Table 2. The intra-rater reliability of the scoring criteria. Movement Level of Agreement (ĸ) Overhead Squat 0.91 “almost perfect” Double Lunge (L) 0.82 “substantial” Double Lunge (R) 0.81 “substantial” Single Leg Romanian Deadlift (L) 0.77 “substantial” Single Leg Romanian Deadlift (R) 0.74 “substantial” Push Up 0.71 “substantial” R, right leg; L, left leg