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Figure 1 | BMC Musculoskeletal Disorders

Figure 1

From: Size of cup affects the anterior capsular distance in total hip arthroplasty, as measured with ultrasound

Figure 1

Schematic drawing showing sonographic findings in THA patients. FH: prosthetic femoral head; FN: prosthetic femoral neck; AC: anterior capsule; d is the distance between the anterior capsule and the prosthetic femoral neck; 1 is the echo from the prosthetic femoral head (FH); 2 is the echo from the prosthetic femoral head (FN); 3 is the echo from the prosthetic collar (not always present).

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