ANATOMY - LL Flashcards
Iliopsoas Inervation
FERMORAL NERVE (ILIACUS) & DIRECT BRANCHES FROM THE LUMBAR PLEXUS (L1-L3
Iliopsoas origin and insertion
ORIGIN
PSOAS MAJOR: VERTEBAL BODIES AND COSTAL PROCESSES OF L1-L5
ILIACUS: ILIAC FOSSA
Insertion
LESSER TROCHANTER OF THE FEMUS
Iliospoas action
Flexion of thigh at hip joint
External rotation of thigh
ALSO:
- trunk flexion and lateral bending
Gluteus Maximus innervation
inferior gluteal nerve
Gluteal maximus Origin and insertion
Origin: lateral sacrum, posterior gluteal surface and thoracolumbar fascia
Insertion
- ITT and gluteal tuberosity (on femur)
MOA Gluteal maximus
hip extensor and external rotation of the hip
Note:
Upper fibers: ABDUCt
Lower fibres: ADDUCT
Gluteus medius innervation
superior gluteal nerve
Gluteus medius MOA
Abduction
Internal rotation
Anterior part - flexion
Posterior part - Extension and External rotation
Gluteus medius Origin and insertion
Origin - gluteal surface of the ilium
Insertion
lateral surface of great trochanter
gluteus minimus O and I
Origin: gluteal surface of ilium
Inserts: anterolateral surface of greater trochanter
gluteus minimus innervation
superior gluteal nerve
MOA gluteus minimus
ABDUCTIOn and internally rotation
anterior part - flexion
posterior [art- extension and external rotation
TENSOR FACIA LATA innervation
Superior gluteal nerve
TFL origin and insertion
Origin - ASIS
Inserts - iliotibial tract
Action of TFL
Hip ABDUCTION
Hip Flexion
Hip internal rotation
FIA
Quadriceps femoris origin
Rectus femoris: AIIS
Vests lateralis : LATERAL GREATER TROCHANTER, LATERAL TO LINEA ASPERA
Vests intermedialis: ANTERIOR 2/3RDS SHAFT OF FEMUR
Vestus medalis: DISTAL INTERTROCHANTERIC LINE, MEDIAL TO LINEA ASPERA
Quadriceps origin
patella and tibial tuberosity
Quadriceps innervation
femoral nerve
Quadriceps action
HIP flexion
Knee extension
Sartorius O and I
Origin: ASIS
Innervation: medial to tibial tuberosity ( with the gracilis and semitendinosus - res anserinus )
Sartorius innervation
femoral nerve ( l2,3,4)
Sartorius action
Hip flexion, ABduction, ER
(FABER)
Knee flexion and internal rotation
(FIR)
Gracillus innervation
Obturator nerve L2-4
Gracillus Origin and insertion
origin: Inferior pubic ramus
Insertion
Medial : tibial tuberosity - with the satoris and semitendinosus 0 res anserinus “goose foot”
action of gracillus
adduction and hip flexion
knee flexion and internal rotation
Pectineus O and I
O: pecten pubis
I: pectineal line and proximal lines aspera
Pectineus innervation
Femoral
Pecineus action
hip adduction and external rotation (minor flexor)