NordBord Test: ISO 30°

The ISO 30° test is  the most common isometric NordBord test.  This long-length isometric strength test, is often used to roughly mimic the knee joint angle during the "strike" position in running gait. 

Contraction mode: Isometric
Rep Detection: Unilateral (i.e. legs can contract simultaneously or one at a time to register reps during a test)

Starting Position:
Ankle hooks placed around the tops of the ankles.
Kneeling on the NordBord with hands on the ground. 
Knees bent 30°.

Instructions for the Individual:
Keep their legs in the same position (knees bent 30°).
Pull up on the hooks for the prescribed time.
Relax.
Repeat for the required number of reps.