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Cards In This Set
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Origin: Outer surface of lower ribs
Insertion: Outer lip of iliac crest and linea alba Action: Tenses abdominal wall and compresses abdominal contents |
Eternal oblique
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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 |
Internal oblique
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Origin: Costal cartiliages of lower ribs, processes of lumbar verebrae, lip of iliac crest, and inguinal ligament
Insertion:Linea alba and crest of publis Action: Tenses abdominal wall and compresses abdominal contents |
Transversus abdominis
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Origin: Crest of publis and symphysis publis
Insertion: Xiphoid pocess of sternum and costal cartilages Action: Tenses abdominal wall and compresses abdominal content; also flexes vertebral column |
Rectus abdominis
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Origin: Public bone and iscial spine
Insertion: Coccyx Action: Supports pelvic viscera and provides sphincterlike action in anal canal and vagina |
Levator ani
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Origin: Ischial tuberosity
Insertion: Central tendon Action: Supports pelvic viscera |
Superficial transversus perinei
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Origin: Central tendon
Insertion:Males: Urongenital diaphragm and fascia of the penis Females: Pubic arch and root of clitoris Action: Males: Assists emptying of urethra Females: Constricts vagina |
Bulbospongiosus
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Origin: Ischial tuberosity
Insertion: Pubic arch Action: Assists functions of bulbospongiosus |
Ischiocavernosus
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Origin: Sacrum, coccyx, and posterior surface of ilium
Insertion: Posterior surface of femur and fascia of thigh Action: Extends thigh |
Gluteus maximus
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Origin: Lateral surface of ilium
Insertion: Greater trochanter of femur Action: Abducts and rotates thigh medially |
Gluteus medius
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Origin: Lateral surface of ilium
Insertion: Greater trochanter of femur Action: Abducts and rotates thigh medially |
Gluteus minimus
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Origin: Lower edge of symphysis pubis
Insertion: Medial surface of tibia Action: Adducts thigh, flexes and rotates lower limb medially |
Gracilis
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Origin: Anterior superior iliac spine
Insertion: Medial surface of tibia Action: Flexes leg and thigh, abducts thigh, rotates thigh laterally, and rotates leg medially |
Sartorius
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Origin: Ischial tuberosity and posterior surface of femur
Insertion: Head of fibula and lateral condyle of tibia Action: Flexes leg, extends thigh |
Hamstring group Biceps femoris
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Origin: Ischial tuberosity
Insertion: Medial surface of tibia Action: Flexes leg, extends thigh |
Semitendinosus
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