Background: In this case report we present a case of both vastus lateralis and intermedialis sprain in basketball athlete young male who presented to the clinic with loss of knee motion, anterior knee pain and tense anterior thigh.
Case report: We present a young male in his early twenties, who was engaged in recreational sports activities regularly and practice basketball as professional player. He sustained a direct blow to his right thigh by direct trauma while playing basketball, and then suddenly experienced severe pain with minor tingling sensation. No other injuries were noted at the time. Later, he developed anterior knee pain and significant loss of knee motion and by the end of the day his anterior thigh became tense with very severe pain.
Conclusion: The quadriceps injury among athletes is common as combined injury of the two heads of quadriceps and very rare as an isolated one head of quadriceps and the best treatment of such injury is to prevent it.