Mod 1 Flashcards
Primary function of the temporalis
Close the jaw, flex tmj
What nerve innervates the temporalis?
Trigeminal nerve third branch
CN V3
What is the primary function of the masseter?
Close the jaw and flex TMJ
What is the innervation of the masseter?
Trigeminal nerve 3rd branch
CN V3
What is the primary function of the digastricus?
Open jaw, extend TMJ
What is the innervation for the digastricus?
Trigeminal nerve, 3rd branch
CN V3
What is the primary function of the hypoglossal?
Tongue movement
What nerve innervates the hypoglossal?
Hypoglossal nerve
CNXII
What is the primary function of omotransversarius?
Move the scapula forward
What is the innervation of the omotransverarius?
Spinal accessory nerve
CN XI
What is the primary function of the brachiocephalicus?
Extend shoulder joint
What is the innervation of brachiocephalicus?
Spinal accessory nerve
CN XI
What is the primary function of the trapezius?
Elevate scapula dorsal and medial
What nerve innervates the trapezius?
Spinal accessory nerve
CN XI
What is the primary function of the rhomboideus?
Elevate dorsal and medial
What nerve innervates the rhomboideus?
Segmental
What is the primary function of the splenius?
Support and extend the neck
What nerve innervates the spenius?
Segmental
What is the primary function of the sclaneus?
Ventral and lateral flexion of the neck
What nerve innervates the sclaneus?
Segmental
What is the primary function of sternocephalicus?
Ventral flexion of the neck
What nerve innervates the sternocephalicus?
Spinal accessory
CNXI
What is the primary function of sterno-thyroi-hyoideus?
Retract and move the hyoid
What nerve innervates sterno-thyroi-hyoideus?
Segmental
What is the primary function of serratus ventralis?
Thoracic girdle support
Stabilize the thoracics
What nerve innervates the serratus ventralis?
Long thoracic nerve
What is the primary function of supraspinatus?
Stabilize the shoulder joint
What nerve innervates the supraspinatus?
Suprascapular nerve
What is the primary function of infraspinatus?
Stabilize the shoulder joint
What nerve innervates the infraspinatus?
Suprascapular nerve
What is the primary function of subscapularis?
Stabilize the shoulder joint
What nerve innervates the subscapularis?
Subscapularis nerve
What is the primary function of the deltoideus?
Shoulder joint flexion
What nerve innervates the deltoideus?
Axillary nerve
What is the primary function of teres major/minor?
Shoulder joint flexion
What nerve innervates the teres major/minor?
Axillary nerve
What is the primary function of the latissimus dorsi?
Shoulder joint flexion
What nerve innervates the latissimus dorsi?
Thoracodorsal nerve
What is the primary function of biceps brachii?
Elbow joint flexion
What nerve innervates biceps brachii
Musculocutaneous nerve
What is the primary function of brachialis?
Elbow joint flexion
What nerve innervates the brachialis?
Musculocutaneous nerve
What is the primary function of the triceps?
Extend the elbow joint
What nerve innervates the triceps?
Radial nerve
What is the primary function of the superficial pectorals?
Adduction of the front limb
What nerve innervates the superficial pectorals?
Pectoral nerve
What is the primary function of the deep pectorals?
Adduction of the front limb
What nerve innervates the deep pectorals?
Pectoral nerve
Which two muscles flex the elbow joint?
Biceps brachii and brachialis
musculocutaneous nerve
What is the antagonist of the biceps brachii and brachialis muscles?
Triceps
Which muscles stabilize the shoulder joint?
Supraspinatus (Suprascapular nerve)
Infraspinatus (Suprascapular nerve)
Sub scapularis ( subscapularis nerve)
What muscles flex the shoulder joint?
Deltoideus. (Axillary nerve)
Teres major/minor ( axillary nerve)
Latissimus dorsi. (Thoracodorsal nerve
What muscles are innervated by the axillary nerve?
Deltoideus
Teres major/minor
What muscles are innervated by the trigeminal nerve 3rd branch? (CN V3)
Temporalis
Masseter
Digastricus
What muscles close the jaw and flex TMJ?
Temporalis
Masseter
What muscle is antagonistic to the temporalis and masseter?
Digastricus
open jaw and extend TMJ
What muscles are innervated by the spinal accessory nerve?
CNXI
Omotransversarius
Brachiocephalicus
Trapezius
Sternocephalicus
Which muscles elevate shoulder blade dorsal and medially?
Trapezius. (Spinal accessory nerve)
Rhomboideus (segmental)