MOD Quiz #3 Flashcards
Location : Chest
Origin : Sternum, clavicle, ribs 1-6
Insertion : Proximal humerus
Actions : Adducts and flexes humerus
Pectoralis Major
Pectoralis Major Location
Chest
Pectoralis Major Origin
Sternum, clavicle, ribs 1-6
Pectoralis Major Insertion
Proximal humerus
Pectoralis Major Action
Adducts and flexes humerus
Location : Center abdomen
Origin : Pubis
Insertion : Sternum and ribs 5-7
Actions : Flexes and rotates the vertebral column
Rectus Abdominis
Rectus Abdominis Location
Center abdomen
Rectus Abdominis Origin
Pubis
Rectus Abdominis Insertion
Sternum and ribs 5-7
Rectus Abdominis Action
Flexes vertebral column
Location : Side of abdomen
Origin : Lower 8 ribs
Insertion : Iliac crest
Action : Flexes and rotates the vertebral column
External Oblique
External Oblique Location
Side of the abdomen
External Oblique Origin
Lower 8 ribs
External Oblique Insertion
Iliac crest (top of ilium)
External Oblique Action
Flexes and rotates the vertebral column
Location : Posterior “butt” muscle
Origin : Ilium and sacrum
Insertion : Proximal femur
Actions : Extend hip as in running
Gluteus Maximus
Gluteus Maximus Location
Posterior “butt” muscle
Gluteus Maximus Origin
Ilium and sacrum