Anatomy EXAM (4) Flashcards
fiber
bunch of myofibrils surrounded by endomysium covering
facsiculus
bunch of biers surrounded by perimysium covering
muscle
a bunch of fasciculi surrounded by an epimysium covering
pull
muscles pull or push?
agonist
muscle that does the actiona
antagonist
muscle that counters the movement
impingement
when rotator cuff tendons are pinched through the humerus to the acromion
subluxation
a partial dislocation of a join due to repetitive motion
dislocation
when two bones separate at a join connecting point causes immobilization
SITS
acronym for 4 rotator cuff muscles
supraspinatus, infraspinatus, teres minor, subscapularous
(SITS) the 4 rotator cuff muscles
sarcopenia
losing muscle mass at 40
capillaries
most numerous blood vessels in the body, exchange site for blood cells, gas, waste, etc.
arteriosclerosis
hardening of arteries
arthrosclerosis
plaque in arteries
phalanx
singular bone in finger
phalanges
multiple bones in finger
interphalangeal joint
joint between 2 phalanx
metacarpophalangeal joint
name based on most proximal bone, between metacarpal and phalanx
carpometacarpal joint
joint between carpal bone and metacarpal
intercarpal joint
joint between 2 carpal bones
ulnocarpal joint
joint between the ulnar and a carpal bones
radiocarpal joint
joint between the radius and a carpal joint
scaphoid
most common bone break in wrist
pollicis
thumb
indicis
index finger
medius
middle finger
minimus/ulnaris
pinky finger
digitus
single bone attachment in single finger
digiti
multiple bone attachments in a single finger
digitorum
multiple bone attachments in multiple fingers
radial nerve
extensor muscle’s nerve
lateral epicondyle and radius bone
extensor muscle’s origin
median nerve
flexor muscle’s nerve
medial epicondyle and ulna
origin of flexor muscles
contraction
systole
relaxation
diastole
coronary
vessels on the surface of the heart
SA node
where does electrical signal start in heart?
tendons
attaches muscles to bones
athletes, age, injury
susceptibility to tendonitis
thrombus
blood clots of the coronary vessels -blockage
embolism
blood clog that broke loose travels to lungs
myocarditis
inflammed heart muscle
pericarditis
inflammation of pericardium tissue
cardiomyopathy
weaked heart muscle
valve disorders
heart murmurs
arrhythmia
irregular heart rate
heart attack
heart muscle lacks oxygen or blood
Insertion: corocoid process
Origin: medial border of humerus halfway point
coracobrachialis I and O
musculocutaneous
nerve of coracobrachialis
pectoral
pectoralis major nerve
Origin: border of sternum and medial 1/2 of clavical
insertion: lower aspect of bicipital groove
pectoralis major I and O
subscapular
teres major nerve
Insertion: bicipital groove
Origin: lower lateral border of scapula and inferior angle
teres major I and O
axillary
teres minor nerve
Insertion: greater tubercle of humerus
Origin: lateral border of scapula
teres minor I and O
suprascapular
supraspinatus nerve
Origin: supraspinatus fossa
insertion: greater tubercle
Supraspinatus I and O
axillary
deltoid nerve
Origin: clavicular, acromion process, scapula spine
Insertion: deltoid tuberosity
deltoid I and O
suprascapular
infraspinatus nerve
Insertion: greater tubercle of humerus
Origin: infraspinatus fossa
infraspinatus I and O
thoracodorsal nerve
latissimus dorsi nerve
Insrtion: bicipital groove
Origin: spinous process of lower thoracic vertebrae, all lumbar vertebrae, and iliac crest
latissius dorsi I and O
subscapular nerve
subscapularus nerve
Insertion: lesser tubercle
Origin: subscapular fossa
subscapularis I and O
musculocutaneous nerve
biceps brachii nerve
Insertion: radius tuberosity and bicipital aponeurosis
origin: coracoid process, supraglenoid tubercle (long head)
biceps brachii I and O
musculocutaneous nerve
brachialis nerve
Origin: distal anterior (lower) half of humerus
insertion: coronoid process of ulna
brachialis O and I
radial nerve
brachioradialis nerve
Origin: distal third lateral side of humerus
Insertion: styloid process of radius
brachioradialis O and I
radial nerve
triceps brachii nerve
Insertion: olecranon process of ulna
Origin: infraglenoid tubercle, upper half posterior humerus, distal 2/3 posterior humerus
Triceps brachii O and I
median nerve
pronator teres nerve
insertion: middle aspect of radius lateral surface
origin: medial epicondyle and coranoid process of ulna
pronator teres i and O