Incorporate dynamic or unstable core variations (such as using a stability ball or limb movement) to increase difficulty and stimulate core muscle recruitment.

noli's read

The idea of making the traditional plank more complex by adding movement or instability is well-supported by sports science research. An observational laboratory comparative study published by Snarr and Esco (2014) in the Journal of Strength and Conditioning Research shows that the use of unstable tools (such as a stability ball or straps) significantly increases muscle activation (measured via EMG) of the rectus abdominis and obliques compared to a standard floor plank. Furthermore, observational research conducted by Schoenfeld et al. (2014) confirms that modifying lever arms or adding dynamic movement drastically intensifies abdominal muscle recruitment. The creator presents these exercises as an excellent way to increase the physical challenge, which is entirely accurate and consistent with this scientific data. The claim that these variations make the session 'more fun' remains subjective and is not based on any quantifiable evidence, although the playful aspect is an excellent tool for maintaining motivation. These advanced movements simply require good technique to maintain body alignment without compensation.

the sources

1. 1Wang XQ, Zheng JJ, Yu ZW, et al. 2012