metabolic conditioning & planking

https://www.eatthis.com/news-30-second-workout-trick/

I saw this work out on the internet. Seems to me it would be a safe one for pacemaker users. And does anyone know if planking is safe.

2 Comments

Plank position is safe

by crustyg - 2021-03-05 03:26:10

But be prepared for twinges from the PM pocket for months after implantation.

Stretching muscle under load - eccentric contraction - is what happens to the quads when running down hill.  Tim Noakes bible shows evidence that, over time, it damages the muscle, with accumulation of fibrous tissue.

IIRC, isometric exercises have a reputation for bulking up muscles - improves muscle definition - without delivering as much strength improvement as isotonic exercise.  Planking is very much isometric - no muscle shortening, just sustained load.

It all depends on what your goal is.

planking

by Tracey_E - 2021-03-05 10:36:09

Planking is safe. All exercise is safe, do what you like and what feels good. 

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