Crossfit anatomy Flashcards
Thoracic
middle segment of vertebrae
Lumbar
The bottom 5 vertebrae
Leverage
mechanical advantage
Midline (frontal plane)
divides body into ventral and dorsal (anterior and posterior) halves
anterior (ventral)
front of body
posterior (dorsal)
back of body
deltoids
responsible for shoulder abduction and transverse etension
rhomboids
responsible for scapular retraction
pectoralis major
responsible for humerus flexion abductions and keeping arm attached to trunk of body
pectoralis minor
responsible for moving scapula anterioly
biceps brachii
responsible for flexion at elbow and supination of forearm (corkscrew)
rectus femoris
large middle muscle of the quads attaches to illium and is a hip extensor
vastus lateralis
most outside quad muscle
vatus medialis
most inside quad muscle
vastus intermedialis
middle quad muscle under the rectus femoris