QuestionSBA
QuestionChoice
The sciatic nerve primarily innervates the posterior thigh and lower leg muscles. It is not responsible for knee extension or the sensory loss described in this question.
10024216
b
Sciatic nerve
QuestionChoice
The genitofemoral nerve primarily provides sensory innervation to the genital region and the upper thigh. It is not responsible for knee extension.
10024219
e
Genitofemoral nerve
QuestionChoice
The obturator nerve innervates the medial thigh and is not responsible for knee extension. It does not match the pattern of symptoms described in this question.
10024217
c
Obturator nerve
QuestionChoice
The lateral femoral cutaneous nerve is responsible for providing sensation to the lateral thigh but does not control knee extension or innervate the areas described in this question.
10024218
d
Lateral femoral cutaneous nerve
QuestionChoice
The femoral nerve innervates the anterior thigh muscles, including the quadriceps, which are essential for knee extension. Damage to the femoral nerve can result in the loss of knee extension and sensory deficits in the anterior and medial thigh.
10024215
a
Femoral nerve
Concept
Chapter
2693
5758
Femoral Nerve
Topic
307
General Anatomy
17241
A patient presents with a loss of knee extension and sensory loss to the anterior and medial thigh after a stab injury to the upper thigh.

Which anatomical structure is most likely to be damaged in this case?
a