Muscles that Move the Hip, Thigh, Lower Leg, and Foot

89 terms by Lyudmila

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Iliopsoas Origin

Iliac Fossa

Lumbar vertebrae

Iliopsoas Insertion

Femur (lesser trochanter)

Iliopsoas Actions

Flexion of hip

Assists in abduction and lateral rotation of thigh

Rotates hip at SI joint

Iliopsoas

Iliopsoas

Rotate hip at SI joint

Gluteus Maximus Origin

Ilium

Sacrum

Coccyx

Gluteus Maximus Insertion

Femur (Greater Trochanter & ITB)

Gluteus Maximus Actions

Forceful extension of hip

Lateral rotation of extended hip

Gluteus Medius Origin

Ilium

Gluteus Medius Insertion

Femur

Gluteus Medius Actions

Abducts and rotates thigh medially

Gluteus Minimus Origin

Ilium

Gluteus Minimus Insertion

Femur

Gluteus Minimus Actions

Abducts and rotates thigh medially

Stabilizes pelvis on femur

Tensor Fasciae Latae Origin

Ilium

Tensor Fasciae Latae Insertion

Tibia (via ITB)

Tensor Fasciae Latae Actions

Assists abduction of thigh

braces knee walking

Tensor Fasciae Latae

May be involved w/ Gluteus Max. in ITB Syndrom

Quadratus Lumborum Origin

Iliac crest

Quadratus Lumborum Insertion

Lumbar vertebrae

Quadratus Lumborum Actions

Raises hip

or

Lateral flexion of trunk

Quadratus Lumborum

Commonly involved in low back pain

Commonly involved in low back pain

Quadratus Lumborum

Piriformis Origin

Anterior Sacrum

Piriformis Insertion

Femur

Piriformis Actions

Rotates thigh outward

Abducts and extends thigh

Piriformis

Lies in close proximity, superficial to the sciatic nerve

Lies in close proximity, superficial to the sciatic nerve

Piriformis

Adductor Brevis Origin

Pubic bone

Adductor Brevis Insertion

Femur

Adductor Brevis Action

Adducts thigh

Adductor Longus Origin

Pubic bone

Adductor Longus Insertion

femur

Adductor Longus Action

Adducts thigh

Adductor Magnus Origin

Pubic bone

Adductor Magnus Insertion

Femur

Adductor Magnus Action

Adducts thigh

Gracilis Origin

Pubic bone

Gracilis Insertion

Tibia

Gracilis Actions

Adducts thigh


Assists flexion and medial rotation of flexed knee

Sartorius Origin

Ilium

Sartorius Insertion

Tibia

Sartorius Actions

Weakly flexes thigh and leg

Adducts leg

Rotates thigh laterally and leg medially

Assists in crossing of the leg

Sartorius

Longest muscle in the body

Longest muscle in the body

Sartorius

Rectus Femoris Origin

Ilium

Acetabulum of femur

Rectus Femoris Insertion

Tibia

Rectus Femoris Actions

Flexes thigh

Extends leg at knee

Rectus Femoris

Most superficial quadriceps muscle

Most superficial quadriceps muscle

Rectus Femoris

Vastus Lateralis Origin

Femur

Vastus Lateralis Insertion

Tibia

Vastus Lateralis Action

Extends leg at knee

Vastus Medialis Origin

Femur

Vastus Medialis Insertion

Tibia

Vastus Medialis Action

Extends leg at knee

Vastus Intermedius Origin

Femur

Vastus Intermedius Insertion

Tibia

Vastus Intermedius Action

Extends leg at knee

Biceps Femoris Origin

Ischial Tuberosity

Biceps Femoris Insertion

Fibula

Biceps Femoris Actions

Flexes and rotates leg laterally

Extends thigh

Biceps Femoris

Most superficial hamstring muscle

Most superficial hamstring muscle

Biceps Femoris

Semitendinosus Origin

Ischial tuberosity

Semitendinosus Insertion

Tibia

Semitendinosus Actions

Flexes and Rotates leg medially

Extends thigh

Semimembranosus Origin

Ischial tuberosity

Semimembranosus Insertion

Tibia

Semimembranosus Actions

Flexes and rotates leg medially

Extends thigh

Semimembranosus

Most medial hamstring muscle

Most medial hamstring muscle

Semimembranosus

Gastrocnemius Origin

Femur

Gastrocnemius Insertion

Calcaneus

Gastrocnemius Action

Extends foot (plantar flexion)

or

flexes lower leg, not both

Soleus Origin

Tibia

Fibula

Soleus Insertion

Calcaneus

Soleus Action

Extends foot

(strongest plantar flexion of ankle)

Strongest plantar flexion of ankle

Soleus

Tibialis Anterior Origin

Tibia

Tibialis Anterior Insertion

Tarsal

and

Metatarsal

Tibialis Anterior Actions

Dorsiflexion of ankle;

Inversion of foot

Contributes to forming the "arch" of foot

Commonly involved in "shin splints"

Tibialis Anterior & Posterior

Tibialis Posterior Origin

Tibia

Fibula

Tibialis Posterior Insertion

Tarsal

Metatarsal

Tibialis Posterior Actions

Plantar flexion of ankle

Inversion of foot

Contributes to forming the "arch" of foot

Popliteus Origin

Femur

Popliteus Insertion

Tibia

Popliteus Actions

Initiates " unlocking" of extended knee by medial rotation of tibia

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