Obturator nerve

Question 1

Site of impingement

Answer 1

Can be compressed anywhere along the course of the nerve, but most likely due to nerve root irritation (L2-L4)

Obturator hernia (usually seen in older women), may also result in pain or tingling over the cutaneous distribution (Howship-Romberg sign)

Question 2

Signs and symptoms

Answer 2

Weak adducts of thigh, patient will have difficulty crossing their legs- results in difficult ambulation (gait abnormalities)

Possible isolated loss of sensation to middle thigh (Myalgia paraesthetica)

Decreased adductor tendon jerk