Arthrokinematic review Flashcards
describe the arthrokinematics at the atlanto-occipital joint?
convex (occipital condyle) on concave (superior facets of atlas)
opposite roll and glide/slide
describe the arthrokinematics at the atlanto-axial joint
inferior facet of atlas/superior facet of axis
gliding → ipsilateral posterior glide with contralateral anterior glide
describe the arthrokinematics that occur during flexion/extension of C3-C7
flexion = inferior facet (of superior vertebrae) glides anterior and superior to superior facet (of inferior vertebrae)
extension = inferior facet (of superior vertebrae) slides posterior and inferior to superior facet (of inferior vertebrae)
describe the arthorkinematics that occur during rotation in C3-C7
same side as rotation = inferior facet glides posterior and slightly inferior
opposite side as rotation = inferior facet glides anterior and slightly superior
descibe the arthrokinematics that occur during lateral flexion of C3-C7
same side - inferior facet glides inferior and slightly posterior
opposite side - inferior facet glides superior and slightly anterior
describe the arthrokinematics of R rotation of C4-5
R (ipsilateral) C4 facet glides posterior and slightly inferior on C5 facet
L (contralateral) C4 facet glides anterior and slighly superior on C5 facet
what are the arthokinematic motions that occur at the intervertebral joints with each osteokinematic motion?
- approximation/distraction and gliding
- tipping
what are the arthokinematic motions that occur at each facet joint with each osteokinematic movement?
approximation/gapping and gliding
describe the arthrokinematics for flexion in the thoracic spine at the intervertebral and facet joints
- facet joint
- anterior and superior glide bilaterally
- intervertebral
- anterior tilting of superior vertebrae
describe the arthrokinematics for extension in thoracic spine at the intervertebral and facet joints
- facets
- posterior and inferior glide
- intervertebral
- posterior tilting of superior vertebrae
describe the arthrokinematics for L sidebending in the thoracic spine at the facet and intervertebral body joints
- facets
- contralateral facet → superior glide
- ipsilateral facet → inferior glide
- intervertebral body
- lateral tilt to the L
describe the arthrokinematics for R rotation in the upper thoracic spine at the facet and intervertebral body joints
- facet
- contralateral side → anterior slide with superio glide
- ipsilateral side → posterior slide with inferior glide
- interbody
- R rotation
describe the arthrokinematics for L rotation in the lower thoracic spine at the facet and interbody joints
- facets
- contralateral → anterior glide with inferior glide
- ipsilateral → posterior glide with superior glide
- interbody
- rotate to the L
describe the arthrokinematics for flexion in the lumbar spine at the facet and interbody joints
- facets
- anterior and superior gliding (gapping)
- interbody
- anterior tilting
describe the arthrokinematics during extension of the lumbar spine at the facet and interbody joints
- facets
- posterior and inferior glide (approximating)
- interbody
- posterior tilt
describe the arthrokinematics during L3-L4 R sidebending at the facet and interbody joints
- facet
- contralateral side → superior glide
- ipsilateral side → inferior glide
- interbody
- R tilt
if you are starting with a neutral Lumbar spine
where would facet gapping occur during L sidebending?
- gapping → ipsilateral side (L)
- approximation → contralateral side (R)
describe the arthrokinematics during L rotation of the L2-L3 at the facets and interbody joints
- facets
- contralateral side → anterior slide (approximate if started in neutral)
- ipsilateral side → posterior slide (gap if started in neutral)
- interbody
- L rotation
what is nutation?
sacral promontory → moves anteriorly and inferiorly
sacral apex → moves posteriorly and superiorly
what is counternutation?
sacral promontory → moves posteriorly and superiorly
sacral apex → moves anteriorly
describe the arthrokinematics of the SC joint during elevation/depression
convex on concave
elevation = lateral clavicle rotates upward (superior roll, inferior glide)
depression = lateral clavicle rotates downward (inferior roll, superior glide)
describe the arthrokinematics of the SC joint during protraction/retraction
concave on convex
protraction = lateral clavicle moves anterior (anterior roll and glide)
retraction = lateral clavicle moves posterior (posterior roll and glide)
describe the arthrokinematics for each osteokinematic motion at the GH joint
convex on concave
(roll and glide will be opposite for every motion)
what is the normal carrying angle of the elbow?
8-15 degrees
describe the arthrokinematics at the humeroulnar and humeroradial joint
concave on convex
roll and slide in same direction
At the humeroulnar joint, what is the:
closed pack position
open pack position
capsular pattern
closed = full extension and supination
open = flexed 70 degrees, supinated 10 degrees
capsular pattern = flexion > extension
at the humeroradial joint, what is the following:
closed pack position
open pack position
capsular pattern
closed = 90 degrees of elbow flexion and 5 degrees of supination
open = full extension and supination
capsular pattern = flexion > extension
how is the arthrokinematics different at the proximal and distal radioulnar?
proximal = convex on concave
distal = concave on convex
describe the arthrokinematics that occur at the radiocarpal and midcarpal joints
convex on concave = roll is opposite of slide
describe the arthrokinematics at the 1st CMC joint
flexion/extension = concave on convex (M/L roll with glide)
ADB/ADD = convex on concave
describe the arthrokinematics at the MCP joints
concave on convex
roll and glide same direction
describe the arthrokinematics at the IP joints
concave on convex
palmar/dorsal roll with anterior/posterior glide
(in same direction)
describe the arthrokinematics of the hip during an OKC motion
Convex on Concave
opposite roll and slide
describe the arthrokinematics of hip IR/ER during an OKC motion
IR = anterior roll, posterior glide
ER = posterio roll, anterior glide
describe the arthrokinematics of the pelvic during an CKC movement
Concave on Convex
roll and glide in same direction
describe the arthokinematics of the tibiofemoral joint during a CKC motion
convex femoral condyle moves on concave tibial plateau
opposite roll and glide
describe the arthrokinematics of the tibiofemoral joint during an OKC movement
concave tibial plateau moves on convex femoral condyle
roll and glide in same direction
what occurs during the screw home mechanism at the knee?
10° of tibial ER
needed for terminal knee extension
what occurs during the unlocking mechanism of the knee joint?
popliteus IR the tibia prior to flexion
when does S/I glide of the patella occur?
superior = knee extension
inferior = knee flexion
what is the arthrokinematic rule during OKC motion at the talocrural joint?
convex talus moves on concave tibiofibular mortise
what moves on what during weight bearing at the subtalar joint?
talus moves on calcaneus
during weight bearing, what motions couple to allow for supination?
- calcaneus inverts
- talus abducts
- talus dorsiflexes
- tibiofibular lateral rotation
during weight bearing, what motions couple to produce pronation?
- calcaneus everts
- talus adducts and plantarflexes
- tibiofibular medial rotation
what moves on what during non-weight bearing motions at the subtalar joint?
calcaneus moves on the talus
during non-weight bearing motions, what movements couple together to produce supination at the subtalar joint?
calcaneus adduction, inversion, and plantarflexion
during non-weight bearing motions, what movements couple together to produce pronation at the subtalar joint?
calcaneus abduction, dorsiflexion and eversion
what is the arthrokinematic rule for the MTP joints?
Concave on Convex
roll and glide in same direction
what is the arthokinematic rule for the IP joints?
Concave on Convex
roll and glide in same direction
describe the arthrokinematics at the atlanto-occipital joint?
convex (occipital condyle) on concave (superior facets of atlas)
opposite roll and glide/slide
describe the arthrokinematics at the atlanto-axial joint
inferior facet of atlas/superior facet of axis
gliding → ipsilateral posterior glide with contralateral anterior glide
describe the arthrokinematics that occur during flexion/extension of C3-C7
flexion = inferior facet (of superior vertebrae) glides anterior and superior to superior facet (of inferior vertebrae)
extension = inferior facet (of superior vertebrae) slides posterior and inferior to superior facet (of inferior vertebrae)
describe the arthorkinematics that occur during rotation in C3-C7
same side as rotation = inferior facet glides posterior and slightly inferior
opposite side as rotation = inferior facet glides anterior and slightly superior
descibe the arthrokinematics that occur during lateral flexion of C3-C7
same side - inferior facet glides inferior and slightly posterior
opposite side - inferior facet glides superior and slightly anterior
describe the arthrokinematics of R rotation of C4-5
R (ipsilateral) C4 facet glides posterior and slightly inferior on C5 facet
L (contralateral) C4 facet glides anterior and slighly superior on C5 facet
what are the arthokinematic motions that occur at the intervertebral joints with each osteokinematic motion?
- approximation/distraction and gliding
- tipping
what are the arthokinematic motions that occur at each facet joint with each osteokinematic movement?
approximation/gapping and gliding
describe the arthrokinematics for flexion in the thoracic spine at the intervertebral and facet joints
- facet joint
- anterior and superior glide bilaterally
- intervertebral
- anterior tilting of superior vertebrae
describe the arthrokinematics for extension in thoracic spine at the intervertebral and facet joints
- facets
- posterior and inferior glide
- intervertebral
- posterior tilting of superior vertebrae
describe the arthrokinematics for L sidebending in the thoracic spine at the facet and intervertebral body joints
- facets
- contralateral facet → superior glide
- ipsilateral facet → inferior glide
- intervertebral body
- lateral tilt to the L
describe the arthrokinematics for R rotation in the upper thoracic spine at the facet and intervertebral body joints
- facet
- contralateral side → anterior slide with superio glide
- ipsilateral side → posterior slide with inferior glide
- interbody
- R rotation
describe the arthrokinematics for L rotation in the lower thoracic spine at the facet and interbody joints
- facets
- contralateral → anterior glide with inferior glide
- ipsilateral → posterior glide with superior glide
- interbody
- rotate to the L
describe the arthrokinematics for flexion in the lumbar spine at the facet and interbody joints
- facets
- anterior and superior gliding (gapping)
- interbody
- anterior tilting
describe the arthrokinematics during extension of the lumbar spine at the facet and interbody joints
- facets
- posterior and inferior glide (approximating)
- interbody
- posterior tilt
describe the arthrokinematics during L3-L4 R sidebending at the facet and interbody joints
- facet
- contralateral side → superior glide
- ipsilateral side → inferior glide
- interbody
- R tilt
describe the arthrokinematics during L rotation of the L2-L3 at the facets and interbody joints
- facets
- contralateral side → anterior slide (approximate if started in neutral)
- ipsilateral side → posterior slide (gap if started in neutral)
- interbody
- L rotation
describe the arthrokinematics of the SC joint during elevation/depression
convex on concave
elevation = lateral clavicle rotates upward (superior roll, inferior glide)
depression = lateral clavicle rotates downward (inferior roll, superior glide)
describe the arthrokinematics of the SC joint during protraction/retraction
concave on convex
protraction = lateral clavicle moves anterior (anterior roll and glide)
retraction = lateral clavicle moves posterior (posterior roll and glide)
describe the associated arthrokinematics for the osteokinematic motions at the AC joint
none are well defined
describe the arthrokinematics for each osteokinematic motion at the GH joint
convex on concave
(roll and glide will be opposite for every motion)
describe the arthrokinematics at the humeroulnar and humeroradial joint
concave on convex
roll and slide in same direction
how is the arthrokinematics different at the proximal and distal radioulnar?
proximal = convex on concave
distal = concave on convex
describe the arthrokinematics that occur at the radiocarpal and midcarpal joints
convex on concave = roll is opposite of slide
describe the arthrokinematics at the 1st CMC joint
flexion/extension = concave on convex (M/L roll with glide)
ADB/ADD = convex on concave
describe the arthrokinematics at the MCP joints
concave on convex
roll and glide same direction
describe the arthrokinematics at the IP joints
concave on convex
palmar/dorsal roll with anterior/posterior glide
(in same direction)
describe the arthrokinematics of the hip during an OKC motion
Convex on Concave
opposite roll and slide
describe the arthrokinematics of hip IR/ER during an OKC motion
IR = anterior roll, posterior glide
ER = posterio roll, anterior glide
describe the arthrokinematics of the pelvic during an CKC movement
Concave on Convex
roll and glide in same direction
describe the arthokinematics of the tibiofemoral joint during a CKC motion
convex femoral condyle moves on concave tibial plateau
opposite roll and glide
describe the arthrokinematics of the tibiofemoral joint during an OKC movement
concave tibial plateau moves on convex femoral condyle
roll and glide in same direction
what is the arthrokinematic rule during OKC motion at the talocrural joint?
convex talus moves on concave tibiofibular mortise
what is the arthrokinematic rule for the MTP joints?
Concave on Convex
roll and glide in same direction
what is the arthokinematic rule for the IP joints?
Concave on Convex
roll and glide in same direction