Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
32 Cards in this Set
- Front
- Back
What are the two heads of the trapezius muscle and where do they take their origin?
|
pars cervicalis - C3-T1-2
pars thoracis - T3-9 |
|
Where does the trapezius insert?
|
spine of the scapula
|
|
What actions does the trapezius do?
|
elevate scapula
protract the limb |
|
Which nerve innervates the trapezius?
|
Accessory
|
|
What is the origin of the latissimus dorsi muscle?
|
T4-13 and L1-7
|
|
Where does the latissimus dorsi insert?
|
teres tuberosity of the humerous
and aponeuroses with triceps group, teres major and deep pectoral muscles. |
|
What actions does the latissimus dorsi do?
|
pull trunk forward when limb is fixed, retract the limb (shoulder flex) when limb is free.
|
|
Which nerve innervates the latissimus dorsi?
|
thoracodorsal
|
|
Origin of the Omotransverse muscle?
|
Wing of the atlas (C1)
|
|
Insertion of the Omotransverse?
|
distal end of scapular spine and acromial fascia
|
|
Action of the Omotransverse?
|
Protract the limb
|
|
Innervation of the Omotransverse?
|
Accessory
|
|
What are the 3 heads of the Brachiocephalicus, and what are their insertions?
|
Cleidocervicalis - aponeurosis over cranial half of neck
Cleidomastoideus - mastoid process of temporal bone Cleidobrachialis - distal cranial humerus between biceps and brachialis muscles. |
|
Origin of the Brachiocephalicus muscle?
|
Clavicular tendon
|
|
Action of the Brachiocephalicus?
|
protracts limb, extend the shoulder, depress the neck, draws head/neck laterally
|
|
Innervation of the Brachiocephalicus?
|
Accessory, cervical and axillary.
|
|
What are the 3 parts of the Rhomboid muscle, and what are their origins?
|
pars cervicis - C2-3 to T3
pars thoracis - T4 to T6-7 pars capitis - tendon from occiput |
|
Insertion of the Rhomboid?
|
caudal, dorsal border of scapula
|
|
Action of the Rhomboid?
|
adduct scapula, rotate scapula and retract limb, elevate scapula
|
|
Innervation of the Rhomboid?
|
dorsal cervical
|
|
Origin of Ventral Serrate?
|
C3-7 and first 7-8 ribs
|
|
Insertion of Ventral Serrate?
|
fascies serrata of scapula
|
|
Action of Ventral Serrate?
|
suspend thorax, elevate neck, move neck laterally, protract and retract limb, forced inspiration
|
|
Innervation of the Ventral Serrate?
|
ventral cervical and long thoracic
|
|
Origin of Superficial Pectoral?
|
cranial end of sternum
|
|
Insertion of superficial pectoral?
|
proximal cranial humerus
|
|
Action of superficial pectoral?
|
adduct limb, suspend thorax, protract and retract limb
|
|
Innervation of superficial pectoral?
|
cranial pectoral
|
|
Origin of Deep pectoral?
|
sternebrae 1-8
|
|
Insertion of Deep pectoral?
|
lesser and greater tubercles of the humerus, either side of the bicipital groove
|
|
Action of Deep pectoral?
|
retract limb, extend shoulder, suspend thorax
|
|
Innervation of the deep pectoral?
|
caudal pectoral
|