Table 6. Mean (SD) data from for isometric neck strength testing during the pre-season phase of the 2008-2009 season. Baseline End Week 5 Mean (SD) Median (IQR) Mean (SD) Median IQR) p-value Neck Flexion (N) 277.6 (63.0) 280.2 (99.7) 288 (64.1) 307.7 (98.1) .271 Neck Extension (N) 367.7 (47.9) 364.4 (46.8) 372.4 (50.9) 374.9 (68.3) .481 Neck Lateral Flexion – Left (N) 363.2 (53.9) 348.2 (67.3) 372.2 (50.6) 359.7 (85.1) .687 Neck Lateral Flexion – Right (N) 376.4 (44.7) 374.4 (62.3) 383.6 (51.9) 371.3 (73.6) .711