Core Stability Testing – Plank Endurance Test
■    Lie face down on mat resting on the forearms, palms flat on the floor.
■    Push off the floor, raising up onto toes and resting on the elbows.
Make sure elbows are underneath shoulders.
■    Look for lumbar hyperextension = weak rectus abdominus muscle
■    Inability to extend hip = tight psoas muscle
■    Shoulder shrugging = weak trunk and poor shoulder stability
■    Kyphosis = tight pectorals and lack of T3/4 extension
■    Shoulder pain can be associated with this test it also indicates weak shoulder muscles
■    Passing time is about 45-60 sec depending on sex and age.
■    This exercise should be incorporated into your clients routine
