March 16th Flashcards
OIAI of Gluteus maximus
ORIGIN: ilium between iliac crest and posterior gluteal line, lateral portion of sacrum and coccyx
INSERTION: iliotibial tract (upper fibres) and gluteal tuberosity of femur (lower fibres)
ACTION: extension, hyperextension, lateral rotation and abduction of thigh, extension of trunk
INNERVATION: inferior gluteal nerve
OIAI of Tensor fasciae latae
ORIGIN: anterior superior iliac spine
INSERTION: iliotibial tract
ACTION: medial rotation, abduction, flexion of thigh
INNERVATION: superior gluteal nerve
OIAI of Gluteus medius
ORIGIN: outer surface of ilium between posterior and anterior gluteal lines
INSERTION: greater trochanter of femur
ACTION: abduction of thigh
INNERVATION: superior gluteal nerve
OIAI of Gluteus minimus
ORIGIN: outer surface of ilium between anterior and inferior gluteal lines
INSERTION: greater trochanter of femur
ACTION: abduction of thigh
INNERVATION: superior gluteal nerve
OIAI of Piriformis
ORIGIN: anterior surface of the sacrum and margin of the greater sciatic foramen
INSERTION: greater trochanter of femur
ACTION: lateral rotation, extension, and abduction of thigh
INNERVATION: branches from first and second sacral roots
OIAI of Obturator internus
ORIGIN: obturator membrane and inner wall of pelvis surrounding the obturator foramen
INSERTION: medial side of greater trochanter of the femur
ACTION: lateral rotation of thigh
INNERVATION: branches of the sacral plexus
OIAI of Superior Gemellus
ORIGIN: spine of ischium
INSERTION: medial surface of greater trochanter
ACTION: lateral rotation of thigh
INNERVATION: branches from sacral plexus
OIAI of Inferior gemellus
ORIGIN: tuberosity of the ischium
INSERTION: joins tendon of obturator internus to attach to greater trochanter of femur
ACTION: lateral rotation of thigh
INNERVATION: branches from sacral plexus
OIAI of Quadratus femoris
ORIGIN: tuberosity of ischium
INSERTION: upper part of intertrochanteric crest of femur
ACTION: lateral rotation of thigh
INNERVATION: branches from sacral plexus
OIAI of Obturator externus
ORIGIN: medial 2/3 of external surface of obturator membrane and adjacent pubis and ischium
INSERTION: trochanteric fossa of femur
ACTION: lateral rotation of thigh
INNERVATION: obturator nerve
OIAI of Biceps femoris
ORIGIN: long head: tuberosity of ischium
short head: linea aspera of femur
INSERTION: head of fibula
ACTION: long head: extension and lateral rotation of thigh
both heads: flexion of leg, lateral rotation of flexed leg
INNERVATION: tibial and common fibular nerve
OIAI of Semitendinosus
ORIGIN: tuberosity of ischium
INSERTION: upper part of medial surface of tibia
ACTION: extension of thigh, flexion of leg, medial rotation of flexed leg
INNERVATION: tibial nerve
OIAI of Semimembranosus
ORIGIN: tuberosity of ischium
INSERTION: posteromedial aspect of medial condyle of tibia
ACTION: extension of thigh, flexion of leg, medial rotation of flexed leg
INNERVATION: tibial nerve
OIAI of Sartorius
ORIGIN: anterior superior iliac spine
INSERTION: upper part of medial surface of tibia
ACTION: flexion, abduction and lateral rotation of thigh, flexion of leg, medial rotation of flexed leg
INNERVATION: femoral nerve
OIAI of Gracilis
ORIGIN: body and inferior ramus of pubis
INSERTION: upper part of medial surface of tibia
ACTION: adduction of thigh, flexion of leg, medial rotation of flexed leg
INNERVATION: obturator nerve
OIAI of Rectus femoris
ORIGIN: anterior inferior iliac spine and area above acetabulum
INSERTION: base of patella
ACTION: extension of leg, flexion of thigh
INNERVATION: femoral nerve
OIAI of Vastus medialis
ORIGIN: lower part of intertrochanteric line, medial part of linea aspera
INSERTION: medial border of patella
ACTION: extension of leg
INNERVATION: femoral nerve
OIAI of Vastus lateralis
ORIGIN: greater trochanter, upper half of linea aspera of femur
INSERTION: lateral border and base of patella
ACTION: extension of leg
INNERVATION: femoral nerve
OIAI of Vastus intermedius
ORIGIN: upper 2/3 of lateral and anterior surface of the femur
INSERTION: base of patella
ACTION: extension of leg
INNERVATION: femoral nerve
OIAI of Pectineus
ORIGIN: superior ramus of pubis
INSERTION: posterior surface of femur below lesser trochanter
ACTION: flexion and adduction of thigh
INNERVATION: femoral and obturator nerve
OIAI of Adductor brevis
ORIGIN: inferior ramus of pubis
INSERTION: linea aspera (upper half)
ACTION: adduction, medial rotation of thigh
INNERVATION: obturator nerve
OIAI of Adductor longus
ORIGIN: front of pubis between pubic crest and pubic symphysis
INSERTION: linea aspera of femur (middle third)
ACTION: adduction, medial rotation of thigh
INNERVATION: obturator nerve
OIAI of Adductor magnus
ORIGIN: inferior ramus of pubis and ischial tuberosity
INSERTION: medial linea aspera and along a line extending inferiorly to the adductor tubercle of the femur
ACTION: upper fibres: flexion; lower fibres: medial rotation; all fibres: adduction
INNERVATION: obturator and sciatic nerves
