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hip & knee movement

muscles of hip and knee movement

QuestionAnswerAnswerAnswerAnswerAnswerAnswer
What is the nerve for Psoas Major? lumbar plexus
Which muscle is the strongest hip flexor? psoas major
What are the origins of Iliacus? iliac fossa anterior inferior iliac spine
What is the insertion of Iliacus? lesser trochanter
What are the actions of Iliacus? flexes the hip laterally rotates the hip anteriorly tilts the pelvis
What is the nerve for Iliacus? femoral nerve
What is the origin for Piriformis? anterior sacrum
What is the insertion of Piriformis? greater trochanter
What are the actions of Piriformis? laterally rotates the hip abducts the hip
What is the nerve for Piriformis? sciatic nerve
What is the origin of Gemellus Superior? ischial spine
What is the insertion of Gemellus Superior? greater trochanter
What is the action of Gemellus Superior? laterally rotates the hip
What is the nerve for Gemellus Superior? sciatic nerve
What is the origin of Gemellus Inferior? superior ischial tuberosity
What is the insertion of Gemellus Inferior? greater trochanter
What is the action of Gemellus Inferior? laterally rotates the hip
What is the nerve for Gemellus Inferior? sciatic nerve
What are the origins of Obturator Internus? obturator membrane obturator margin
What is the insertion of Obturator Internus? greater trochanter
What is the action of Obturator Internus? laterally rotates the hip
What is the nerve of Obturator Internus? sciatic nerve
Which muscle passes through and almost fills the lesser sciatic notch? obturator internus
What is the origin of Obturator Externus? obturator membrane superior pubic ramus inferior pubic ramus ischial ramus
What is the insertion of Obturator Externus? greater trochanter
What is the action of Obturator Externus? laterally rotates the hip
What is the nerve for Obturator Externus? obturator nerve
Which of the "deep six" lateral hip rotators has a different nerve from the others? Obturator Externus had obturator nerve, others have sciatic
What is the origin of Quadratus Femoris? lateral ischial tuberosity
What is the insertion of Quadratus Femoris? greater trochanter
What is the action of Quadratus Femoris? laterally rotated the hip
What is the nerve for Quadratus Femoris? sciatic nerve
Whice of the "deep six" hip rotators can become fused with the adductor magnus? quadratus femoris
What are the origins for Gluteus Maximus? posterior sacrum posterior coccyx posterior iliac crest external ilium posterior to the posterior gluteal line
What is are the insertions of Gluteus Maximus? gluteal tuberosity (25%) iliotibial band (75%)
What are the actions of the Gluteus Maximus? extends the hip laterally rotates the hip adducts the hip posteriorly tilts the pelvis
What is the nerve for Gluteus Maximus? inferior gluteal nerve
Which muscle is the strongest hip flexor? Gluteus Maxims
What is the insertion of Gluteus Medius? external ilium between the anterior and posterior gluteal lines
What id the insertion of the Gluteus Medius? greater trochanter
What are the actions of Gluteus Medius? abducts the hip medially rotates the hip laterally rotates the hip anteriorly tilts the pelvis
What is the nerve for Gluteus Medius? superior gluteal nerve
Which muscle stabilizes the hip in order for you to stand on one leg? Gluteus Medius
What is the origin of Gluteus Minimus? external ilium between the anterior and inferior gluteal lines
What is the insertion of the Gluteus Minimus? greater trochanter
What are the actions of the Gluteus Minimus? abducts the hip medially rotates the hip anteriorly tilts the pelvis
What is the nerve for Gluteus Minimus? superior gluteal nerve
Which muscle is a synergist to the Gluteus Medius and is a weak hip abductor compared to the Gluteus Medius? gluteus minimus
What are the origins of the Tensor Fascia Lata anterior iliac crest anterior superior iliac spine
What is the insertion of Tensor Fascia Lata? iliotibial band
What are the actions of Tensor Fascia Lata? abducts the hip flexes the hip medially rotates the hip
What are the four muscles that make up the Quadriceps femoris? rectus femoris vastus intermedius vastus medialis vastus lateralis
What are the origins of Rectus Femoris? anterior inferior iliac spine external ilium just superior to the acetabulum
What is the insertion of Rectus Femoris? tibial tuberosity
What are the actions of Rectus Femoris? flexes the hip extends the knee anteriorly tilts the pelvis
What is the nerve for Rectus Femoris? femoral nerve
What is the only muscle in the Quadriceps Femoris group that crosses two joints? rectus femoris
What is the origin of Vastus Intermedius? anterior lateral femoral shaft
What is the insertionf of Vastus Intermedius? tibial tuberosity
What is the action of Vastus Intermedius? extends the knee
What is the nerve for Vastus Intermedius? femoral nerve
What is the origin of Vastus Medialis? linea aspera, medial lip
What muscle is also known as the "tear drop" or "rain drop" muscle because of the way that it looks when outlined by the Rectus Femoris and Sartorius muscles? vastus medialis
What are the origins of Vastus Lateralis? linea aspera, lateral lip tibial tuberosity
What are the insertions of Vastus Lateralis? tibial tuberosity
What is the action of Vastus Lateralis? extends the knee
What is the nerve of Vastus Lateralis? femoral nerve
What is the origin of Sartorius? anterior superior iliac spine
What is the insertion of Sartorius? medial proximal tibial shaft at pes anserinus
What are the actions of Sartorius? flexes the hip laterally rotates the hip abducts the hip flexes the knee medially rotates the leg when the knee is flexed
Which muscle is also called the "tailor's muscle" because of the crossed legged sitting position that tailors used to use? sartorius
What three muscles make up the group know as the "hamstring muscles"? biceps femoris semimembranosus semitendinosus
What is the origin of Semimembranosus? ischial tuberosity
What is the insertion of Semimembranosus? medial condyle of the tibia, posterior surface
What are the actions of the Semimembranosus? flexes the knee medially rotates the leg, when the knee is flexed extends the hip medially rotated the hip posteriorly tilts the pelvis
What is the nerve for Semimembranosus? tibial nerve
What are the origins of Psoas Major? transverse process of T12-L5 vertebral bodies of T12-L5 intervertebral disks of lumbar vertebrae
What are the insertion of Psoas Major? lesser trochanter
What are the actions of Psoas Major? laterally rotates the hip flexes the hip flexes the vertebral column anteriorly tilts the pelvis
What muscles are considered to be the six deep lateral rotators of the hip, or "the deep six"? piriformis gemellus superior obturator internus gemellus inferior obturator externus quadratus femoris
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