Pelvis & Thigh Pt 1 Flashcards
Name the 4 quad muscles
Rectus femoris
Vastus lateralis
Vastus medialis
Vastus intermedialis
How many quad muscles are there?
4
What is the only quad muscle that crosses 2 joints? (Hip&knee)
Rectus Femoris
Which two joints does the rectus femoris cross?
Hip and knee
Rectus Femoris Attachments
AIIS - Tibial Tuberosity
Rectus femoris actions
Extends knee, flex hip
Which quad muscle is the only one to flex the hip?
Rectus femoris
Attachments for vastus lateralis
Linea aspera, gluteal Tuberosity of femur, tibial tuberosity
Vastus lateralis actions?
Extend knee
Vastus medialis attachments
Linea aspera of femur, tibial tuberosity
Actions of vastus medialis
Extend knee!
Vastus intermedialis attachments
Shaft of femur, tibial tuberosity
Vastus intermedialis actions
Extend the knee
Hamstring group has how many muscles?
3
Common attachment for hamstrings
Ischial Tuberosity
Common action for hamstrings
Flex the knee, extend the hip
Name the 3 hamstring muscles
Biceps femoris
Semitendinosus
Semimembranosus
Bicep femoris attachments
Iscial tuberosity, linea aspera, head of the fibula
Biceps femoris actions
Flex knee, extend hip
Semitendinosus attachments
Ischial tuberosity, medial shaft of tibia (pes anserinus)
Semitendinosus actions
Flex knee, extend hip
Semimembranosus attachments
Ischial tuberosity, medial condyle of tibia
Semimembranosus actions
Flex knee, extend hip
Gluteus Maximus Attachments
Coccyx, sacrum, illium; gluteal tuberosity of femur, ITB
Gluteus Maximus actions
Extends hip, abducts, laterally rotates & adduct hip
Gluteus Medius attachments
Ilium, greater trochanter
Gluteus medius actions
Abduct hip, extends, lat rotate, med rotate & flex
Gluteus minimus attachments
Illium, greater trocanter
Gluteus minimums actions
Abduct hip, flex hip, med rotate hip
What is the longest heaviest bone in the body?
The femur
