Treatment Cycle 1 N = 112 | Treatment Cycle 2 N = 97 | Treatment Cycle 3 N = 93 | |
---|---|---|---|
Muscles injected, n (%) | |||
Splenius capitis | 99 (88.4) | 87 (89.7) | 84 (90.3) |
Sternocleidomastoid | 75 (67.0) | 67 (69.1) | 63 (67.7) |
Trapezius | 73 (65.2) | 66 (68.0) | 62 (66.7) |
Levator scapulae | 67 (59.8) | 60 (61.9) | 57 (61.3) |
Scalenus (medius and anterior) | 29 (25.9) | 31 (32.0) | 28 (30.1) |
Semispinalis capitis | 38 (33.9) | 39 (40.2) | 25 (37.6) |
Longissimus | 23 (20.5) | 24 (24.7) | 21 (22.6) |
Other | 29 (25.9) | 26 (26.8) | 24 (25.8) |