Revision Flashcards
What is the origin and attachment of pectineus?
Origin: Superior ramus of pubis
Attachment: Pectineal line of femur
What is the action of pectineus?
Hip joint: Adducts, Flexes
Medial rotation of hip joint
What is the origin and attachment of sartorius?
Origin: ASIS
Attachment: Superior part of medial surface of tibia
What are the actions of sartorius?
Hip: flexes, abducts, laterally rotates
Knee: flexes, medially rotates
What is the origin of psoas major?
T12- L5 vertebrae
What is the origin of iliacus?
Iliac crest and iliac fossa
Where does iliopsoas attach?
Lesser trochanter of femur
What is the action of iliopsoas?
Flexes hip
Laterally rotates hip
What is the origin of rectus femoris?
AIIS
What is the origin of vastus lateralis?
Greater trochanter, lateral lip of linea aspera
What is the origin of vastus medialis?
Intertrochanteric line, medial lip linea aspera
Where do the quadriceps muscles insert?
To patella via quadriceps tendon
Patella ligament to tibial tuberosity
Which quadriceps muscle flexes the hip?
Rectus femoris
What is the origin and attachment of adductor longus?
Origin: pubis body
Attachment: Middle third linea aspera
What is the action of adductor longus?
Adducts hip joint
What is the origin and attachment of adductor brevis?
Origin: Body and inferior ramus of pubis
Attachment: Pectineal line, proximal part of linea aspera
What are the main actions of adductor brevis?
Adduction and to some extent flexion of the hip joint
What are the origins and attachments of adductor magnus?
Adductor part-
Origin: Inferior ramus of pubis, ischium ramus
Attachment: Gluteal tuberosity, linea aspera
Hamstring part-
Origin: Ischial tuberosity
Attachment: Adductor tubercle of femur
What muscle attaches to the adductor tubercle of femur?
Hamstring part of adductor magnus
What are the origins and attachments of gracilis?
Origin: Body and inferior ramus of pubis
Attachment: superior part of medial surface of tibia
What are the actions of gracilis?
Hip: adducts
Knee: Flexion, medially rotates
What is the origin and insertion of obturator externus?
Origin: Obturator foramen
Attachment: Trochanteric fossa
What are the actions of obturator externus?
Laterally rotates hip
Pulls head of femur into acetabulum
What is the origin of semimembranosus and semitendinosus?
Ischial tuberosity
How do the attachments of semimembranosus and semitendinosus differ?
Semimembranosus - medial condyle of tibia
Semitendinosus - medial surface of superior tibia
What is the action of semimembranosus and semitendinosus?
Hip: extend
Knee: flex, medial rotation
What is the origin of the long and short head of biceps femoris?
Long head - ischial tuberosity
Short head- linea aspera
Where does biceps femoris attach?
Lateral side of head of fibula
What is the origin and attachment of TFL?
Origin: Iliac crest
Attachment: Iliotibial tract
What are the main actions of TFL?
Hip: flexion, abduction and internal rotation
Where does the iliotibial tract insert?
Lateral condyle of tibia
What is the origin and insertion of glut maximus?
Origin: Ilium, sacrum and coccyx
Attachment: iliotibial tract, gluteal tuberosity on femur
What is the main action of glut maximus?
Hip: extension, lateral rotation
Where do glut medius and minimus insert?
Greater trochanter of femur
What are the actions of glut medius and minimi?
Hip joint: medially rotate, abduction
What is the action of the deep gluteal muscles? E.g piriformis, obturator internus, gemelli
Laterally rotate hip
Abduct hip
