The Hip - Lecture Flashcards
The hip is classified as what type of joint?
Ball and Socket
Name the three bones that make up the os coxa
Ilium
Ischium
Pubis
Which hip bone contributes to the acetabulum and the ramus?
The ischium
T or F
The ilium + ramus = ischial tuberosity
False
haha so freaking false.
ischium + ramus = ischial tuberosity
What bone forms the anterior 1/5th of the acetabulum?
Pubis
The angle of the femoral shaft and head of the femur is approx what angle in adulthood?
120 degrees
How is the acetabulum angled in space?
Laterally, inferiorly, and anteriorly
Name the three joints that make up the pelvic girdle
Acetabularfemoral
Sacroiliac
Pubis symphysis
What structure marks the widest point on the iliac crests?
Iliac Tubercle
What is another name for a hip pointer?
Iliac Crest Contusion
Contusion to the site or an avulsion of what muscles are involved usually with an iliac crest contusion?
Quadratus lumborum and or the abdominal muscles
T or F
The greater trochanters should be a little higher than the pubic tubercles
False
Should be level
What is a bucket handle fracture
When the superior and inferior pubic rami fractures with a separation or fracture of the contra-lateral SI joint
Sprung pelvis =?
Separation of the pubic symphysis and both SI joints
Straddle fracture =?
Bilateral superior pubic rami and ischiopubic fracture. usually resulting from a vertical compression trauma
Where are the most common areas of the pelvis for avulsion fractures?
ASIS
AIIS
Ischial Tuberosity
What muscle groups attach at the Symphysis?
Adductors
T or F
The Sartorius attaches to the Anterior inferior iliac spine
False
The anterior superior iliac spine
The Rectus femoris attaches to the AIIS
What muscle attaches to the lesser trochanter?
Iliopsoas
What ligament attaches at the fovea capitis
Ligamentum Teres
What is the inclination angle and what should it measure?
The angle between the femoral shaft and the neck
125-130 degrees but can vary with body types
What is the angle that the femoral neck makes with the acetabulum called?
Angle of anteversion
Normal = 8-15 degrees
What is an aka for femoral ante version?
Medial Femoral Torsion
T or F
Femoral ante version gives a toe out gait
False
Toe-in
How great does the angle between the femoral neck and the transcondylar axis have to be to be considered Femoral Anteversion
Greater than 15 degrees
With Femoral retroversion the angle between the femoral neck and the transcondylar axis is less than ____
8 degrees
Decreased femoral head torsion may result in what conditions?
Low back or sacroiliac pathologies
Internal rotation of the tibia
Supination of the feet
AVN of the femoral capital epiphysis before close of the growth plate is known as?
Legg-Calve-Perthes Disease
T or F
Legg-Calve-Perthese Disease is more common in males 5:1
True
Pegg-Calve Perthese Disease would elicit a positive in what ortho test?
Trendelenberg Test
What are the main causes of the Legg-Calve-Perthes disease?
Trauma
Hereditary
Nutritional
Circulatory
List the 4 stages of the Legg Calve Perthes Disease
Avascularization
Revascularization
Repair
Deformity
Name the 3 extra-articular ligaments that help provide stability at the hip joint
Iliofemoral ligament of Bertin/Bigelow
Pubofemoral
Ischiofemoral
T or F
The ischiofemoral ligament is the strongest ligament in the body
False
Iliofemoral
What muscle does the iliofemoral ligament blend with?
Iliopsoas
T or F
The iliofemoral ligament is oriented superior-laterally
True
The pubofemoral ligament blends with what other structures?
Inferior band of the iliofemoral and pectineus muscle
Name the most commonly injured ligament in the hip
Ischiofemoral ligament
T or F
The medial band of the iliofemoral ligament limits external rotation & the medial band limits adduction
False
Opposite
What ligament limits abduction?
Pubofemoral
What ligament limits internal rotation of the hip
Ischiofemoral
Name the most powerful of hip flexors
Iliopsoas
Name a muscle that adducts, flexes and internally rotates the hip
Pectineus
What test could you do to test the TFL
Ober
What motions does the TFL help perform
Flexing, abducting and internally rotation the hip
What is the longest muscle in the body?
Sartorius
What are the actions of Sartorius?
Flexion, abduction and external hip rotation with some degree of knee flexion
What is the major internal rotator of the hip
Gluteus minimus
Weakness of this muscle can result in a “lurch”
Gluteus Medius
What muscle is an external rotator of the hip at less than 60 degrees of hip flexion?
Piriformis
What happens to the muscle action of Piriformis at 90 degrees of hip flexion?
The Piriformis reverses its muscle action becoming an internal rotator and abductor of the hip
What muscles extend the hip, flex the knee and internally rotate the tibia?
Semimembranosus + semitendinosus
T or F
The semimembranosus attaches more distally than the tedndinosus
False
Name the hip adductors
Adductor magnus
Adductor longus & brevis
Gracilis
The femoral triangle is defined superiorly by?
Inguinal ligament
T or F
The femoral triangle is defined medially by the sartorius
False
Adductor longus
Sartorius = lateral
T or F
The Femoral nerve lies lateral to the femoral artery
True
Name the neurovascular structures that pass through the femoral triangle from medial to lateral
Femoral vein, artery and nerve
Name the nerves that provide cutaneous innervation of the gluteal region
Subcostal nerves
Iliohypogastric nerve
DR L1 L2 L3
DPR - cluneal nerves of S1 S2 S3
T or F
The area superior to the inguinal ligament on the anterior region of the hip is supplied by the subcostal nerve, the femoral branch of the genitofemoral and the iliolingual nerve
False
This is the inferior area of the inguinal ligament
Is it more common for the common perennial nerve to pass superior or through the piriformis muscle
Through @ 11%
Superior to the muscle .9%
T or F
The medial femoral circumflex artery MFCA supplies the anterior portion of the capsule of the hip joint
False
The MFCA perforates and supplies the posterior hip joint capsule and synovium
What is the name of the terminal branch of the MFCA that supplies most of the femoral head
Lateral epiphyseal artery
PRICE stands for
Protection Rest Ice Compression Elevation