Scapular and Axilliary
What protects the subclavian artery, vein, and brachial plexus if the clavicle breaks?
subclavius
What is the name for our proprioceptive superficial respiratory muscles?
serratus posterior
The "atlas" refers to which vertabrae?
C1
Origin of leveator scapulae muscle?
transverse process of C1- C4
After a jarring blow to the left anterior shoulder region, a young field hockey player was told by an examining physician that she had a muscle tear that resulted directly from the superolateral distraction of a fractured coracoid process. Which muscle was torn?
pectoralis minor
What spinal nerve roots form the brachial plexus
C5- T1
What muscle is primarily responsible for protraction of the scapula?
Serratus anterior
How many cervical spinal nerves pairs are there typically?
8 pairs
What muscle inserts on the coracoid process?
pectoralis minor
After a penetrating wound in the area of the posterior axillary fold a patient had weakness in extension and adduction of the arm. Which muscle is likely involved?
Latissimus dorsi
Which muscles form the rotator cuff?
supraspinatus
infraspinatus
teres minor
subscapularis
What is the actions of the splenius cervicis and splenius capitis?
Together- extend head and neck
Individually- laterally flex neck
What is responsible for sending motor info in the spinal cord?
the ventral (anterior root)
Innervation of Teres Major?
lower subscapular nerve
Injury to what nerve could contribute to a winged scapula?
long thoracic nerve
All rotator cuff muscles aide in rotation of humerus EXCEPT FOR
supraspinatus
What makes up the erector Spinae?
Iliocostalis
Longissimus
Spinalis
What anchors the spinal cord to the dural sac?
The denticulate ligaments and filum terminale
Innervation of Pectoralis Major?
Lateral and medial pectoral nerves
Inserting a spinal tap needle in the lumbar region, in the midline, you hear and feel a 'pop' at the needle tip. What structure was perforated to cause the 'pop?'
dura mater
What structure is located in the deltopectoral groove?
cephalic vein
What muscle forms the anterior wall of the axilla?
pec major and minor
What is responsible for limiting extension of the column?
Anterior Longitudinal Ligamnet
Insertion of subscapularis?
lesser tubercle of humerus
If one does a laminectomy (removing the laminae of two adjacent vertebrae) to expose the spinal cord, which ligament must be removed?
Ligamentum flavum