Cranial nerves:
🟠 Accessory (XI)
▪️Type: Motor only
▪️Origin: Arises from spinal cord.
▪️Function:
Lateral flexion and rotation
of the neck by
"sternocleidomastoid muscle".
elevates the scapula, rotates it
and pulls the it inferiorly by
"trapezius muscle".
▪️Examination: ----» by
asking the patient to shrug his
shoulders with and without
resistance
نطلب من المريض أن يهز كتفه مع مقاومة وبدون مقاومة.
▪️Abnormalities:
-Accessory nerve disorder.
absent function of the
sternocleidomastoid
muscle and trapezius
muscle.
-Inability to lift the shoulder
يعني عدم قدرة المريض على رفع كتفه...
-Weakness in turning the head.
#CNS.
#Physiology_lab.
#فريق_سواعد_وبناء.
1October 30, 2024 882 11