Radiographic Positioning - Lower Extremity

Medial Cuniform, right foot

Identify the number (9) in the image below

Navicular, right foot

Identify the number (10) in the image below

Talus, right foot

Identify the number (11) in the image below

Proximal Interphalangeal joint of the fifth digit of the right foot

Identify the number (15) in the image below

Tuberosity of the fifth metatarsal

Identify the number (16) in the image below

Tarsometatarsal joint space TMT

Identify the number (17) in the image below

Lateral Cuniform of the right foot

Identify the number (18) in the image below

Cuboid

Identify the number (19) in the image below

Calcaneus

Identify the number (20) in the image below

Base of the third metatarsal

Where is the central ray placed for a plantodorsal axial projection of the calcaneus?

Dorsoplantar projection

What is another term for the AP projection of the foot?

15 degrees posterior

What CR angle is generally required for the AP standing projection of the foot?

Calcaneus

What is the largest and strongest tarsal bone?

Intermediate cuneiform

The smallest of the cuneiform.

Cuboid

Identify the bone (K) in the image below.

Distal phalanx, first digit, right foot

Identify the bone (A) in the image below.

Interphalangeal joint, first digit, right foot

Identify the bone (B) in the image below.

Proximal phalanx, first digit, right foot

Identify the bone (C) in the image below.

Proximal Interphalangeal joint, first digit, right foot

Identify the bone (D) in the image below.

Medial cuniform

Identify the bone (F) in the image below.

Navicular

Identify the bone (G) in the image below.

Talus

Identify the bone (H) in the image below.

Calcaneus

Identify the bone (I) in the image below.

Lateral Cuniform

Identify the bone (J) in the image below.

Proximal interphalangeal joint

Identify the bone (L) in the image below.

30 degree medial oblique foot

Identify the image below.

Tuberosity of the base of the fifth metatarsal

Identify the area of the foot that has the fracture. The arrow points to it.

Mortise joint

An anterioposterior (AP) oblique ankle projection with the lower extremity rotated medially 15 to 20 degrees demonstrates the:

In 45-degree medial rotation

For the proximal tibiofibular articulation to be opened, the knee must be positioned:

Intercondylar fossa

Examine the image below. What is the primary anatomy of interest?

AP oblique projection of the knee, lateral rotation position

Examine the image below. What projection and position are demonstrated?

Distal Femur

Examine the image below. What anatomy is indicated by the number 1?

Patella

Examine the image below. What anatomy is indicated by the number 2?

Lateral Epicondyle

Examine the image below. What anatomy is indicated by the number 3?

Lateral Condyle

Examine the image below. What anatomy is indicated by the number 4?

Lateral tibial plateau

Examine the image below. What anatomy is indicated by the number 5?

Intercondylar eminence

Examine the image below. What anatomy is indicated by the number 6?

Head of the fibula

Examine the image below. What anatomy is indicated by the number 7?

Proximal Tibia

Examine the image below. What anatomy is indicated by the number 8?

Shaft of the fibula

Examine the image below. What anatomy is indicated by the number 9?

Tangential patella (Settegast method)

Examine the image below. Identify the projection, position, and, if appropriate, method.

Projected over the posterior aspect of the distal tibia.

With a true lateral of the ankle, the lateral malleolus is:

Rotate the lower leg/foot medially 45 degrees

To demonstrate the ankle tibiofibular joint, you would need to:

Condyles

Which femoral structures articulate with the tibia?

0 degrees

The central-ray angle for a lateral projection of the ankle is:

Lateral condyle of the tibia

Identify the anatomy indicated by the number (8).

Medial epicondyle of the femur

Identify the anatomy indicated by the number (1).

Medial condyle of the femur

Identify the anatomy indicated by the number (2).

Medial condyle of the tibia

Identify the anatomy indicated by the number (3).

Tibia

Identify the anatomy indicated by the number (4).

Medial malleolus

Identify the anatomy indicated by the number (5).

Lateral epicondyle of the femur

Identify the anatomy indicated by the number (6).

Lateral condyle of the femur

Identify the anatomy indicated by the number (7).

Head of the fibula

Identify the anatomy indicated by the number (9).

fibula

Identify the anatomy indicated by the number (10).

Lateral malleolus

Identify the anatomy indicated by the number (11).

Medial malleolus

Identify the anatomy indicated by the number (7).

Fibula

Identify the anatomy indicated by the number (1).

Tibia

Identify the anatomy indicated by the number (2).

Tibiofibular joint space

Identify the anatomy indicated by the number (3).

Malleolar fossa

Identify the anatomy indicated by the number (4).

Lateral malleolus

Identify the anatomy indicated by the number (5).

Inferior articular surface

Identify the anatomy indicated by the number (6).

Talus

Identify the anatomy indicated by the number (8).

Osgood-Schlatter disease

Which disease process of the lower extremity is defined as an incomplete avulsion of the tibial tuberosity?

15-to-20 degree medial oblique

For the mortise joint to be demonstrated, the ankle must be positioned in:

40 degrees cephalad

What was the central ray orientation for this projection?