Pelvis and Thigh Pt. 1 Flashcards
Quadricep Femoris Group
Rectus Femoris
Vastus Medialis
Vastus Lateralis
Vastus Intermedius
Quadricep Femoris Action
Extend the knee
Rectus Femoris Action
Flex the hip
Rectus Femoris Origin
Anterior inferior Iliac spine (AIIS)
Vastus Medialis Origin
Medial lip of linea aspera
Vastus Lateralis Origin
Lateral lip of linea aspera, gluteal tuberosity, and greater trochanter
Vastus Intermedius Origin
Anterior and lateral shaft of the femur
Quadriceps Femoris Group Insertion
Tibial tuberosity
Hamstrings
Bicep Femoris
Semitendinosus
Semimmbranosus
Bicep Femoris Action
All heads:
Flex knee
Laterally rotate flexed knee
Tilt the pelvis posteriorly
Long head:
Extend the hip
Assist to laterally rotate the hip
Bicep Femoris Origin
Long head:
Ischial tuberosity
Short head:
Lateral tip of linea aspera
Bicep Femoris Insertion
Head of the fibula
Semitendinosus Action
Flex the knee
Medially rotate the flexed knee
Extend the hip
Assist to medially rotate the hip
Tilt the pelvis posteriorly
Semitendinosus Origin
Ischal tuberosity
Semitendinosus insertion
Proximal, medial shaft of the tibia at pes anserinus tendon
Semimembranosus Action
Flex the knee
Medially rotate flexed knee
Extend hip
Assist to medially rotate hip
Tilt pelvis posteriorly
Semimembranosus Origin
Ischal tuberosity
Semimembranosus Insertion
Posterior aspect of medial condyle of tibia
Gluteus Maximus Action
All fibers:
Extend hip
Laterally rotate hip
Abduct hip
Lower fibers:
Adduct hip
Gluteus Maximus Origin
Coccyx, edge of sacrum, posterior iliac crest, sacrotuberous and sacroiliac ligaments
Gluteus Maximus Insertion
Iliotibial tract (upper fibers) and gluteal tuberosity (lower fibers)
Gluteus Medius Action
All fibers:
Abduct hip
Anterior fibers:
Flex hip
Medially rotate hip
Posterior fibers:
Extend hip
Laterally rotate hip
Gluteus Medius Origin
Gluteal surface of ilium, between posterior and anterior gluteal lines, just below iliac crest
Gluteus Medius Insertion
Lateral aspect of greater trochanter
Gluteus Minimus Action
Abduct the hip
Medially rotate hip
Flex hip
Gluteus Minimus Origin
GLuteal surface of ilium between the anterior and inferior gluteal lines
Gluteus Minimus Insertion
Anterior aspect of greater trochanter
Tensor Fasciae Latae and Iliotibial Tract Action
Flex hip
Medially rotate hip
Abduct hip
Tensor Fasciae Latae and Iliotibial Tract Origin
Iliac crest, posterior to the ASIS
Tensor Fasciae Latae and Iliotibial Tract Insertion
Iliotibial tract
Satorius Action
Flex hip
Laterally rotate hip
Abduct hip
Flex knee
Medially rotate flexed knee
Satorius Origin
Anterior superior iliac spine
Satorius Insertion
Proximal, medial shaft of the tibia at pes anserinus tendon
