appendicular skeleton Flashcards
what bones are included in the pectoral girdle?
clavicles and scapulas
what is an alternate name for the rotator cuff?
glenoid cavity
what is found at the rotator cuff/glenoid cavity?
head of the humerus, tendons of the arm muscles, associated with nerve and blood supply
where do most muscles attach to the scapula?
medial and lateral borders, spine of the scapula
where does the clavicle connect to the axial skeleton?
manubrium of the sternum
what are the significant landmarks on the humerus?
head, tuberosities, condyles, and surgical neck
what is the significance of the head of the humerus?
articulates with the scapula at the glenoid cavity
what is the significance of the tuberosities?
attachment points for muscles of the arm
what is the significance of the condyles?
inferior side of the humerus; medial one is the “funny bone”
what is the significance of the surgical neck?
area where most fractures occur
which is the most lateral bone: the radius or ulna?
the radius
how many carpal bones are there?
8 carpals
how many metacarpals are there?
5 metacarpals
what is the significance of the transverse ligament?
stabilizes the wrist, holds tendons, nerves, and blood vessels that enter and exit the hands (aka the carpal tunnel)
how is the transverse ligament associated with carpal tunnel syndrome?
inflammation of the carpal tunnel causes carpal tunnel syndrome