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Muscle Quiz 2
Insertion-Origin-Action
24
Anatomy
11th Grade
01/05/2010

Additional Anatomy Flashcards

 


 

Cards

Term

 

 

 

External Oblique

Definition

Origin: Outer surfaces of lower ribs


Insertion: Outer lip of iliac crest and linea alba


Action: Tenses abdominal wall and compresses abdominal contents

Term

 

 

 

Internal Oblique

Definition

Origin: Crest of ilium and inguinal ligament


Insertion: Cartilages of lower ribs, linea alba, and crest of pubis


Action: Tenses abdominal wall and compresses abdominal contents

Term

 

 

 

Transversus Abdominis

Definition

Origin: Costal cartilages of lower ribs, processes of lumbar vertebrae, lip of iliac crest, and inguinal ligament


Insertion: Linea alba and crest of pubis


Action: Tenses abdominal wall and compresses abdominal contents

 

Term

 

 

 

Rectus Abdominis

Definition

Origin: Crest of pubis and symphysis pubis

 

Insertion: Xiphoid process of sternum and costal cartilages

 

Action: Tenses abdominal wall and compresses abdominal contents; also flexes vertebral column

Term

 

 

 

Rectus Abdominis

Definition

Origin: Crest of pubis and symphysis pubis

 

Insertion: Xiphoid process of the sternum and costal cartilages

 

Action: Tenses abdominal wall and compresses abdominal contents; also flexes vertebral column

Term

 

 

 

Levator Ani

Definition

Origin: Pubic bone and ischial spine

 

Insertion: Coccyx

 

Action: supports pelvic viscera and provides sphincterlike action in anal canal and vagina

Term

 

 

 

Superficial Transversus perinei

Definition

Origin: Ischial Tuberosity

 

Insertion: Central Tendon

 

Action: Supports pelvic viscera

Term

 

 

 

Bulbospongiosus

Definition

Origin: Central Tendon

 

Insertion: Males-Urogenital diaphragm and fascia of the penis. Females-pubic arch and root of clitoris

 

Action: Males-Assists emptying of urethra 

Females-Constricts vagina

Term

 

 

 

Ischiocavernosus

Definition

Origin: Ischial tuberosity


Insertion: Pubic arch


Action: Assists function of bulbospongiosus

Term

 

 

 

Gluteus Maximus

Definition

Origin: Sacrum, coccyx, and posterior

 

Insertion: Posterior surface of femur and fascia of thigh

 

Action: Extends thigh

Term

 

 

 

Gluteus Medius

Definition

Origin: Lateral surface of ilium


Insertion: Greater trochanter of femur


Action: Abducts and rotates thigh medially

Term

 

 

 

Gluteus Minimus

Definition

Origin: Lateral surface of ilium


Insertion: Greater trochanter of femur


Action: Abducts and rotates thigh medially

 

Term

 

 

 

Gracilis

Definition

Origin: Lower edge of symphysis pubis

 

Insertion: Medial surface of tibia

 

Actions: Adducts thigh, flexes and rotates lower limb medially

Term

 

 

 

Sartorius

Definition

Origin: Anterior superior iliac spine

 

Insertion: Medial siurface of tibia

 

Action: Flexes leg and thigh, abducts thigh, rotates thigh laterally, and rotates leg medially

Term

 

 

 

Hamstring Group Biceps Femoris

Definition

Origin: Ischial tuberosity and posterior surface of femur

 

Insertion: head of fibula and lateral condyle of tibia

 

Action: Flexes leg, extends thigh

Term

 

 

 

Semitendinosus

Definition

Origin: Ischial tuberosity

 

insertion: Medial surface of tibia

 

Action: Fixes leg, extends thigh

Term

 

 

 

Semimembranosus

Definition

Origin: Ischial tuberosity

 

Insertion: Medial condyle of tibia

 

Action: Flexes leg, extends thigh

Term

 

 

 

Quadriceps Femoris Group rectus Femoris

Definition

Origin: Spine of ilium and margin of acetabulum

 

Insertion: Patella by the tendon, which continues as patellar ligament to tibial tuberosity

 

Action: Extends leg at knee

Term

 

 

 

Vastus lateralis

Definition

Origin: Greater trochanter and posterior surface of femur

 

Insertion: Patella by the tendon, which continues as patellar ligament to tibial tuberosity

 

Action: Extends leg at knee

Term

 

 

 

Vastus Medialis

Definition

Origin: Medial surface of femur

 


Insertion: Patella by the tendon, which continues as patellar ligament to tibial tuberosity

 

Action: Extends leg at knee

Term

 

 

 

Vastus Intermedius

Definition

Origin: Anterior and lateral surfaces of femur

 


Insertion: Patella by the tendon, which continues as patellar ligament to tibial tuberosity

 

Action: Extends leg at knee

Term

 

 

 

Tibialis Anterior

Definition

Origin: Lateral condyle and lateral surface of tibia

 

Insertion: Tarsal bone (cuneiform) and first metatarsal

 

Action: Dorsiflexion and inversion of foot

Term

 

 

 

Gastrocemius

Definition

Origin: Lateral and medial condyles of femur

 

Insertion: Posterior surface of calcaneus

 

Action: Posterior flexion of foot and flexion of leg at knee

Term

 

 

 

Soleus

Definition

Origin: head and shaft of fibula and posterior surface of tibia

 

Insertion: Posterior surface of calcaneus

 

Action: Plantar flexion of foot

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