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Gluteal Thigh Muscle

Gluteal and Thigh Muscles

QuestionAnswer
How many axis are there in the hip joint? 3
What is the orientation of the axis for the movement of flexion and extension? Medially to laterally in coronal plane Movement is in sagittal plane
What is the orientation of the axis for the moment of abduction and adduction? Anteriorly to posteriorly in sagittal plane Movement is in coronal plane
What ist he orientation of the axis for the movement of rotation? Oriented vertically in transverse plane
What are the superficial muscles of the gluteal region? Gluteus maximus, medius, minimus TFL
The superficial gluteal nerve innervates all the superficial muscles of gluteal region except for? Gluteus maximus
What innervates the gluteus maximus? Inferior gluteal nerve
What are the deep muscles of the gluteal region? Piriformis Superior gemelli Obturator internus Inferior gemelli Quadrates femoris Obturator externus
Abduction is the common function of what deep muscle groups? Piriformis, superior/inferior gemelli, obturator internus
Adduction is common function of what deep muscle groups? Quadrates femoris Obturator externus
Sacral plexus innervates all deep muscle groups except what? Obturator externus
What innervates the obturator externus? Obturator nerve
What covers the posterior third of the gluteus medius? Gluteus maximus
What is the origin of the gluteus medius? Anterior/posterior gluteal line
What is the insertion of the gluteus medius? Greater trochanter
What is the trendelenburg sign? Ask patient to lift leg and to balance on leg If dropped, then could be gluteus medius/minimus problem or the nerve
What does a waddling gait indicate? Paralyzation on both gluteus medius/minimus
What is the origin of the gluteus minimus? Anterior/inferior gluteal line
What is the insertion of the gluteus minimus? Greater trochanter
What is the action of gluteus min? All except adduction
What is the tensor fascia latae? Thickening of thigh deep fascia
What can act like a tendon for the gluteus max and TFL? IT band
IT band attaches to what? Gerry's tubercle
What helps stabilize the patella? Quadriceps Glute max and TFL both keep knee stable via IT band - extension of knee
What is the origin of TFL? ASIS and iliac crest (anterior aspect)
What is the insertion of TFL? IT band below greater trochanter
What is the origin of the superior gemelli? Ischial spine
What is the insertion of the superior and inferior gemelli? Greater trochanter
What is the action of the superior and inferior gemelli? External rotation Horizontal abduction of hip Abduction of thigh when hip is flexed
What is the origin of the inferior gemelli? ischial tuberosity
What is the origin of the obturator internus? Obturator foramen and obturator membrane
What is the insertion of the obturator internus? Greater trochanter
What is the action of the obturator internus? External rotation Horizontal abduction of hip Abduction of thigh when hip is flexed
What is the origin of the quadratus femoris? Ischial tuberosity
What is the insertion of the quadratus femoris? interochanteric crest of femur
What is the origin of the obturatus externus? Obturator foramen and obturator membrane
What is the insertion of the obturatus externus? trochanteric fossa of femur
What is the origin of the gluteus maximus? Sacrum Coccyx Sacrotuberous ligament Posterior iliac crest
What is the insertion of the gluteus maximus? Gluteal tuberosity on femur IT band
What is the insertion of the iliopsoas? Lesser trochanter
What is the origin of the Psoas major TP of L1-L5 Vertebral bodies of T12-L5 - intervening intervertebral disks
What is the action of the iliopsoas? Flexion and lateral rotation of hip Anterior pelvic tilt
What are the 3 compartments that the inter muscular septa from the deep fascia divides the thigh into? Anterior Medial Posterior
What action does each compartment do? Anterior - extensor Medial - adductor Posterior - flexor
What muscle group does the anterior compartment house and what innervates those muscles? Extensor muscles of thigh Femoral nerve
Why is the sartorial an exception to its compartment? Located in anterior compartment and is innervated by femoral nerve But flexes the hip and knee joint
What muscle group does the medial compartment house and what innervates those muscles? Adductor muscles Obturator nerve
What muscle group does the posterior compartment house and what innervates those muscles? Flexor muscles Sciatic nerve
What muscles are located in the posterior thigh? Biceps femoris Semimembranosus Semitendinosus
What is the origin of the posterior thigh muscles? Ischial tuberosity
What is the exception the origin of the posterior thigh muscles? Short head of the biceps femoris Attaches to lateral lip of linea aspera
What is the insertion of the biceps femoris? Head of fibula
What is the insertion of the semimembranosus? Medial tibial condyle
What is the insertion of the semitendinosus? Pes anserine
What is the common function of the posterior thigh muscles? Extension of hip Flexion of knee
What is the action of the biceps femoris? Extension of hip Flexion of knee Lateral rotation of knee when knee is flexed
What is the action of the semitendinosus and semimembranosus? Extension of hip Flexion of knee Medial rotation of knee when knee is flexed
What muscles make up the anterior compartment of the thigh? Sartorius Rectus femoris Vastus lateralis/intermedius/medialis
What is the origin of the sartorius? ASIS
What is the insertion of the sartorius? Pes anserine
What is the origin of the rectus femoris? AIIS
What is the origin of vastus lateralis? Lateral lip of linea aspera Intertrochanteric line Gluteal tuberosity
What is the origin of vastus medialis? Medial lip of linea aspera Intertrochanteric line
What is the origin of vastus intermedialis? Anterior lateral surface of femur
What is the common insertion for anterior compartment, except for which muscle? Tibial tuberosity Except Sartorius (pes anserine)
Which quadriceps muscle acts on two joints? Rectus femoris
What is the largest quadriceps muscle? Vastus lateralis
What is the origin of the articularis genus? Anterior surface of lower body of femur
What is the insertion of the articularis genus? Upper part of capsule and synovial membrane of knee joint
What is the function of the articularis genus? Elevates capsule and synovial membrane of knee joint Prevents them from being pinched during extension of leg
What muscles make up the medial compartment of thigh? Pectineus Abductor magnus/longus/brevis Gracilis
What is the exception to the general rule of innervation for the medial compartment? Pectineus - femoral nerve Adductor magnus - obturator and tibial nerve
What is the origin and insertion of pectineus? O- pectineal line of pubis I - pectineal line of femur
What is the common function of the medial compartment thigh muscles? Adduction and flexion of hip
What is the common function of the adductor muscles, besides adduction and flexion of hip? Lateral rotation of thigh
What is the origin of the adductor longus? Anterior surface of pubis
What is the insertion of the adductor longus? Medial lip of linea aspera
What is the origin of the adductor brevis? Body and inferior ramus of pubis
What is the insertion of the adductor brevis? Medial lip of linea aspera
What is the origin of the gracilis? Body and inferior ramus of pubis
What is the insertion of the gracilis? Pes anserine
What is the origin of the adductor magnus? Anterior head - ischiopubic ramus Posterior head - ischial tuberosity
What is the insertion of the adductor magnus? Anterior head - linea aspera Posterior head - adductor tubercle of femur
What is the hamstring part and adductor part of the adductor magnus? Adductor - anterior head Hamstring - posterior head
What is the function of gracilis? Adduction and flexion of hip Flexion and medial rotation of knee
What is the fascia lata? A tough fibrous sheath that invests the entire of the thigh like a sleeve
What is it called where the fascia lata is thickened laterally? IT band
What is significant about the upper part of the IT band? It is split and invests the tensor fascia lata muscle between its two layers and acts as a tendon for this muscle
The obturator nerve innervates what compartment and what are the exceptions? All muscles in the medial compartment except pectineus which is innervated by femoral nerve and adductor magnus which is innervated by the obturator and tibial nerves
What is pes anserinus latin for? Goosefoot
What is the femoral triangle? A triangular depression on the front of the upper part of the thigh immediately below the inguinal ligament?
What forms the sides of the femoral triangle Laterally by the sartorius, medially by the adductor longus, and its base is formed by the inguinal ligament. The base is continuous, below, with the adductor canal
What is the adductor canal? An intermuscular space situated on the medial side of the middle of the 1/3 of the thigh that ends in the adductor hiatus
What are the contents of the femoral triangle? From medial to lateral - femoral vein, artery, and nerve (VAN)
What causes a femoral hernia? When portion of tissue pushes into the femoral triangle canal
Where is the trochanteric bursa located between? Gluteus maximus and greater trochanter
Where is the ischial bursa located between? Gluteus maximus and ischial tuberosity
Where is the gluteofemoral bursa located between? Between IT band and vastus lateralis
Created by: nnguyen44
 

 



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