How our Arm Extension Apparatus can help:
developing the strength of muscles in the shoulder region and the flexibility and agility of shoulder joints, and strengthening the coordination between hand and brain; good for healing frozen shoulder, functional hindrances of shoulder joints, old injuries, etc..
How to use our Arm Extension Apparatus:
Stand directly underneath the apparatus, grip the handles fimly with both of your hands, then pull up and down vertically and alternatively. Both of your arms have strength against each other simutaneously.
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