Isometric vs bl press

 Resuce bl press by 8-12 pts for Systolic by…

https://m.youtube.com/watch?v=bAQTHHS2YVk&t=213s

Wall sit-

Hold position 2 minutes 

Rest 2 minutes 

Repeat that 4 times

3 times a week

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Also planks. Use as many muscles as poss.