midterm Flashcards
(50 cards)
what are the two major divisions of the entire human skeletal structure?
axial body & appendicular body
which plane divides the body into left and right portions?
sagittal
which term describes extension occurring beyond normal or healthy range of motion?
hyperextension
which movements usually occur within the frontal plane?
abduction/adduction
which descriptions are structural classifications of joints?
fibrous, cartilaginous, synovial
synovial joints are usually classified as which type?
diarthrotic
which joints are usually biaxial?
condyloid & saddle
which motions are permitted by a hinge joint?
flexion & extension
which joint is a saddle joint?
carpometacarpal of the thumb
what is the main function of a muscle?
create a pulling force
which term refers to a lengthening contraction?
eccentric
which term describes the fascial tissue that surrounds each individual muscle fiber?
endomysium
a tendon is composed of which tissue?
endomysium
perimysium
epimysium
= all of the choices
a general rule regarding muscle function is that if a muscle…
crosses a joint, it can have an action at that joint
which muscles attach onto the medial border of the scapula?
serratus anterior & rhomboids
rhomboids major & minor
levator scapulae & serratus anterior
= all of the options are correct
which muscle does NOT attach onto ribs?
trapezius
when a person carries a purse or bag on their shoulder, what muscles contract to keep the bag/purse from falling off?
elevators of the scapula
what muscle must contract to hold the phone between the head and the shoulder?
elevators of the scapula & lateral flexors of the neck
if a person has “rounded shoulders” in which the scapulae are posturally held in a protracted position, what muscles tend to be weak (lengthened) and should be strengthened?
retractors of the scapulae
the serratus anterior is innervated by which nerve?
long thoracic
a common entrapment site for the brachial plexus and/or the subclavian artery is between the…
pectoralis minor & the rib cage
which muscles attach onto the greater tubercle of the humerus?
supraspinatus, infraspinatus, & teres minor
which muscle is NOT a member of the rotator cuff group?
teres major
what nerve innervates the teres minor?
axillary