Muscle Origin, Insertion, and Action Part 5 Flashcards
Lower Extremity
Where is the origin of the gluteus maximus?
Iliac crest, sacrum and coccyx
Where is the insertion of the gluteus maximus?
Femur
What is the action of the gluteus maximus?
Extension and lateral rotation of the hip
Where is the origin of the piriformis?
Sacrum
Where is the insertion of the piriformis?
Greater trochanter femur
What is the action of the piriformis?
Abduction and lateral rotation hip
Where is the origin of the adductor longus?
Pubis ramus
Where is the insertion of the adductor longus?
Linea aspera femur
What is the action of the adductor longus?
adduction of hip
Where is the origin of the adductor magnus?
Pubis ramus and ischial tuberosity
Where is the insertion of the adductor magnus?
Linea aspera femur
What is the action of the adductor magnus?
adduction of hip
What are the two iliopsoas?
iliacus and psoas major
Where is the origin of the iliacus?
Iliac fossa
Where is the insertion of the iliacus?
Lesser trochanter femur
What is the action of the iliacus?
Flexion of the hip
Where is the origin of the psoas major?
Transverse process vertebrae
Where is the insertion of the psoas major?
Lesser trochanter femur
What is the action of the psoas major?
Flexion of the hip
Where is the origin of the biceps femoris?
Ischial tuberosity
Where is the insertion of the biceps femoris?
head fibula, latera condyle tibia
What is the action of the biceps femoris?
knee flexion
Where is the origin of the semimembranosus?
Ischial tuberosity
Where is the insertion of the semimembranosus?
medial condyle tibia
What is the action of the semimembranosus?
knee flexion
Where is the origin of the semitendinosus?
Ischial tuberosity
Where is the insertion of the semitendinosus?
Tibia
What is the action of the semitendinosus?
Knee flexion
Where is the origin of the rectus femoris?
iliac spine and acetabulum
Where is the insertion of the rectus femoris?
Tibial tuberosity via patellar ligament
What is the action of the rectus femoris?
Knee flexion
Where is the origin of the vastus intermedius?
Linea aspera
Where is the insertion of the vastus intermedius?
Tibial tuberosity via patellar ligament
What is the action of the vastus intermedius?
Knee extension
Where is the origin of the vastus lateralis?
Greater trochanter and Linea aspera
Where is the insertion of the vastus lateralis?
Tibial tuberosity via patellar ligament
What is the action of the vastus lateralis?
Knee extension
Where is the origin of the vastus medialis?
Linea aspera
Where is the insertion of the vastus medialis?
Tibial tuberosity via patellar ligament
What is the action of the vastus medialis?
Knee extension
