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89 terms

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

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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