Articulations & Body Movements Flashcards
3 structural classes of joints
fibrous
cartilaginous
synovial
‘immovable’
synarthrosis
‘slightly movable’
amphiarthrosis
‘freely movable’
diarthrosis
fibrous joints: ___arthrosis
synarthrosis
cartilaginous joints: ____arthrosis
amphiarthrosis
synovial joints: ____arthrosis
diarthrosis
3 types of cartilaginous joints
synchondrosis
symphyses
symphysis
2 types of fibrous joints
suture
syndesmosis
3 types of synovial joints
uniaxial synovial joint
biaxial synovial joint
multiaxial synovial joint
definition of a joint cavity
space between the articulating bones which contains synovial fluid
definition of articular cartilage
hyaline cartilage covering surfaces of articulating bones
definition of articular capsule
two layers that enclose the joint cavity
two parts of articular capsule
fibrous layer (dense connective tissue) synovial membrane (loose connective tissue)
definition of synovial fluid
viscous fluid in the joint cavity that acts as a lubricant
definition of reinforcing ligaments
ligaments that reinforce joints; can be capsular, extracapsular, or intracapsular
definition of articular discs
pads composed of fibrocartilage that minimize wear and tear on bone surfaces
definition of bursa
sac filled with synovial fluid that reduces friction where structures rub together
definition of tendon sheath
bursa that wraps around a tendon
a nonaxial synovial joint
plane joint
plane joints offer _____ movement
gliding
two types of uniaxial synovial joints
hinge joint
pivot joint
hinge joints offer _______ and _______ movement
flexion & extension
pivot joints offer _______ movement
rotation
two types of biaxial synovial joints
condylar joint
saddle joint
condylar joints offer these 4 types of movement
flexion & extension
adduction & abduction
saddle joints offer these 4 types of movement
flexion & extension
adduction & abduction
a multiaxial synovial joint
ball-and-socket joint
ball-and-socket joints offer these 5 types of movement
flexion & extension
adduction & abduction
rotation
you look down at the ground — this movement is _______
flexion
you pick your head up from looking down — this movement is _______
extension
you look up at the sky — this movement is _______
hyperextension
you raise your arm to give someone a high-five — this movement is _______
flexion
you put your arms behind you like iron man flying — this movement is _______
hyperextension
you pick your leg up like a horse getting its hoof cleaned — this movement is _______
flexion
you raise your arms up to your sides like an airplane — this movement is _______
abduction
you hold your arms against your sides — this movement is _______
adduction
you wave your arms in circles — this movement is _______
circumduction
you shake your head — this movement is _______
rotation
you turn your foot out — this movement is _______
lateral rotation
you turn your foot inward — this movement is _______
medial rotation
you turn your hands up like you’re holding soup — this movement is _______
supination
you turn your hands downward like you’re pouring soup — this movement is _______
pronation
you turn your foot inward like you’re rolling your ankle — this movement is _______
inversion
you turn your foot outward — this movement is _______
eversion
you turn your foot up like you’re going to kick with the ball of your foot — this movement is _______
dorsiflexion
you point your foot — this movement is _______
plantar flexion
ligament connecting the fibula to the femur
fibular collateral ligament
ligament connected to the lateral condyle of the femur
anterior cruciate ligament
ligament connecting the patella to the tibia
patellar ligament
tendon connecting the patella to the quadriceps femoris
quadriceps tendon
ligament behind the anterior cruciate ligament
posterior cruciate ligament
ligament connecting the tibia to the femur
tibial collateral ligament
small tendon superior to the tibial collateral ligament
tendon of adductor magnus
large ligament covering the entire region behind the knee
oblique popliteal ligament
tendon connected to medial side of tibia behind the knee
tendon of semimembranosus muscle
ligament leading from fibula to oblique popliteal ligament
arcuate popliteal ligament
ligament between the acromion & coracoid process of the scapula
coracoacromial ligament
ligament between the humerus and the coracoid process
coracohumeral ligament
ligament emerging between the coracohumeral ligament and the tendon of long head of biceps brachii muscle
transverse humeral ligament
ligaments reinforcing articular capsule of shoulder joint
glenohumeral ligaments