PHYSIOLOGY
MUSCLE CONTRACTION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
Of the following, what muscle is superior to the other three?
|
|
Intercostals
|
|
|
Gastrocnemius
|
|
|
Sternocleidomastoid
|
|
|
Trapezius
|
Explanation:
Detailed explanation-1: -The sternocleidomastoid muscle is generally considered to have nerve supply from the accessory nerve. However, the innervation pattern to the SCM is not so simple and it also receives fibers from the C2 and C3 anterior branches, as studied by Caliot et al.
Detailed explanation-2: -Answer and Explanation: The sternocleidomastoid muscles help to flex the neck. Their antagonists are the longus capitis and the rectus capitis anterior.
Detailed explanation-3: -Sterno-mastoid. Sterno-occipital. Cleido-mastoid. Cleido-occipital.
There is 1 question to complete.