Anatomy Flashcards
Action of erector spinae
Extends spine; lateral flexion
Insertion of iliopsoas
Lesser trochanter of femur
Origin of sartorius
ASIS
What muscles insert in pes anterior? (Medial anterior flare of tibia)
Sartorius
Garcilis
Semitendinosus
Action of sartorius
Flexes hip and knee, ER Hip, IR knee
Origin/ insertion of rectus femoris
ASIS to tibial tubercle
Action of rectus femoris
Flexes hip
Extends knee
Action of tensor fascia lata
Flexes, abducts and IR thigh
Origin/ insertion of gluteus Maximus
Posterior iliac crest to gluteal tuberosity of femur
Action of gluteus maximus
Extend and ER hip
Origin of hamstrings
Ischial tuberosity
Insertion of biceps femoris
Head of fibula
Action of semimembranoaus
Flexes knee, extends hip and IR leg
Same as semitendinosus
Action of biceps femoris
Flexes knee, extends hip, ER leg
Insertion of gluteus medius
Greater trochanter of femur
Action of gluteus minimus
Abducts hip
Action of pectineus
Adduct hip, flexes hip, ER HIP
Insertion of adductor magnus
Adductor tubercle
Origin of adductor longus
Medial superior ramus
Action of gracilis
Flexes knee, assists in addiction, IR
Knee extensors insertion
Tibial tubercle
Muscles that cross hip and knee
Semitendinosus
Semimembranosus
Biceps femoris
Gracilis
Muscles that cross knee and ankle
Gastrocnemius
Action of popliteus
Flexes knee, unlocks knee from extension
Action of flexor digitorum longus
Plantar flexes ankle and flexes toes
Origin of flexor hallicus longus
Lower 2/3 surface of posterior fibula
Insertiin of anterior tibialis
First cuneiform and base of 1st met
Action of extensor digitorum longus
Extends toes and dorsiflex foot
Action of tibialis posterior
Plantar flexes and inverts
Foot invertors
Tibialis anterior and posterior
Action of peroneals
Plantar flexes and everts
Lisfranc amputation
After cuneiforms
Chopart amputation
Before cuboids
Have calcaneus and talus
Knee flexors
Sartorius Gracilis Semimembranosus Semitendinosus Popliteus Biceps femoris
Knee extensors
Quadriceps femoris
- rectus femoris
- vastus medialis
- vastus lateralis
- vastus intermedius
Knee ER
Biceps femoris
Knee IR
Sartorius
Semimembraneous
Semitendinous
Hip flexors
Iliopsoas Sartorius Gracilis Rectus femoris Pectineus TFL
Hip extensors
Gluteus Maximus Biceps femoris Piriformis Semitendinosus Semimembraneous
Abductors of hip
Sartorius
Pectineus
Gluteus medius
Gluteus minimus
IR of hip
Pectineus
Gluteus medius
Gluteus minimus
ER of hip
Sartorius Pectineus Piriformis Adductor magnus Obturator externus Gemellus Quadratus femoris
