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129 Cards in this Set

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Trapezius:
Origin?
external occipital protuberance, superior nuchal line, nuchal ligament, spines of C7-T12
Trapezius:
Insertion?
spine of the scapula, the acromion, and lateral third of the clavicle
Trapezius:
Nerve?
Artery?
Nerve: Spinoaccesory Nerve (cranial nerve 11)--motor; C3 and C4 -- sensory

Artery: transverse cervical artery
Trapezius:
Function?
Adducts, rotates, elevates, and depresses scapula; allows you to shrug shoulders
Latissimus Dorsi:
Origin?
thoracolumbar fascia, iliac crest, spines of T7-T12, ribs 9-12
Latissimus Dorsi:
Insertion?
Floor of the bicepital groove of humerus
Latissimus Dorsi:
Nerve?
Artery?
Nerve: Thoracodorsal Nerve
Artery: Thoracodorsal Artery
Latissimus Dorsi:
Function?
Adducts, extends and rotates arm medially; depresses scapula
Rhomboid Major:
Origin?
Spines of t2-T5
Rhomboid Major:
Insertion?
medial border of the scapula
Rhomboid Major:
Nerve?
Artery?
Nerve: Dorsascapular Nerve
Artery: Dorsascapular Artery -- may branch directly from the subclavian or may branch from the transverse cervical artery
Rhomboid Major:
Function?
Adducts scapula, rotate the scapula to depress the gleniod cavity, and hold the scapula close to the thoracic wall.
Rhomboid Minor:
Origin?
Spines of C7-T1, nuchal ligament
Rhomboid Minor:
Insertion?
Root of spine of scapula
Rhomboid Minor:
Nerve?
Artery?
Nerve: Dorsascapular Nerve
Artery: Dorsascapular Artery
Rhomboid Minor:
Function?
Adduct the scapula, rotate the scapula to depress the glenoid cavity, and hold the scapula close to the thoracic wall
Serratus posterior-superior:
Origin?
nuchal ligament, supraspinal ligament, and spines of C7-T3
Serratus posterior-superior:
Insertion?
ribs 2-4
Serratus posterior-superior:
Nerve?
Artery?
Nerve: Intercostal nerve
Artery: Intercostal Arteries?
Serratus posterior-superior:
Function?
Elevates ribs; aids with respiration
Serratus posterior-inferior:
Origin?
Supraspinous ligament and spines of T11-L2
Serratus posterior-inferior:
Insertion?
Ribs 8-12
Serratus posterior-inferior:
Nerve?
Artery?
Nerve: Intercostal Nerve
Artery: Intercostal Arteries?
Serratus posterior-inferior:
Function?
Depress Ribs; used in respiration
Levator Scapulae:
Origin?
Transveres processes of C1-C4
Levator Scapulae:
Insertion?
Medial border of the scapula
Levator Scapulae:
Nerve?
Artery?
Nerve: Dorsal scapular Nerve
Artery:Dorsal scapular artery
Levator Scapulae:
Function?
Elevates scapula; rotates the scapula to depress the gleniod cavity.
What is the cervical enlargement? Why is it enlarged?
It is C4-T1; provides nerves to upper limb
What is the lumbar enlargement? Why is it enlarged?
It is L2-S3 and prvides the nerves to the lower limb.
Describe the conus medullaris.
It is the end of the spinal cord located between vertebral levels L1 and L2.
Describe the cauda equina.
It is a collection of ventral and dorsal roots in the lower vertebral canal.
Describe the filum terminale internum.
A delicate filament continuous with the pia mater. It arises from the inferior tip of the conus medullaris and ends at S2 where it is encircled by the lower end of the dural sac.
Describe the filum terminale externum.
The continuation of the filum terminale internum below S2. It passes through the sacral hiatus (where S4 and S5 are not fused) and attaches to the coccyx.
Name the meninges from outermost to innermost with the spaces.
Epidural Space -- fat and Batson's plexus
Dura Mater -- Hard mother
Subdura space -- potential space
Arachnoid mater
Subarachnoid space: CSF where lumbar puncture
Pia Mater: it forms two denticulate ligaments that has 21 teeth. Each tooth is attached to the inner surface of the dura mater.
Describe ligamentum flava.
Connects the laminae of the adjacent vertebrae.
Splenius Muscle:
Origin?
nuchal ligament; spinous process of vertebrae C7-T6
Splenius Muscle:
Insertion?
Capitis: mastoid process and superior nuchal line
Cervicis: Transverse process of C1 to C4
Splenius Muscle:
Nerve?
Artery?
Nerve: Dorsal primary ramii of spinal nerves C2 to C6

Artery: Deep cervical artery and posterior intercostal artery
Splenius Muscle:
Function?
Extends and laterally bends neck and head; rotates head to same side
Semispinalis capitis muscle:
Origin?
transverse processes of C7-T12
Semispinalis capitis muscle:
Insertion?
back of the skull between nuchal lines
Semispinalis capitis muscle:
Nerve?
Artery?
Nerve: dorsal primary ramii of spinal nerves C1-T12

Artery: Deep cervical artery, posterior intercostal artery
Semispinalis capitis muscle:
Function?
extends the trunk and laterally bends the trunk; rotates the trunk to the opposite side
Erector Spinae, Spinalis muscle:
Origin?
Spinous processes at inferior vertebral levels
Erector Spinae, Spinalis muscle:
Insertion?
spinous processes at superior vertebral levels and base of skull
Erector Spinae, Spinalis muscle:
Nerve?
Artery?
Nerve: Dorsal primary ramii of spinal nerves C2-L3

Artery: Deep cervical artery, posterior intercostal artery
Erector Spinae, Spinalis muscle:
Function?
Extends the trunk and laterally bens the trunk and neck
Erector Spinae, Longissimus:
Origin?
Sacrum and supraspinalis ligament, spinous process
Erector Spinae, Longissimus:
Insertion?
Transverse process at superior levels and the longissimus capitis attaches to the mastoid process
Erector Spinae, iliocostalis:
Origin?
iliac crest and sacrum
Erector Spinae, iliocostalis:
Insertion?
ribs
Erector Spinae, iliocostalis:
Nerve?
Artery?
Nerve: Dorsal primary ramii of spinal nerves C4-S5

Artery: Deep cervical artery, posterior intercostal arteries
Erector Spinae, iliocostalis:
Function?
extends and laterally bends the trunk and neck
Transversospinal group, Semispinalis:
Origin?
transverse process of C7-T12
Transversospinal group, Semispinalis:
Insertion?
Spinous processes
Transversospinal group, Semispinalis:
Function?
The group cause rotational and lateral bending movements between adjacent vertebrae and act to stabilize the vertebral column
Transversospinal group, rotatores:
Origin?
transverse processes
Transversospinal group, rotatores:
Insertion?
spinous processes
Transversospinal group, rotatores:
Function?
The group cause rotational and lateral bending movements between adjacent vertebrae and act to stabilize the vertebral column
Transversospinal, multifidus:
Origin?
sacrum, transverse process of C3-L5
Transversospinal, multifidus:
Insertion?
spinous processes, 2-4 vertebral levels superior to their origin
Transversospinal, multifidus:
Function?
extend and laterally bend trunk and neck, rotate to opposite side
Obliquus capitis inferior:
Origin?
spinous process of the axis (C2)
Obliquus capitis inferior:
Insertion?
Transverse process of atlas (c1)
Obliquus capitis inferior:
Nerve?
Artery?
Nerve: Suboccipital Nerve (DPR of C1)

Artery: Occipital Artery
Obliquus capitis inferior:
Function?
rotates the head to the same side
Obliquus capitis superior:
Origin?
transverse process of atlas
Obliquus capitis superior:
Insertion?
occipital bone above inferior nuchal line
Obliquus capitis superior:
Nerve?
Artery?
Nerve: Suboccipital Nerve (DPR of C1)

Artery: Occipital Artery
Obliquus capitis superior:
Function?
extends the head, rotates the head to the same side
Rectus capitis major:
Origin?
spinous process of axis
Rectus capitis major:
Insertion?
inferior nuchal line
Rectus capitis major:
Nerve?
Artery?
Nerve: Suboccipital Nerve (DPR of C1)

Artery: Occipital Artery
Rectus capitis major:
Function?
extends the head, rotate to same side
Rectus Capitis Minor muscle:
Origin?
posterior tubercle of atlas
Rectus Capitis Minor muscle:
Insertion?
inferior nuchal line medially
Rectus Capitis Minor muscle:
Nerve?
Artery?
Nerve: suboccipital nerve (DPR of C1)

Artery: Occipital Artery
Rectus Capitis Minor muscle:
Function?
extends the head
What can be found within the suboccipital triangle?
suboccipital nerve and the vertebral artery (which is the first branch of the subclavian)
Deltiod muscle:
Origin?
spine of the scapula, the acromion, and the lateral one-third of the clavicle
Deltiod muscle:
Insertion?
Deltoid tuberosity of the humerus
Deltiod muscle:
Nerve?
Artery?
Nerve: Axillary Nerve (also supplies the teres minor)

Artery: posterior circumflex humeral artery
Deltiod muscle:
Function:
Abducts the humerus; anterior fibers flex & medially rotate the arm; posterior fibers extend & laterally rotate the arm
Borders of quadrangular space? What is found within this space?
Borders: Teres minor, teres major, long head of the triceps and the surgical neck of the humerus
Teres minor muscle:
Origin?
lateral border of the scapula
Teres minor muscle:
Insertion?
inferior facet of the greater tubercle of the humerus
Teres minor muscle:
Nerve?
Artery?
Axillary Nerve (C5, C6)

Artery:circumflex scapular artery
Teres minor muscle:
Function?
laterally rotates the humerus, which laterally rotates the arm
Teres Major:
Origin?
inferior angle of the scapula
Teres Major:
Insertion?
the intertubercular sulcus of the humerus
Teres Major:
Nerve?
Artery?
Nerve: lower subscapular nerve

Artery: circumflex scapular artery
Teres Major:
Function?
adducts the arm, medially rotates the humerus, assists in arm extension
Supraspinatus Muscle:
Origin?
Supraspinaous fossa of the scapula
Supraspinatus Muscle:
Insertion?
Highest facet of the greater tubercle of the humerus
Supraspinatus Muscle:
Nerve?
Artery?
Nerve: suprascapular nerve

Artery: Suprascapular artery
Supraspinatus Muscle:
Function?
intiates abduction of the humerus
Infraspinatus Muscle:
Origin?
Infraspinous fossa of the scapula
Infraspinatus Muscle:
Insertion?
Middle facet of the greater tubercle of the humerus
Infraspinatus Muscle:
Nerve?
Artery?
Nerve: Suprascapular nerve
Artery: Suprascapular Artery
Infraspinatus Muscle:
Function?
laterally rotates the humerus
What makes the rotator cuff?
SITS: Supraspinatus, infraspinatus, teres minor, subscapularis
Long head of the Triceps:
Origin?
infraglenoid tubercle of the scapula
Lateral head of the Triceps:
Origin?
posterior surface of the humerus superior to the radial groove
Medial head of the Triceps:
Origin?
Posterior surface of the humerus inferior to the radial groove
Triceps:
Insertion?
Olecranon of the ulna
Triceps:
Nerve?
Artery?
Nerve: Radial Nerve

Artery: Deep brachial artery
Triceps:
Function?
extends the forearm; the long head extends and adducts arm
Pectoralis Major:
Origin?
medial 1/2 of the clavicle, manubrium & body of sternum, costal cartilages of ribs 2-6
Pectoralis Major:
Insertion?
crest of the greater tubercle of the humerus
Pectoralis Major:
Nerve?
Artery?
Nerve:medial and lateral pectoral nerves

Artery: pectoral branch of the thoracoacromial trunk
Pectoralis Major:
Function?
flexes and adducts the arm, medially rotates the arm
Pectoralis Minor:
Origin?
ribs 3-5
Pectoralis Minor:
Insertion
coracoid process of the scapula
Pectoralis Minor:
Nerve?
ARtery?
Nerve:medial pectoral nerve

Artery:pectoral branch of the thoracoacromial trunk
Pectoralis Minor:
Function?
draws the scapula forward, medialward, and downward
Subclavius Muscle:
Origin?
first rib and its cartilage
Subclavius Muscle:
Insertion?
inferior surface of the clavicle
Subclavius Muscle:
Nerve?
Artery?
Nerve: nerve to subclavius

Artery: clavicular branch of the thoracoacromial trunk
Subclavius Muscle:
Function?
draws the clavicle (and hence the shoulder) down and forward
What are the branches of the thoraco-acromial artery?
acromial branch
deltoid branch
pectoral branch
clavicular branch

(Atlantic city PD)
Serratus Anterior Muscle:
Origin?
ribs 1-8 or 9
Serratus Anterior Muscle:
Insertion?
medial border of the scapula on its costal (deep) surface
Serratus Anterior Muscle:
Nerve?
Artery?
Nerve: long thoracic nerve

Artery: long thoracic artery
Serratus Anterior Muscle:
Function?
it draws the scapula forward; the inferior fibers rotate the scapula superiorly

if not function, you end up with a winged scapula
Subscapularis:
Origin?
Subscapularis Fossa
Subscapularis:
Insertion?
Lesser tubercle of humerus
Subscapularis:
Nerve
Artery
Nerve: Upper Subscapular Nerve
Artery: Subscapular Artery
Subscapularis:
Function
medially rotates, and adducts arm, helps humeral head in glenoid cavity