The relationship between additional heads of the quadriceps femoris, the vasti muscles, and the patellar ligament

<div>Extracted vastus lateralis from tensor vastus intermedius. Lateral view. SVL: superficial part of the vastus lateralis; IVL: intermediate part of the vastus lateralis; DVL: deep part of the vastus lateralis; P: patella; PT: patellar tendon; TVI: tensor vastus intermedius.</div>

BioMed Research International

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Figure 5

Figure 5: The relationship between additional heads of the quadriceps femoris, the vasti muscles, and the patellar ligament 