OINA for test 3 Flashcards
OINA for levator ani
- Origin: body of pubis, obturator fascia, ischial spine
- Inserts: coccyx
- Innervation: nerve to the levator ani (S3, S4)
- Action: Forms muscular sling to support abdominopelvic viscera, holds pelvic viscera in position, assist with abdominoplevic cavity compression, utilized with coughing, sneezing, vomiting, etc.
OINA for the coccygeus
- Origin: ischial spine
- Insertion: inferior end of the sacrum & coccyx
- Innervation: branches of S4 and S5 spinal nerves
- Action: Supports pelvic viscera, forms posterior part of diaphragm
OINA of the rectus femoris
O: anterior inferior iliac spine and rim of acetabulum (superior attachment, stays still)
I: tibial tuberosity via the patellar ligament (inferior attachment, moves)
N: Femoral nerve
A: flex the hip and extend the knee
OINA of the vastus intermedius
O: anterior surface of the femur
I: tibial tuberosity via the patellar ligament
N: femoral nerve
A: extend the knee
OINA of the vastus lateralis
O: lateral surface of the femur
I: tibial tuberosity via the patellar ligament
N: Femoral nerve
A: Extend the knee
OINA of the vastus medialis
O: medial surface of the femur and tendon of the adductor magnus
I: tibial tuberosity via the patellar ligament
N: femoral nerve
A: extend the knee (control tracking of patella)
OINA of the sartorius (the tailors muscle)
O: anterior superior iliac spine
I: superior end of the medial
surface of the tibia (Pes Anserine)
N: femoral nerve
A: flexes and lateral rotates thigh at hip joint, weak abductor of thigh and weak flexor of the leg
OI of the Iliopsoas
O: anterolateral aspect of vertebral bodies of the transverse processes of the vertebral body
I: Iliopsoas tendon at lesser trochanter in femur
OINA of the pectineus
O: pectineal line of the superior ramus of the pubis
I: pectineal line of the femur
N: femoral and obturator nerve
A: flex and adduct thigh
OINA of the Gracilis
O: Inferior ramus of the pubis
I: medial surface of tibia, inferior to the condyle
N: obturator nerve
A: adduct thigh, flex leg
OINA of the adductor longus
O: body of the pubis
I: distal 2/3 of the linea aspera
N: obturator nerve
A: adduct and flex thigh
OINA of the adductor magnus
O: tuberosity and ramus of the ischium
I: linea aspera and adductor tubercle
N: obturator nerve and tibial portion of the sciatic nerve
A: adducts and flexes thigh, extends thigh
OINA of the adductor brevis
O: Inferior ramus of the pubis
I: femur
N: obturator
A: adduct and flex thigh
OINA of the gluteus maximus
- O(superior & medial attachment) - ilium posterior to posterior gluteal line, sacrum, sacrotuberous ligament, coccyx
- I( inferior & lateral attachment) - gluteal tuberosity and iliotibial band
- N - inferior gluteal nerve
• A - extends the thigh when
running and climbing; sit to
stand; laterally rotates hip
OINA of the piriformis
- O(superior attachment) - pelvic surface of the sacrum
- I(inferior attachment) - greater trochanter
- N - nerve to piriformis
- A -lateral rotation and extension of thigh
OINA of the gluteus medius
- O(superior attachment - ilium between iliac crest and superior gluteal line
- I(inferior attachment) - greater trochanter
- N - superior gluteal nerve
• A -abducts and medially
rotates thigh
OINA of the obturator internus
- O(superior attachment) - obturator membrane
- I(inferior attachment) - greater trochanter
• N - nerve to the obturator
internus
• A - laterally rotates and extends
thigh
OINA of the superior gemellus
- O(superior attachment) - ischial spine
- I(inferior attachment) - greater trochanter
• N - nerve to obturator
internus
• A - laterally rotates and
extends thigh
OINA of the inferior gemellus
- O(superior attachment) - ischial tuberosity
- I(inferior attachment) - greater trochanter
- N - nerve to quadratus femoris
- A -laterally rotates and extends thigh
OINA of quadratus femoris
- O(superior attachment) - ischial tuberosity
- I(inferior attachment) - intertrochanteric crest
• N - nerve to quadratus
femoris
• A - laterally rotates and
extends thigh
OINA of gluteus minimus
- O(superior attachment) - ilium between superior and inferior gluteal lines
- I(inferior attachment) - greater trochanter
- N - superior gluteal nerve
• A - abduct and medially rotate
the thigh
OINA of the obturator externus
- O(superior attachment) - obturator membrane
- I(inferior attachment) - trochanteric fossa
- N - obturator nerve
• A - adduct and laterally
rotate the thigh
OINA of tensor fascia lata
- O(superior attachment) -iliac crest
- I(inferior attachment) - iliotibial band
- N - superior gluteal nerve
- A - abducts and flexes thigh
OINA of the biceps femoris (long head and short head)
- O - ischial tuberosity (long head)
- O – linea aspera (short head)
- I - head of the fibula
- N -long head by the tibial portion of the sciatic, short head by the common peroneal portion of the sciatic
- A - extend thigh and flex leg (knee)
OINA of the semitendinosus
• O - ischial tuberosity
• I - medial surface of tibia
inferior to the condyle
• N - tibial portion of sciatic
• A - extend thigh, flex leg and
medially rotate leg
OINA of the semimembranosus
- O - ischial tuberosity
- I - medial condyle of the tibia
- N - tibial portion of sciatic
- A - extend thigh, flex leg and medially rotate leg
