Term
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Definition
Inversion
Plantarflextion
Adduction |
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Term
|
Definition
Eversion
Dorsiflexion
Abduction |
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Term
| What is neutral position? |
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Definition
| Position of joint from which maximum function may occur in any of the permissible direction |
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Term
| Is that true Neural position is normal? |
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Definition
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Term
| What is the axis of rotation? |
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Definition
perpendicular to the plane of motion
it is located at intersection of 2 body planes, 100% of motion occurs in the third body plane |
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Term
| What are two bones made of ankle joints? |
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Definition
| Tibio and talar: tibio-talar joint |
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Term
| What is the main sagittal plane motion of ankle joint? |
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Definition
| sagittal plane motion at the foot and leg interface |
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Term
| What are the degree that axis of motion of ankle joint relative to three plane of motions? |
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Definition
Transverse: 8
Sagittal: 82
Frontal: 20-30 |
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Term
| What is the ratio between axis of motion of sagittal plane to transverse plane? |
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Definition
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Term
| What movements are composed in DF of Ankle joint? |
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Definition
| Abduction and slight eversion |
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Term
| What movements are composed in PF of Ankle joint? |
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Definition
| Adduction and slight Inversion |
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Term
| What soft tissue tension limit plantarflexion of ankle joint? |
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Definition
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Term
| What osseous block plantarflexion of ankle joint? |
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Definition
| post. tubercle of talus limits PF |
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Term
| What soft tissue tensions block dorsiflexion of ankle joint? |
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Definition
Triceps surae
Post talo-fib ligament
Post portion of deltoid |
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Term
| What osseous block dorsiflecion of ankle joint? |
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Definition
| ant. surface of talar trochlear surface in contact with distal tibia and fibula |
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Term
| Describe plantar flexion of ankle joint in closed chain? |
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Definition
| foot is planted with backward movement and external rotation of tibia |
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Term
| Describe dorsiflexion of ankle joint in closed chain? |
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Definition
| foot is planted with forward movement and internal rotation of tibia |
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Term
| What is the normal range of PF of ankle joint? |
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Definition
|
|
Term
| What is the normal range of DF of ankle joint? |
|
Definition
|
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Term
| What is the normal range of ankle joint needed for gait? |
|
Definition
PF:10-15
DF:10 (5 minimum) |
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Term
| What is Calcaneovalgus, dude? |
|
Definition
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Term
|
Definition
| Inadequate DF with compensation of toe walking, early heel lift, pronating the STJ and MTJ to gain DF at distal joints |
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Term
| What bones made of subtalar joint? |
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Definition
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Term
| What facets of subtler joint determines axis of subtalar joint? |
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Definition
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Term
| What are three facets of of subtalar joint? |
|
Definition
|
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Term
| What injury involved cervical ligament? |
|
Definition
|
|
Term
| What injury involved interosseous ligament? |
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Definition
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Term
| What are the axis of motion of subtalar joint? |
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Definition
| Pronatory/supinatory axis (so triplanar) |
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|
Term
| Describe rotation at STJ? |
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Definition
| convert Transverse to Frontal plane motion via MITERED HINGE |
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|
Term
| What are axis of motion position relative to three plane of motion? |
|
Definition
Transverse:42
Frontal:48
Sagittal:16
frontal/transverse clinically considered equal |
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Term
| What are the ratio between subtalar joint axis of motion in position to plane of motion? |
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Definition
3:1=transverse and frontal to sagittal
1:1= transverse to frontal |
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Term
| What is the prominent movement if axis of motion deviate more from transverse plane? |
|
Definition
| Increase in Addcution-Abduction |
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Term
| What is the prominent movement if axis of motion deviate more from frontal plane? |
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Definition
| Increase in Inversion-eversion |
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Term
| What movements involved in subtalar joint open-chain pronation? |
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Definition
|
|
Term
| What movements involved in subtalar joint open-chain supination? |
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Definition
|
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Term
| What movements involved in subtalar joint closed-chain pronation? |
|
Definition
Eversion
PF
Adduction
Associated w/Internal rotation of leg
Only Talus moves in closed chain |
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|
Term
| What movements involved in subtalar joint closed-chain supination? |
|
Definition
Inversion
DF
Abduction
Associate w/External rotation of Leg |
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|
Term
| What midtarsal (chopart's or transverse tarsal) joint composed of? |
|
Definition
2 anatomincal joints:
talonavicular
calcaneocuboid |
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Term
| What are the angles of longitudinal axis deviate from three motion planes? |
|
Definition
Transverse 15-ab/adduction
Sagittal 9-PF/DF) |
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|
Term
| What is the primary motion in longitudinal axis of midtarsal joint? |
|
Definition
|
|
Term
| What are open chain motions on longitudinal axis of midtarsal joint? |
|
Definition
Eversion of forefoot with pronation,
inversion of forefoot with supination |
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|
Term
| What are closed chain motions on longitudinal axis of midtarsar joint? |
|
Definition
Pronation of rearfoot with supination of forefoot
Supination of rear foot with pronation of forefoot |
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|
Term
| What are the angles of oblique axis deviate from three motion planes? |
|
Definition
Transverse= 52
Sagittal= 57
Less deviation from frontal plane |
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|
Term
| What is the primary motion in oblique axis of midtarsal joint? |
|
Definition
| Motion primarily in transverse and sagittal plane! |
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|
Term
| How is oblique axis of motion compare to axis of motion in ankle joint? |
|
Definition
| It is considered "Secondary Ankle Joint" |
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Term
| What are open chain motions on obliques axis of midtarsal joint? |
|
Definition
Pronation-DF/ABduction of forefoot on the rear foot w/pronation
Supination- PF/ADduction of forefoot on the rearfoot w/supination |
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|
Term
| What are closed chain motions on oblique axis of midtarsar joint? |
|
Definition
Pronation-PF/ADuction of forefoot on the rearfoot w/pronation
Supination: DF/ABduction of forefoot on the rear foot w/ supinaiton |
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|
Term
| What joints in the foot control MTJ and how? |
|
Definition
STJ
STJ pronated= Unlocked (increase MTJ range of motion)
STJ supinated=Locked (decrease MTJ range of motion) |
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|
Term
| What joint is lock in midtarsal joint? |
|
Definition
calcaneocuboid joint when STJ supination
Not parallel, decrease MTJ range of motion
Midtarsal oblique axis stability |
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|
Term
| What are closed chain range of motion in STJ pronation relative to long axis of midtarsal joint position? |
|
Definition
| Lead to unlocks midfoot and lead to Long Axis MTJ supination |
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|
Term
| What are closed chain range of motin in STJ supination relative to long axis of midtarsal joint? |
|
Definition
| lead to lock midfoot and lead to Long Axis MTJ pronation |
|
|
Term
| What are closed chain range of motion in STJ pronation relative to oblique axis of midtarsal joint position? |
|
Definition
| Lead to unlocks midfoot and lead to Oblique axis MTJ pronation |
|
|
Term
| What are closed chain range of motion in STJ subpination relative to oblique axis of midtarsal joint? |
|
Definition
| Lead to lock midfoot and lead to Oblique axis MTJ supination |
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|
Term
| What is the relationship of motion on longitudinal of axis midtarsal joint compare to STJ? |
|
Definition
| Opposite Pronation/Supination |
|
|
Term
| What is the relationship of motion on oblique axis of midtarsal joint compare to STJ? |
|
Definition
| Same Pronation/Supination |
|
|
Term
| Position of MTJ during gait, determined by: ground reaction forces, activity of muscles |
|
Definition
|
|
Term
| What are the motion during swing phase open chain of longitudinal axis of midtarsal joint? |
|
Definition
|
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Term
| What are the motion during swing phase open chain of oblique axis of midtarsal joint? |
|
Definition
| Pronated, DF and ABducted |
|
|
Term
| What are the motion during early contact (heel strike) open chain of longitudinal axis of midtarsal joint? |
|
Definition
| Supinated, inverted (from pull of anterior tibial) |
|
|
Term
| What are the motion during early contact (heel strike) open chain of oblique axis of midtarsal joint? |
|
Definition
| Pronated, DF and Abducted |
|
|
Term
| What are the motion during Late contact phase closed chain of longitudinal axis of midtarsal joint? |
|
Definition
Supinated, Inverted
Pronated, DF and Abducted |
|
|
Term
| What are the motion during Late contact phase closed chain of oblique axis of midtarsal joint? |
|
Definition
| Pronated, DF and Abducted |
|
|
Term
| What are the motion during Midstance phase closed chain of longitudinal axis of midtarsal joint? |
|
Definition
|
|
Term
| What are the motion during Midstance phase closed chain of oblique axis of midtarsal joint? |
|
Definition
| Pronated, DF and Abducted |
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