Background Recently, a novel reliable and valid protocol has been described for the measurement of eccentric strength of the external rotators of the shoulder, using a Hand Held Dynamometer (HHD).

16 The extreme position of external rotation and abduction of the shoulder during maximal external rotation results in contact between the supraspinatus and the posterosuperior aspect of the glenoid ...

QUICK, STAND UP and reach your arm overhead. Does your back ... fist points toward the ceiling. This is “external” rotation, and it’s key to shoulder health. So too is “internal ...

If you're seeking stronger arms and shoulders, the overhead press should be in your gym rotation. This move is a great way to strengthen your shoulder muscles in a way that also challenges your ...