To start each day, you switch on your core muscles to sit up in bed. Surely, then, you'd think exercises designed to strengthen this area should come as second nature? Unfortunately, this isn't always the case.
To help you get more out of your next core workout, I spoke to high-intensity resistance training (HIRT) expert Ingrid Clay, from Chris Hemsworth's workout app Centr, who identified some common training mistakes and described how to set about solving them.
