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The obturator sign, also called Cope's obturator test, is an indicator of irritation to the obturator internus muscle. [1] The technique for detecting the obturator sign, called the obturator test, is carried out on each leg in succession. The patient lies on her/his back with the hip and knee both flexed at ninety degrees.
Here it enters the thigh, through the obturator canal, and divides into an anterior and a posterior branch, which are separated at first by some of the fibers of the obturator externus, and lower down by the adductor brevis. [2] An accessory obturator nerve may be present in approximately 8% to 29% of the general population. [3]
A positive test indicates the increased likelihood that the abdominal wall and not the abdominal cavity is the source of the pain (for example, due to rectus sheath hematoma instead of appendicitis). [ 3 ] [ 4 ] A negative Carnett's sign is said to occur when the abdominal pain decreases when the patient is asked to lift the head; this points ...
The internal obturator muscle or obturator internus muscle originates on the medial surface of the obturator membrane, the ischium near the membrane, and the rim of the pubis. It exits the pelvic cavity through the lesser sciatic foramen. The internal obturator is situated partly within the lesser pelvis, and partly at the back of the hip-joint.
It occurs in patients with an obturator hernia, due to compression of the obturator nerve. [1] The adductor reflex is elicited by tapping over either the medial epicondyle of the femur or the medial condyle of the tibia, which should cause the adductor muscles of the hip to contract, moving the leg inwards. [2]
The nerve to obturator internus (also known as the obturator internus nerve [citation needed]) is a mixed (sensory and motor) [1] nerve providing motor innervation to the obturator internus muscle and gemellus superior muscle, [2] [1] and sensory innervation to the hip joint. [1] It is a branch of the sacral plexus. It is one of the group of ...
An upper limb neurological examination is part of the neurological examination, and is used to assess the motor and sensory neurons which supply the upper limbs.This assessment helps to detect any impairment of the nervous system, being used both as a screening and an investigative tool.
An obturator hernia is a rare type of hernia, encompassing 0.07-1% of all hernias, [2] of the pelvic floor in which pelvic or abdominal contents protrudes through the obturator foramen. The obturator foramen is formed by a branch of the ischial (lower and back hip bone) as well as the pubic bone.