Chris and Xand return with a bonus episode, continuing their discussion with physiotherapist James Moore about which exercises to do for our core, how often to do them, and why core strength is crucial for the rest of our bodies.

If you’d like to share your thoughts on this or any other topic covered on the podcast, you email us at whatsupdocs@bbc.co.uk or Whatsapp on 08000 665 123.

Presenters: Drs Chris and Xand van Tulleken
Guest: James Moore
Producer: Jo Rowntree
Executive Producer: Rami Tzabar
Editor: Kirsten Lass
Assistant Producer: Maia Miller-Lewis
Researcher: Grace Revill
Tech Lead: Reuben Huxtable
Social Media: Leon Gower
Digital Lead: Richard Berry
Composer: Phoebe McFarlane
Sound Design: Ruth Rainey

At the BBC:
Assistant Commissioner: Greg Smith
Commissioning Editor: Rhian Roberts

A Loftus Media production for BBC Radio 4