Mr B â€“ an elite Australian Rules Football player presents with patella-femoral pain on the left...

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Medical Sciences

Mr B â€“ an elite Australian Rules Football player presents withpatella-femoral pain on the left side. It is aggravated by runningand kicking as well as when he does squats as part of his gymprogram. Outline the biarticular muscles and structures you couldassess that may play a role in the cause of his knee pain, statingthe muscle length tests you would perform for these muscles anddetailing the combination of hip and knee movements that wouldresult in an effective length test and stretching program forhim.

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In the legs the most important biarticular muscles are the hamstrings rectus femoris of the quadricep group and the gastrocnemius Since biarticular muscles span more than one joint they are very important in running sprinting and sports in general In the legs rectus femoris slows down hip movement and converts it to knee extension The hamstrings slow down knee extention and convert it into hip extention The gastrocnemius slows down knee extension and converts into planterflexion at the ankle joint Since the main energy generators in sprinting and squatting are the monoarticular muscles glutemax and the See Answer

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