TABLE 3.
Normalized EMG activity (%MVC) in conventional and sumo deadlifts across phases 1 and 2. Bolded values indicate significant differences (p < 0.025) between techniques within the same phase as determined by Wilcoxon signed-rank tests.
EMG | Phase 1 | Phase 2 | ||||||
---|---|---|---|---|---|---|---|---|
Conventional | Sumo | P Value | Rank-biserial Correlation | Conventional | Sumo | P Value | Rank-biserial Correlation | |
Adductor | 77,5 (12,1) | 72,3 (21,2) | 0.070 | 0,394 | 50,8 (28,9) | 48,4 (25,3) | 0.115 | 0,345 |
Biceps Femoris | 78,0 (13,1) | 71,3 (15,6) | 0.009 | 0,535 | 77,6 (18,9) | 69,9 (20,9) | 0.003 | 0,604 |
Erector Spinae Lumbar | 77,2 (16,7) | 74,7 (27,9) | 0.400 | 0,190 | 76,5 (29,9) | 67,0 (21,6) | 0.400 | 0,190 |
Erector Spinae Thoracis | 78,6 (23,9) | 75,5 (16,9) | 0.966 | 0,011 | 74,8 (12,8) | 67,1 (18,3) | 0.022 | 0,485 |
Gastrocnemius Lateralis | 73,8 (16,1) | 73,4 (15,1) | 0.984 | 0,006 | 67,1 (15,6) | 68,1 (21,0) | 0.584 | −0,118 |
Gluteus Maximus | 79,1 (20,0) | 71,2 (16,1) | 0.465 | 0,157 | 77,2 (13,3) | 74,2 (20,9) | 0.177 | 0,286 |
Gluteus Medius | 74,6 (18,3) | 75,9 (19,6) | 0.824 | 0,049 | 80,4 (9,1) | 75,9 (23,5) | 0.038 | 0,432 |
Tibialis | 81,9 (17,9) | 64,3 (26,3) | < 0.001 | 0,699 | 64,7 (18,4) | 63,3 (22,0) | 0.903 | −0,028 |
Vastus Lateralis | 55,5 (20,3) | 63,3 (23,1) | 0.014 | −0,517 | 49,1 (19,8) | 40,0 (21,3) | 0.084 | 0,370 |