The lines for determining the critical angle of Gissane extend through the posterior talar articular surface (between the calcaneus and the talus) and angles at the point of the tarsal sinus over towards the highest point of the anterior surface for the cuboid bone. This angle should be between 130-145 degrees.Keeping this in consideration, how do you measure Bohler's angle?
Böhler's angle can be measured with the use of two intersecting lines: one drawn from anterior process of the calcaneus to the highest part of posterior articular surface and a second drawn from the same point of posterior articular surface to the most superior point of tuberosity.
Additionally, what is Bohler's angle? Böhler angle, also written as Bohler angle or Boehler angle, is also called the calcaneal angle or tuber joint angle 1, and is the angle between two lines tangent to the calcaneus on the lateral radiograph. These lines are drawn tangent to the anterior and posterior aspects of the superior calcaneus.
Then, how do you measure a Talocalcaneal angle?
The talocalcaneal angle, also known as the kite angle, refers to the angle between lines drawn down the axis of the talus and calcaneus measured on a weight-bearing DP foot radiograph. This angle varies depending on the position of the calcaneus under the talus and the stiffness of the ligaments of the foot.
What is the anterior process of the calcaneus?
Clinical Presentation. The anterior process of the calcaneus is a prominence on the heel bone (calcaneus) that is located in front and to the outside of the ankle (Figure 1). Fractures of the anterior process of the calcaneus occur following an acute injury to the foot.
What is a calcaneal fracture?
A calcaneal fracture is a break of the calcaneus (heel bone). Symptoms may include pain, bruising, trouble walking, and deformity of the heel. It may be associated with breaks of the hip or back. It usually occurs when a person lands on their feet following a fall from a height or during a motor vehicle collision.What bones does the calcaneus articulate with?
The calcaneus, also referred to as the calcaneum, (plural: calcanei or calcanea) is the largest tarsal bone and the major bone in the hindfoot. It articulates with the talus superiorly and the cuboid anteriorly and shares a joint space with the talonavicular joint, appropriately called the talocalcaneonavicular joint.Where is the calcaneal tuberosity?
The half of the bone closest to the heel is the calcaneal tuberosity. On its lower edge on either side are its lateral and medial processes (serving as the origins of the abductor hallucis and abductor digiti minimi).What is hindfoot varus?
Hindfoot varus describes a relatively varus position of the calcaneus which is adducted and rotated under the talus. This is best appreciated on a weightbearing DP foot radiograph as a relative reduction in the angle formed between the mid-talar and mid-calcaneal axes (the talocalcaneal angle).What is hindfoot valgus?
Hindfoot valgus refers to malalignment of the hindfoot in which the mid-calcaneal axis is deviated away from the midline of the body. On the DP view, this results in an increase in the angle between the mid-calcaneal axis and the mid-talar axis (talocalcaneal angle) 1.What is Peritalar subluxation?
The term peritalar subluxation (PTS) for adult acquired flatfoot deformity (AAFD) was popularized by Dr. Sigvard Hansen Jr. It comprises part of the 3-dimensional and complex distortion that occurs in patients with AAFD and is characterized by subluxation of the hindfoot through the triple joint complex 2 - 7.What is congenital vertical talus?
Vertical talus is a rare deformity of the foot which is diagnosed at the time of birth. Because babies are born with the condition, it is also known as congenital vertical talus. It is one of the causes of a flatfoot in the newborn. One foot, or both feet, may be affected.What is Meary's angle?
Meary's angle or talus-first metatarsal angle has been used to identify the apex of deformity in patients with pes cavus and pes planus on lateral weight-bearing foot radiographs. It is the angle between a line drawn from the centers of longitudinal axes of the talus and the first metatarsal.Why is it called Lover's fracture?
The name "lover's fracture" is derived from the fact that a suitor may jump from great heights while trying to escape from the lover's spouse 2. There is an important association between lover's fractures and burst fractures of the lumbar spine.What is a tongue type calcaneal fracture?
Tongue-type calcaneus fractures are longitudinal fractures that exit the calcaneal tuberosity posteriorly and involve a portion of the articular surface. They are often superiorly displaced because of the insertion of the Achilles tendon and pull of the gastroc-soleus complex.How is a calcaneus fracture treated?
Nonsurgical treatment may be recommended if the pieces of broken bone have not been displaced by the force of the injury. Immobilization. A cast, splint, or brace will hold the bones in your foot in proper position while they heal. You may have to wear a cast for 6 to 8 weeks — or possibly longer.How long does pain last after calcaneus fracture?
How long does it take for a broken heel bone to heal? If your injury is minor, such as a crack in the bone with little muscle damage, you may be able to resume normal activities from 3 to 4 months after surgery. If your fracture is severe, however, it may take from 1 to 2 years before recovery is complete.How painful is a calcaneal fracture?
Symptoms. Some calcaneal fractures are obvious, resulting in an inability to put weight on the heel, swelling of the heel and bruising of the heel and ankle. Pain is usually severe enough to require an emergency room visit. If the fracture is caused by a stress fracture, over time, then symptoms may be far more vague.What is a lateral process?
A lateral process fracture of the talus is a fracture of the lower bone of the ankle on the outside (lateral) aspect of this bone. It typically occurs when the foot is jammed suddenly, and the outside of the lower ankle bone (talus) is pushed heavily against the adjoining bone (fibula).Where is the Calcaneocuboid joint?
Medical Definition of Calcaneocuboid joint Calcaneocuboid joint: The joint located in the foot between the calcaneus bone and the cuboid bone. It is a gliding type of joint.What is an avulsion fracture?
An avulsion fracture occurs when a tendon or ligament that is attached to the bone pulls a piece of the fractured bone off. Avulsion fractures can happen anywhere in the body but are most common in the ankle, hip, finger, and foot. They are more common in children than adults, but often affect adults who play sports.Where is the Sustentaculum Tali located?
The sustentaculum tali, or more simply, the sustentaculum, is a large, blocky outcropping situated on the lower medial side of the calcaneus. Functionally, the sustentaculum serves as a leverage point for the deep digital flexor tendon (also referred to as the lateral digital flexor tendon). 
