CH.6 Merrills Lower limb
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| What is the position of part for the Lateral Femur (with the knee included)? | show 🗑
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| What is the position of part for the Lateral Femur (with the hip included)? | show 🗑
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| What is the central ray for the Lateral Femur? | show 🗑
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| What is the structures shown for the Lateral Femur? | show 🗑
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| show | A 2nd radiograph for the other end of femur is recommended,Any orthopedic,Trabecular detail on the femoral body, With the knee- Superimposed anterior surface of the femoral condyles, Patella in profile, opposite thigh, greater trochanter not prominent.
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| show | Patients with the conditions should be examined in the supine position by placing the IR vertically along the medial or lateral aspect of the thigh and knee and the directing the central ray horizontally.
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| show | Supine, pelvis is not rotated
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| Position of part for the AP Femur? | show 🗑
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| show | Proximal femur-which must include the hip joint, place the top of the IR a the level of the ASIS. Rotate limb internally 10to15 degrees to place the femoral neck in profile.
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| show | Projection of the femur, including the knee joint and/or the hip. Femoral neck not foreshortened on the proximal femur.
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| What is the position of the patient for the Tangential Projection(Settegast Method)? | show 🗑
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| What is the central ray for the Tangential Projection for the Patella? | show 🗑
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| show | Patella in profile, open patellofemoral artic., Surfaces of the femoral condyles, soft tissue, and bony detail of patella and femoral condyles
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| show | 6 feet, to reduce magnification
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| What is the position of part for Tangential Projection (Merchant Method)? | show 🗑
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| show | The right angle alignment of the IR and the central ray, the patellae are seen as nondistorded, albeit slightly magnified images.
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| What is the evaluation criteria for the Tangential projection(Merchant Method)? | show 🗑
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| What lateral projection is the Patella? | show 🗑
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| What is the postion or patient and part for the Lateral Patella? | show 🗑
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| show | Perpendicular to the IR entering the knee at the midpatellofemoral joint. Collimate to the patellar area.
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| Evaluation Criteria for the Lateral Patella? | show 🗑
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| What is the IR Size for the PA Projection for the Patella? | show 🗑
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| What is the position of part for the PA Patella? | show 🗑
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| show | Perpendicular to the midpopliteral area exiting the Patella, Collimate close to the patellar area.
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| What is the structures shown for the PA Patella? | show 🗑
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| What is the position of patient in the PA Axial (Camp-Coventry) for the Intercondylar Fossa? | show 🗑
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| show | Flex the knee to either 40-50 and rest foot on support, Center the upper half of the IR to the knee joint the central ray angulation projects the joint to the center of the IR. Adjust leg so knee has no medial or lateral rotation.
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| show | Perpendicular to the long axis of the lower leg and centered to the knee joint. Angled 40 degrees when the knee is flexed 40 degrees and 50 degrees when the knee is flexed 50 degrees.
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| show | Axial image shows unobstructed projection of the intercondyloid fossa and the medial and lateral intercondylar tubercles of the intercondylar eminence.
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| What are the four parts of the lower limb? | show 🗑
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| show | 26 Bones Total14 Phalanges5 Metatarsals7 Tarsals
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| What are the Forefoot, Midfoot, and Hindfoot and what do they contain? | show 🗑
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| What is the largest and strongest tarsal bone? | show 🗑
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| What does the talus articulates with? | show 🗑
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| What does the Trochlear surface articulate with? | show 🗑
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| show | The cuboid bone lies on the lateral side of the foot between the calcaneus and the fourth and fifth metatarsals.
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| show | The navicular bone lies on the medial side of the foot between the talus and the three cuneiforms.
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| What does the leg contain? | show 🗑
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| What is the sharp projection between the two surfaces of the the tibal plateaus? | show 🗑
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| show | Medial malleolus
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| show | The apex is the lateorposterior aspect of the head that is the conic projection
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| What is the enlarged distal end of the fibula? | show 🗑
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| Where does the lateral malleolus lie? | show 🗑
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| What is the largest, stongest, and most heaviest bone in the body | show 🗑
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| What is the patella? | show 🗑
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| Where is the apex located? | show 🗑
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| What are the three positions for the Intercondylar Fossa PA Axial (Holmblad Method)? | show 🗑
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| What is the position of part for the Intercondylar Fossa PA Axial (Holmblad Method)? | show 🗑
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| What is the Positon of part for the AP Oblique Knee (Medial)? | show 🗑
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| What is the Central Ray for AP Oblique Knee both Lateral and Medial Rotation? | show 🗑
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| show | If necessary, elevate the hip of the unaffected side enough to rotate the affected limb. Center IR 1/2 below the apex of the patella. Externally rotate the limb 45 degrees
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| show | Ask the patient to stand straight w/knees fully extended. Center the IR 1/2 below the apices of the patellae.
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| What is the position of part for the Knee Lateral? | show 🗑
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| What is the Central Ray for the Knee Lateral? | show 🗑
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| show | Directed at an angle of 5-7 caudad to exit a point 1/2 inferior to the patellar apex. B/C the tib/fib are slightly inclined, the CR will be parallel w/the tibial plateau
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| What is the position of part for the AP Oblique Leg? | show 🗑
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| What is the position of part for the Lateral Leg? | show 🗑
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| What is the position of part for the Ankle AP Oblique? | show 🗑
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| show | Grasp diatal femur area w/one hand and foot w/the other. Assist pt by internally rotating the entire leg and foot together 15-20 degrees until the intermalleolar plane is parallel w/IR.
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