Ankle Region Flashcards
Largest Weight Bearing Bone (90%)
Tibia
Non-weight bearing bone
Fibula
Ceiling of the Talocrural joint
Plafond
How many are there phalanges in the foot?
14; 2 for big toe, 3 for the rest
What are the 7 Tarsal Bones
Talus
Navicular
Calcaneus
Cuboid
Cuneiform — Lateral, Intermediate, Medial
What type of joint is the Proximal TF joint
Plane Synovial Joint
What joint is the “high ankle” joint and what type of joint is it?
Distal TF joint; Syndesmosis Joint
OPP of TF joint
Plantar Flexion
CPP of TF joint
Maximum Dorsiflexion
What is the “ankle joint” and what type of joint is it?
Talocrural joint; Uniaxial, modified synovial, hinge joint
OPP of Talocrural Joint
10 deg PF midway inversion and eversion
CPP
Max Dorsiflexion
CP of Talocrural Joint
PF DF
What type of joint is the Subtalar Joint
Synovial, multi-planar joint
OPP of Subtalar Joint
Midway between extremes of ROM
CPP of Subtalar Joint
Supination or Inversion
CP of Subtalar Joint
Limited ROM
What is structures are supported by the Midtarsal Joint
Talus-Navicular and Cuboid-Calcaneus
What type of joint is the Midtarsal joint
Chopart joint
What type of joint is the Tarsometatarsal and Intermetatarsal Joint
Plane, synovial joint
What type of joints are the MTP joints
Condyloid Synovial Joint
OPP of MTP joint
10 deg extension
CPP of MTP joint
Full extension
OPP of IP joints
Slight flexion
CPP of IP joints
full extension
Foot load during walking
1.2 x BW
Foot load during running
2 x BW
Foot load during Jumping
5 x BW
1 > 2 > 3 > 4 > 5
Index plus
1< 2 > 3 > 4 > 5
Index Minus
1 = 2 > 3 > 4 > 5
Index Plus Minus
Normal ROM for PF
0-50 deg
Normal ROM for DF
0-20 deg
Normal ROM for pronation or eversion
0-15 to 30 deg
Normal ROM for supination or inversion
0 - 45 to 60 deg