B And C Plexus Flashcards
What does the cervical plexus serve
Head
Neck
Shoulders
What does the brachial plexus serve
Chest
Shoulders
Arms
Hands
What does the lumbar plexus serve
GC-KAT
Groin
Knees
Abdomen
Thighs
Calves
What does the sacral plexus serve
Pelvis
Buttocks
Genitals
Thighs
Calves
Feet
What does the coccygeal plexus serve
Small region over the coccyx
What forms the cervical plexus
Ventral rami of the upper 4 cervical nerves
Part of fifth cervical nerve from spinal cord
Cervical plexus
Cutaneous/sensory branches
Lesser occipital nerve (C2)
Greater auricular nerve (C2,C3-above ear)
Transverse cervical (C2,C3- lateral portion of neck)
Suprascapular (C3,C4- right above clavical)
Cervical plexus
Muscular/motor branches
APS
Ansa cervicalis (C1.C2,C3 hyoid muscle-talking)
Phrenic (C3,C4,C5- diaphragm)
Segmental branches (C1,C2,C3,C4)
Rotator cuff muscles
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
What passes through the quadrangular space
Axillary nerve
Posterior circumflex humeral artery
Which muscle has an attachment to the fibrocartilaginous articular disc of the TMJ
Lateral pterygoid
What nerve innovates the masseter muscle
Trigeminal nerve
Protrusion of the jaw is limited by what ligament
Stylomandibular ligament
What muscles of mastication have an insertion on the coracoid process?
Temporalis
Masseter
What muscle of mastication is the strongest
Superficial masseter
What muscle of mastications is the strongest
Superficial masseter
Which muscle has an attachment to the fibrocartiligenous disc of the TMJ
Lateral pterygoid
What does the accessory nerve innovates
SCM
Trapezius
Subacromial space - what’s in it
Biceps tendon (long head)
Subacromial bursa
Supraspinatus tendon
What does the Thoracodorsal nerve innovates
Lats
What does the dorsal scapular nerve innovate
Rhomboids minor/major
Levator scapulae
What does the lateral pectoral nerve innovate
Pec major-upper fibers
What does the lateral/medial pectoral nerve innovate
Pec major-upper and lower
Pec minor
What does the nerve to the subclavian innovate
Subclavius
What does the long thoracic nerve innovate
Serratus anterior
What does the Axillary nerve innovate
Deltoid
Teres minor
What does the Suprascapular nerve innovate
Supraspinatus
Infraspinatus
What does the upper and lower subscapular nerve innovate
Subscapularis
What does the lower subscapularis nerve innovate
Teres major
What makes up the quadrangular space
Teres minor
Teres major
Humerus
Long head of triceps brachii
Teres minor origin
Upper 2/3 dorsal surface of the lateral border of the scapula
