per week.