Get into a plank position on your elbows. Lift your right arm straight. Do not lock your elbow. Then lift your left arm. Do not lock your elbow. Both arms will be straight. Lower your right arm to your elbow. Next lower your left arm to your elbow.
Repeat for four sets of ten repetitions. If you cannot do that, start with one set and work your way to ten sets.
You can buy my book below:
https://www.lulu.com/shop/search.ep?keyWords=musings+patsis&type=
My other short story and poetry book Life, Work and Play, fitness book Pocket Guide to Fitness (two versions and anti-bullying children's book The Boy in a Wheelchair are available on Authorhouse.com or Amazon:
https://www.authorhouse.com/en/search?query=louiza+patsis
https://www.amazon.com/s?k=louiza+patsis&ref=nb_sb_noss_2
Repeat for four sets of ten repetitions. If you cannot do that, start with one set and work your way to ten sets.
You can buy my book below:
https://www.lulu.com/shop/search.ep?keyWords=musings+patsis&type=
My other short story and poetry book Life, Work and Play, fitness book Pocket Guide to Fitness (two versions and anti-bullying children's book The Boy in a Wheelchair are available on Authorhouse.com or Amazon:
https://www.authorhouse.com/en/search?query=louiza+patsis
https://www.amazon.com/s?k=louiza+patsis&ref=nb_sb_noss_2