lower Leg OIAN Flashcards
Rectus Femoris
O: Anterior Inferior Iliac Spine (AIIS)
I: tibial tuberosity via the patellar tendon
A: hip flexion & knee extension
N: femoral nerve
Vastus Lateralis
O: lateral lip linea aspera of the femur, gluteal tuberosity, greater trochanter
I: tibial tuberosity via the patellar tendon
A: knee extension
N: femoral nerve
Vastus Medialis
O: medial lip linea aspera of the femur
I: tibial tuberosity via the patellar tendon
A: knee extension
N: femoral nerve
Vastus Intermedius
O: anterior/lateral shaft of the femur
I: tibial tuberosity via the patellar tendon
A: knee extension
N: femoral nerve
Pectineus
O: Superior ramus of the pubis
I: Pectineal line of the femur
A: adduction of hip joint
N: Femoral & obturator nerve (L2, L3, L4)
Iliopsosas
O: iliacus- iliac fossa
Psoas maj/min- bodies & transverse process of lumbar vert.
I: lesser trochanter of the femur
A: Hip flexion/ ant pelvic tilt
Trunk flexion (closed chain)
N: Iliacus/Psoas Major portion: Femoral nerve (L1- L4)
Tensor Fasciae Latae (TFL)
O: Iliac crest
I: Lateral condyle of the tibia (by way of the iliotibial band)
A: Combined hip flexion, abduction, and internal rotation
N: Superior gluteal nerve (L4, L5, S1)
Sartorius
O: ASIS
I: pes Anserine
A:Primary: Combination of Hip flexion, abduction and external rotation
Secondary: Assists with knee flexion and knee internal rotation
N:Femoral (L2-L4)
Adductor Longus
O: Pubic tubercle
I: Middle of the linea aspera of the femur
A: Primary: Hip adduction
Secondary: hip internal rotation, flexion
N: Obturator nerve (L2, L3, L4)
Adductor Brevis
O: Inferior ramus of pubis
I: Pectineal line, medial lip of linea aspera of the femur
A: Primary: Hip adduction
Secondary: hip internal rotation, flexion
N: Obturator nerve (L2-L4)
Adductor Magnus
O: Ischial tuberosity, inferior ramus of pubis, ramus of the ischium
I: Medial lip linea aspera of the femur & adductor tubercle
A: Ant fibers: Hip flexion and Adduction
Post fibers: Hip extension and Adduction
N: Ant: Obturator (L2-L4);
Post: Sciatic (L4-S1)
Gracilis
O: Inferior ramus of pubis
I: Pes Anserine
A: Hip adduction
Knee flexion, knee internal rotation
N:Obturator nerve (L2, L3)
Gluteus Maximus
O: Posterior Iliac crest, sacrum, & coccyx, sacrotuberous and sacroiliac ligaments
I: Gluteal tuberosity and to iliotibial band (ITB)
A: Hip extension, external rotation, and abduction
Posterior pelvic tilt
N: inferior gluteal nerve (L5, S1, S2)
Gluteus Medius
O: gluteal surface of the Ilium
I: Greater trochanter of the femur
A: Hip abduction,
Ant fibers: internal rotation & flexion
Post fibers: external rotation & extension
N: Superior gluteal nerve (L4, L5, S1)
Gluteus Minimus
O: gluteal surface of ilium
I: Anterior aspect of greater trochanter of the femur
A: Hip abduction, internal rotation & flexion
N: Superior gluteal nerve (L4, L5, S1)