Shoulder extension with resistance

It is an exercise for posterior deltoids or shoulder muscles.
Step 1 – Extend an arm forward and take a grip on the resistance band tied to
something in front.
Step 2 – Pull your arms back by keeping straight by contracting the posterior deltoid
muscles.

• Repeat 10-12 times
• 3 sets in a row
• Once-daily
• 5 days a week