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Lab 6b.4
N/A
40
Anatomy
Undergraduate 2
10/24/2009

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Cards

Term
What is the origin of the piriformis m?
Definition
anterior surface of sacrum
Term
What is the insertion of the piriformis m?
Definition
greater trochanter of femur
Term
What is the action of the piriformis m?
Definition
laterally rotates thigh
Term
What is the innervation of the piriformis m?
Definition
N. to piriformis
Term
What is the origin of the semimembransosus m?
Definition
ishial tuberosity
Term
What is the insertion of the semimembranosus m?
Definition
posterior surface of medial condyle of tibia
Term
What is the action of the semimembranosus m?
Definition
extends thigh, flexes leg
Term
What is the innervation of the semimembranosus m?
Definition
Tibial n.
Term
What is the origin of the semitendinosus m?
Definition
ishial tuberosity
Term
What is the insertion of the semitendinosus m?
Definition
medial surface of proximal tibia
Term
What is the action of the semitendinosus m?
Definition
extends thigh, flexes leg
Term
What is the innervation of the semitendinosus m?
Definition
Tibial n.
Term
What is the origin of the biceps femoris long head m?
Definition
ishchial tuberosity
Term
What is the insertion of the biceps femoris long head m?
Definition
head of fibula
Term
What is the action of the biceps femoris long head m?
Definition
extends thigh, flexes leg
Term
What is the innervation of the biceps femoris long head m?
Definition
Tibial n.
Term
What is the origin of the biceps femoris short head m?
Definition
Linea aspera
Term
What is the insertion of the biceps femoris short head m?
Definition
head of fibula
Term
What is the action of the biceps femoris short head m?
Definition
extends thigh, flexes leg
Term
What is the innervation of the biceps femoris short head m?
Definition
Common fibular n.
Term
What is the origin of the pectineus m?
Definition
superior pubic ramus
Term
What is the insertion of the pectineus m?
Definition
posterior femur just distal to lesser trochanter
Term
What is the action of the pectineus m?
Definition
adducts and flexes thigh
Term
What is the innervation of the pectineus m?
Definition

  • obturator n
  • femoral n

Term
What is the origin of the adductor longus m?
Definition
anterior pubis near symphysis, proximal to adductor brevis
Term
What is the insertion of the adductor longus m?
Definition
linea aspera distal to adductor brevis
Term
What is the action of the adductor longus m?
Definition
adducts thigh
Term
What is the innervation of the adductor longus m?
Definition
obturator n.
Term
What is the origin of the adductor brevis m?
Definition

  • anterior pubis
  • inferior pubic ramus

Term
What is the insertion of the adductor brevis m?
Definition
linea aspera proximal to adductor longus m
Term
What is the action of the adductor brevis m?
Definition
adducts thigh
Term
What is the innervation of the adductor brevis m?
Definition
Obturator n.
Term
What is the origin of the gracilis m?
Definition
inferior pubic ramus near symphysis
Term
What is the insertion of the gracilis m?
Definition
medial surface of proximal tibia
Term
What is the action of the gracilis m?
Definition
adducts thigh, flexes leg
Term
What is the innervation of the gracilis m?
Definition
obturator n.
Term
What is the origin of the adductor magnus m?
Definition

  • inferior pubic ramus
  • ischial ramus
  • ischial tuberosity

Term
What is the insertion of the adductor magnus m?
Definition

  • linea aspera
  • adductor tubercle

Term
What is the action of the adductor magnus m?
Definition
adducts and extends thigh
Term
What is the innervation of the adductor magnus m?
Definition

  • obturator n
  • tibial n

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