main agonists

M. trapezius, Pars descendens
M. trapezius, Pars transversa
M. deltoideus, Pars acromialis

synergists

M. trapezius Pars ascendens
M. erector spinae

Description:

Lie on your back. Your knee and hip joints form an angle of about 90 degrees. Your upper body is flat on the mat. The arms are straight on the mat. EMLA is placed between your knees. In this position EMLA is pressed together with maximal force for 5 seconds.