4 ms·

I've always used a mouse with my fingertips, and my outer hand bone is resting on the mouse mat. Rarely am I pushing the mouse around with my entire hand or ar

• chiefalchemist 6y ago
  It's not your "entire arm" per se. It's that - per the PT - the shoulder and upper back aren't designed for repetitive micro-movements. That is, unless your elbow is anchored your shoulder is likely doing more work than it should.