What is the normal neck-shaft angle?
120 degrees to 136 degrees
The neck-shaft angle ranges from 120 degrees to 136 degrees with a mean of 126.7 degrees and no significant side difference.
What is shaft angle?
: an enriched corner bead often having a capital or base or both.
What is a CCD angle?
The angle between the longitudinal axes of the femoral neck and shaft, called the caput-collum-diaphyseal angle (CCD angle), normally measures approximately 150 degrees in newborns and 126 degrees in adults (coxa norma).
Why is the shaft of the femur angled?
This angle is unique to humans, and serves to place the knee and foot under the body’s center of gravity during single support phase of gait. Hip joints are set lateral to the body’s midline, so this angle allows the lower limb to be aligned with the center of gravity.
What is the normal angle between the femoral neck and the femoral shaft?
A known normal range of the caput-collum-diaphyseal (CCD) angle is generally considered 125°-135° 3, with a global mean of 126.4° and standard deviations are approximately 5.6° measured with a 360° goniometer in anatomical studies 4.
What degree angle is a golf swing?
A driver typically has a swing plane between 45-50 degrees. Technical Definition: Swing Plane – The vertical angle of the plane relative to the horizon defined by the club head’s center of gravity movement prior to impacting the golf ball.
What is the cervical diaphyseal angle?
Abstract: Background: Cervico- diaphyseal angle or neck-shaft angle is the angle made by the neck of the femur with the femoral shaft. Results: The neck-shaft angle of femur is measured in100 dry bones and the mean value is calculated as 134.56 degrees.
What is the shaft of the femur?
The long, straight part of the femur is called the femoral shaft. When there is a break anywhere along this length of bone, it is called a femoral shaft fracture. This type of broken leg almost always requires surgery to heal. The femoral shaft runs from below the hip to where the bone begins to widen at the knee.
What is a normal femoral angle?
Femoral anteversion averages between 30-40° at birth, and between 8-14° in adults 1, with males having a slightly less femoral anteversion than females 2.
When to use the femoral neck shaft angle?
The femoral head-neck-shaft angle is used in the diagnosis and therapeutic or rather surgical planning of several pathological conditions including the following 1: The femoral head-neck-shaft angle (NSA) angle is influenced by femoral rotation, which might lead to measurement errors if not considered 1,2.
What causes an increase in Southwick’s head shaft angles?
Clinically established epiphysiolysis is associated with a decrease in anteroposterior angles and an increase in Lauenstein angles. Obesity is one of the factors involved in the development of SCFE, but its influence in Southwick’s angles has not been previously described.
How is the longitudinal axis of the femoral shaft determined?
The longitudinal femoral shaft axis is determined by two bisections of the femoral shaft at different locations 1. Due to the susceptibility of angle measurements to rotation and to account for the usual femoral anteversion an internal rotation of the feet of 15°-20° is recommended for the standardized acquisition of the pelvis (AP view) 1.