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MSK Anatomy

Terms in this set (129)

Trapezius
Rhomboid major
adducts scapula
Triangle of Auscultation
small, triangular gap between trapezius and latissimus dorsi muscles and inferior part of medial scapular border
Latissimus dorsi
extends, adducts, and medially rotates arm
Levator scapulae
elevates scapula
Rhomboid minor
retracts scapula
Spinal accessory nerve
innervates trapezius
Transverse cervical artery
blood supply of trapezius
Serratus posterior superior
elevates ribs
Serratus posterior inferior
depresses ribs during exhalation
Spinalis
extends vertebral column
Iliocostalis
extends vertebral column
Longissimus
extends vertebral column
Semispinalis
extends neck and vertebral column
Splenius capitis
rotates head, bends head to one side, or extends neck
Splenius cervicis
posterior rami of spinal nerves
Superior nuchal line
runs horizontally from external occipital protuberance
External occipital protuberance
Inferior nuchal line
Mastoid process
Acromion
Infraspinous fossa
Supraspinous fossa
Spine of scapula
Posterior superior iliac spine
Cervical vertebrae
Thoracic vertebrae
Lumbar vertebrae
Transverse process
Spinous process
Pedicle
Lamina
Intervertebral foramen
Sacrum
Ligamentum flavum
connects the laminae of adjacent vertebrae
Lumbrosacral enlargement
extends through the lumbar and sacral parts of the spinal cord and innervates the lower limbs
Dura mater
thick, outermost layer of the meninges surrounding and protecting the brain and spinal cord
Arachnoid mater
weblike middle layer of the three meninges
Denticulate ligaments
extensions of pia mater that secure cord to dura mater
Dorsal primary ramus
supplies deep back muscles and the skin on the dorsal surface of the trunk
Ventral primary ramus
supplies structures on the limbs, the skin along the lateral and ventral surfaces of the trunk, and skeletal muscles except the deep back muscles
Dorsal root ganglion
a nodule on a dorsal root that contains cell bodies of afferent spinal nerve neurons
Conus medullaris
end of spinal cord
Filum terminale
anchors spinal cord to coccyx
Cauda equina
collection of spinal nerves below the end of the spinal cord
Deltoid
Long head of triceps
Infraspinatus
rotates arm laterally
Teres minor
rotates arm laterally
Teres major
extends, adducts, and medially rotates arm
Lateral head of triceps
Quadrangular space
axillary nerve and posterior circumflex humeral artery
Triangular space
circumflex scapular artery
Axillary nerve
innervates deltoid and teres minor
Posterior circumflex humeral artery
Circumflex scapular artery
Deep brachial artery
supplies the triceps brachii
Radial nerve
sensory-motor nerve that, with its branches, supplies the thumb side of the arm and back of the hand
Suprascapular artery
supplies supraspinatus and infraspinatus
Transverse scapular ligament
between the base of the coracoid process and the medial side of the scapular notch
Suprascapular nerve
innervates supraspinatus and infraspinatus
Infraglenoid tubercle
Scapular notch
Lesser tubercle
Greater tubercle
Radial groove
Intertubercular sulcus
Suspensory ligaments of Cooper
Pectoralis major
Mammary glands
Serratus anterior
Sternocleidomastoid
Cephalic vein
External jugular vein
Pectoralis minor
protracts and depresses scapula
Medial pectoral nerve
Lateral pectoral nerve
Thoracoacromial artery
Transverse cervical nerve
Accessory nerve
Phrenic nerve
innervates the diaphragm
Scalenus medius
Scalenus anterior
Scalenus posterior
Brachial plexus
Suprasternal notch
Xiphoid process
Manubrium
Sternal angle
Scalene
Subscapularis
medially rotates arm
Brachial plexus
network of interlacing nerves found in the upper arm area
Subscapularis, latissimus dorsi, teres major
posterior wall of axilla
Axillary vein
Coracobrachialis
flexes and adducts arm
Musculocutaenous nerve
-biceps and brachialis
-sensory anterior brachium
Axillary artery
Ulnar nerve
Musculocutaneous nerve, lateral root of median nerve, lateral pectoral nerve
3 structures on the lateral cord of the brachial plexus
Ulnar nerve, medial root of the median nerve, medial cutaneous nerve of arm, medial cutaneous nerve to forearm, medial pectoral nerve
5 structures on the medial cord of the brachial plexus
axillary nerve, radial nerve, supscapular nerve, thoracodorsal nerve, lower subscapular nerve
5 structures on the posterior cord of the brachial plexus
Posterior cord
Medial cord
Lateral cord
Median nerve
sensory-motor nerve that is smaller than the ulnar and radial nerves and that, with its branches, supplies the arm and hand
Anterior humeral circumflex artery
Posterior humeral circumflex artery
Deltoid tuberosity
raised area on lateral surface of humerus to which deltoid muscle attaches
Short head of the brachii
Long head of the brachii
Long thoracic nerve
Superior thoracic artery
first branch of axillary artery
Lateral thoracic artery
serves lateral chest wall
Thoracodorsal artery
blood supply of latissimus dorsi
Subscapular artery
serves scapula and dorsal thorax
Basilic vein
large vein on the inner side of the upper arm
Median cubital vein
the vein of choice because is it large and does not tend to move the the needle is inserted
Brachialis
flexes forearm
Brachial artery
artery of the upper arm; the site of the pulse checked during infant CPR
Musculocutaneous nerve
innervates coracobrachialis, biceps brachii, brachialis
Lateral cutaneous nerve of forearm
travels deep to brachioradialis
Medial cutaneous nerve of forearm
innervates skin on medial side of forearm
Bicipital aponeurosis
superficial to brachial artery and median nerve; fuses with deep fascia covering the origin of the wrist and finger flexors
Profunda brachii artery
runs the posterior course of the humorous, is "Deep"
Coronoid fossa
anterior depression that receives the coronoid process of the ulna during forearm flexion
Olecranon fossa
located on the posterior side of the distal end of the humerus superior to the trochlea and articulates with the olecranon process of the ulna
Radial fossa
small lateral depression; receives the head of the radius when the forearm is flexed
Trochlea
a smooth, grooved articular process shaped like a pulley
Capitulum
a little head
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