From: Musculoskeletal diagnostic ultrasound imaging for thickness measurement of four principal muscles of the cervical spine -a reliability and agreement study
Muscle
Females (N)
Mean age (Yrs)
Age range (Yrs)
SD (Yrs)
Neck Pain
No Neck Pain
Lcol
54
46,9
20–70
±13,4
61%
39%
Rcpm
31
44,1
±10,7
48%
52%
Dce
56a
50,0
±11,3
64%
36%
Sscap
50
37,1
±13,5