Trunk Lateral Flexion
Setup
1: Lie on non-testing side, with head and shoulders through the uprights, arms folded across chest
2: Align flat sensor pad to centre of middle deltoid of upper arm and lower housing until sensor pad is 1cm above deltoid
3: With upper foot forward of bottom foot, fix feet and hips to provide rotary stability and leverage
Cues
1: Test unilaterally
2: Hollow abdomen and slowly lift torso to squeeze upper shoulder directly into flat sensor pad
3: Feel fatigue/work in side trunk muscles
4: Build to maximum force over 5 seconds
