This test is used to measure muscular endurance in the upper body.
It is a maximal test – participants continue until they are not physically able to.
Equipment and people
• Flat non-slip surface or exercise mat • Stopwatch or timer
Standard test method • The aim of the test is to hold the plank position for as long as possible.
• Participants warm up and then take up the plank position: * forearms lie fl at on the ground * legs are raised off the ground * only the toes and forearms are in contact with the ground * there should be a straight line running across the legs and back.
• Once in the correct position, the stopwatch is started. • The participant is timed for as long as they hold the plank.
Interpreting results
Normative data on p.208 onwards. Units: seconds
Reliability
Participants need to give their maximum effort. Plank technique must be correct.
Practicality
Cheap and easy to run – not much equipment or space Can run with large groups
Validity
Valid for abdominal muscular endurance. Core strength is important in many sports.