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Muscle Action, Origin, Insertion and Innervation
Action, Origin, Insertion and Innervation of muscles on Sue Justis's practical #1
53
Anatomy
10/02/2010

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Cards

Term
What are the 5 muscles that originate at the Pubis?
Definition
Pectineus
Gracilis
Adductor Magnus
Adductor longus
Adductor brevis
Term
Name the action, origin, insertion and innervation of the pectineus muscle.
Definition
Action: Flexes and adducts thigh.
Origin: Superior ramus of pubis
Insertion: Femur, just distal to lesser trochanter.
Innervation: Femoral Nerve (l2-L4)
Term
Name the action, origin, insertion and innervation of the Gracilis muscle.
Definition

Action: Adducts thigh and flexes the leg.

 

Origin: Pubic symphsis and pubic arch.

 

Insertion: Medial surface of body of tibia.

 

Innervation: Obturator L2-L4

Term
Name the action, origin, insertion and innervation of the Adductor magnus muscle.
Definition
Action: Adducts and medially rotates thigh.
Anterior part flexes the thigh.
Posterior part extends the thigh.
Origin: Inferor ramus of pubis and ischium.
Insertion: Linea aspera of femur
Nerve: Obturator (L2-L4)
Term
Adductor longus origin and insertion:
Definition
Originates at pubis.

Inserts at Femur
Term
Adductor Brevis origin and insertion:
Definition
Originates at pubis

Inserts at Femur
Term
Name the 6 muscles that originate at the Ilium.
Definition
Iliacus
Sartorius
Rectus femoris
Gluteus maximus
Gluteus medius
Tensor fasciae latae
Term
Name the action, origin, insertion and innervation of the Tensor Fasciae Latae muscle:
Definition
Action: Flexes and aBducts the thigh.
Origin: Iliac crest
Insertion: Tibia by way of iliotibial tract.
Innervation: Superior Gluteal Nerve (L4, L5, S1)
Term
Name the action, origin, insertion and innervation of the Sartorius muscle:
Definition

Action: Flexes leg Flexes and laterally rotates thigh to cross legs.

Origin: Anterior SUPERIOR iliac spine.

Insertion: Medial surface of body of tibia Innervation:

Femoral (L4-L5)

Term
Name the action, origin, insertion and innervation of the Gluteus maximus:
Definition
Action:
Extends and rotates thigh laterally
Origin: Iliac crest
Insertion: Iliotibial tract and gluteal tuberosity of femur
Innervation: INFERIOR gluteal nerve (L5-S2)
Term
Name the action, origin, insertion and innervation of the Rectus femoris:
Definition
Action:
Flexes thigh and extends leg.
Origin:
Anterior INFERIOR iliac spine
Insertion:
Upper border of patella
Innervation: Femoral (L2-L4)
Term
Name the 3 muscles that originate at the Ischium:
Definition
Semimembranosus
Semitendinosus
Biceps Femoris
Term
Name the action, origin, insertion and innervation of the Semimembranosus:
Definition
Action:
Flexes leg and extends thigh
Origin:
Ischial tuberosity
Insertion:
Medial condyle of tibia
Innervation: sciatic-tibial (L4-S3)
Term
Origin of the semitendinosus:
Definition
Ischium
Term
Name the action, origin, insertion and innervation of the Biceps femoris longhead:
Definition
Action:
Flexes leg and extends thigh
Origin:
Ischial tuberosity
Insertion:
Head of fibula and lateral condyle of tibia.
Innervation: Femoral (L2-L4)
Term
Name the 5 bones that originate at the femur:
Definition
Vastus lateralis
Vastus medialis
Gastrocnemius
biceps femoris (short head)
Plantaris
Term
Name the action, origin, insertion and innervation of the biceps femoris (short head)
Definition
Action:
Flexes leg and extends thigh
Origin:
linea aspera of femur
Insertion:
Head of fuibula and lateral condyle of tibia.
Innervation:
Femoral (L2-L4)
Term
Name the action, origin, insertion and innervation of the Gastrocnemius:
Definition
Action:
Plantar flexes foot and flexes leg
Origin:
Lateral and medial condyles of femur
Insertion:
Calcaneus using achilles tendon
Nerve: Sciatic-tibial (L4-S3)
Term
Name the 8 muscles that INSERT at the Femur:
Definition
Psoas Major
Iliacus
Gluteus maximus
Gluteus medius
Pectineus
Adductor magnus
Adductor longus
Adductor brevis
Term
What is the 1 muscle that inserts at the Patella?
Definition
Quadriceps femoris
Term
What 4 muscles originate at the Tibia?
Definition
Tibialis anterior
Fibularis longus
Extensor digitorum longus
Soleus
Term
What 8 muscles insert at the Tibia?
Definition
Quadriceps femoris
Tensor fasciae latae
sartorius
Gracilis
Semimimbranosus
Biceps femoris
Semitendinosus
Semimembranosus
Term
Name the action, origin, insertion and innervation of the Tibialis anterior:
Definition
Action:
Dorsiflexes and inverts foot
Origin:
Lateral condyle and body of tibia
Insertion:
1st metatarsal and tarsus
Nerve: DEEP fibular (L4-S2)
Term
Name the action, origin, insertion and innervation of the Fibularis longus:
Definition
Action:
Plantar flexes and EVERTS foot
Origin:
Head and body of fibula and lateral condyle of tibia
Insertion: First metatarsal and tarsus
Nerve: Superficial Fibular
Term
Name the action, origin, insertion and innervation of the Extensor digitorum longus:
Definition
Action:
Dorsiflexes and everts foot and extends toes.
Origin:
Lateral condyle of tibia and anterior surface of fibula.
Insertion:
Middle and distal phalanges of 4 outer toes.
Innervation: Deep Fibular (L4-S2)
Term
Name the 4 muscles that originate at the Fibula:
Definition
Fibularis longus
Fibularis brevis
Extensor digitorum longus
Soleus
Term
what 1 muscle inserts at the fibula?
Definition
Biceps femoris.
Term
What 5 muscles insert at the Tarsals?
Definition
Gastrocnemius
Soleus
Plantaris
Tibialis anterior
Peroneus longus
Term
What 3 muscles insert at the Metatarsals?
Definition
Fibularis longus
Fibularis brevis
Tibialis anterior
Term
What muscle inserts at the phalanges?
Definition
Extensor digitorum longus
Term
Adductor Longus origin and insertion:
Definition
O: Pubis

I: Femur
Term
Adductor Brevis origin and insertion
Definition
O: Pubis

I: Femur
Term
Iliacus origin and insertion:
Definition
O: Ilium

I: Femur
Term
Gluteus medius origin and insertion:
Definition
O: Ilium

I: Femur
Term
Semitendinosus origin and insertion:
Definition
O: Ischium

I: Tibia
Term
Vastus Lateralis Origin:
Definition
O: Femur

Term
Vastus medialis origin:
Definition
Femur
Term
What is the origin of the Plantaris?
Definition
Femur
Term
What is the origin and insertion of the Psoas major?
Definition
O: Vertebrae

I: Femur
Term
What is the insertion of Quadriceps femoris? (2 bones)
Definition
patella and tibia
Term
Origin and insertion of Fibularis longus
Definition
O: Fibula

I: Metatarsals
Term
Insertion of the soleus
Definition
Tarsals
Term
what is the origin and insertion of the fibularis brevis
Definition
O: Fibula

I: Tarsals and Metatarsals
Term
What 4 muscles does the Femoral nerve innervate and what is its origin?
Definition
O: L2-L4

Muscles:
Iliacus, pectineus, sartorius, quadriceps femoris
Term
What 4 muscles does the Obturator nerve innervate and what is its origin?
Definition
O: L2-L4

Muscles:
Gracilis, adductor longus, adductor brevis, adductor magnus
Term
What muscle does the Superior gluteal nerve innervate and what is its origin?
Definition
O: L4-L5, S1

Muscle: Gluteus medius
Remember medius is superior, maximus is inferior
Term
What muscle does the Inferior gluteal nerve innervate and what is the origin?
Definition
O: L5-S2

Muscle: Gluteus Maximus

Remember, medius is superior and maximus is inferior
Term
Sciatic/Tibial origin and 6 muscles of innervation:
Definition
O: L4-S3

Muscles:
Biceps femoris, semitendinosus, semimembranosus, gastrocnemius, soleus, plantaris
Term
What 2 muscles does the Superficial fibular innervate and where is its origin?
Definition
Fibularis Longus and brevis
Origin at L4-S2
Term
What 2 muscles does the Deep fibular nerve innervate and what is its origin?
Definition
Muscles: Tibialis anterior and extensor digitorum longus
Origin: L4-S2
Term
What 2 muscles does the Deep fibular nerve innervate and what is its origin?
Definition
Muscles: Tibialis anterior and extensor digitorum longus
Origin: L4-S2
Term
Name the 11 muscles that move the femur
Definition
Iliopsoas
Iliacus
Psoas major
Gluteus maximus
Gluteus medius
Tensor fasciae latae
Iliotibial tract
Pectineus
Adductors Magnus, Longus and brevis
Term
Medial (ADDUCTOR) compartment of femur (4)
Definition
Pectineus
Adductor magnus
Adductor brevis
Adductor longus