|
JOINT
|
MEASUREMENT
|
PATHOLOGY
|
| ankle | calcaneal pitch | pes planus pes alta |
| ankle | boehler angle | compression of superior aspect of bone, fracture ( RID4650 ) of calcaneus or of posterior facet |
| ankle | lateral clear space | syndesmosis ( RID6088 ) injury |
| elbow | carrying angle of the elbow | gunstock deformity supracondylar fracture ( RID4650 ) |
| foot | varus hindfoot | varus hindfoot valgus hindfoot |
| foot | lateral talocalcaneal angle | varus deformity ( RID4769 ); clubfoot, cavus foot valgus deformity ( RID4768 ); congenital vertical talus, skewfoot deformities, flatfoot |
| hip | alpha angle | associated with CAM type femoral acetabular impingement |
| hip | center edge angle | dysplasia acetabular over coverage, seen in pincer type femoral acetabular impingement |
| hip | femoral version | excessive femoral anteversion common cause of in-toeing |
| hip | acetabular index or acetabular angle of sharp | acetabular dysplasia ( RID3737 ) |
| hip | femoral neck - shaft angle | coxa varus deformity ( RID4769 ) coxa valgus deformity ( RID4768 ) |
| hip | angle of inclination | reduced abduction increased dislocation |
| knee | tibial tuberosity trochlear groove distance | shows valgus component of extensor mechanism of knee; asso w/ patellar instability & trochlear dysplasia |
| knee | tibiofemoral angle | varus deformity ( RID4769 ) valgus deformity ( RID4768 ) |
| knee | tibial plateau angle | depression ( RID6344 ) due to fracture |
| spine | cobb angle | scoliosis ( RID4756 ), dextroscoliosis ( RID4757 ), levoscoliosis ( RID4758 ), kyphoscoliosis ( RID4760 ) |
| wrist | ulnar variance | negative ulnar variance, associated with keinbock positive ulnar variance, associated with ulnar abutment syndrome |
| wrist | scapholunate distance | Terry-Thomas sign; widened ( RID5797 ) carpal joint space |