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The terminology is made confusing by the etymology of these words. The terms varus and valgus are both Latin, but confusingly, their Latin meanings conflict with their current usage. In current usage, as noted above, a varus deformity of the knee describes bowed legs, but in the original Latin, varus meant "knock-kneed."
A chihuahua with a valgus deformity in the left forelimb. Valgus is a term for outward angulation of the distal segment of a bone or joint. The opposite condition is called varus, which is a medial deviation of the distal bone. The terms "varus" and "valgus" always refer to the direction in which the distal segment of the joint points.
On projectional radiography, the degree of varus or valgus deformity can be quantified by the hip-knee-ankle angle, [7] which is an angle between the femoral mechanical axis and the center of the ankle joint. [8] It is normally between 1.0° and 1.5° of varus in adults. [9] Normal ranges are different in children. [10]
The hallux valgus angle (HVA) is the angle between the long axes of the proximal phalanx and the first metatarsal bone of the big toe. It is considered abnormal if greater than 15–18°. [11] The following HV angles can also be used to grade the severity of hallux valgus: [12] [unreliable medical source?] Mild: 15–20° Moderate: 21–39 ...
This is a list of roots, suffixes, and prefixes used in medical terminology, their meanings, and their etymologies. Most of them are combining forms in Neo-Latin and hence international scientific vocabulary. There are a few general rules about how they combine.
Valgus stress test can be performed with the examined knee in 25 degrees flexion to determine the integrity of the medial collateral ligament. Similarly, varus stress test can be performed to access the integrity of the lateral collateral ligament. The degree of collateral ligament sprain can also be assessed during the valgus and varus tests.
The term encompasses any condition in such an animal wherein a limb is not straight. [3] It most commonly occurs in the carpal joint of the forelimbs, manifesting as the limb pointing outward (carpal valgus) or inward (carpal varus), deviating from normal development. [4]
Genu recurvatum is a deformity in the knee joint, so that the knee bends backwards.In this deformity, excessive extension occurs in the tibiofemoral joint.Genu recurvatum is also called knee hyperextension and back knee.