muscular OIA Flashcards
Diaphragm
Sternum, Ribs, Lumbar vertebrae
Central tendon
Inspiration
External intercostal
Inferior border of ribs
Superior border of immediate rib below
elevates ribcage; forced inspiration
Internal intercostal
Costal groove of ribs
Superior border of immediate rib below
depresses ribcage; force expiration
External oblique
R5 – R12
Iliac Crest
Supports body wall
Internal oblique
Iliac crest
R10 – R12
Supports body wall
Transverse abdominis
lower ribs & iliac crest
pubis
Compresses abdomen
Rectus abdominis
Pubis
Sternum and R5 – R7
Flexes vertebral column
Latissimus dorsi
Lower spine & ilium
Proximal end of humerus
Adducts & extends humerus
Flexor carpi radialis
Distal humerus
2nd – 3rd metacarpals
Flexes wrist & abducts hand
Flexor carpi ulnaris
Distal humerus & posterior ulna
Carpals of wrist & 5th metacarpal
Flexes wrist & abducts hand
Flexor digitorum superficialis
Distal humerus, ulna, & radius
Middle phalanges of 2nd – 5th
Flexes wrist & fingers
Brachioradialis
Humerus
Distal forearm
Flexes lower arm
Extensor carpi radialis
Humerus
Base of 2nd – 3rd metacarpals
Extends wrist and abducts hand
Extensor digitorum
Distal humerus
Distal phalanges 2nd – 5th
Extends fingers
Gluteus maximus
Sacrum & iliac bones
Gluteal tuberosity of femur & into large tendinous iliotibial tract
Extends thigh