Mario CrossFit's: Thoracic

What is the purpose and function of the Thoracic Spine? Here's a great blog post on it from a PT in England:

The Thoracic Spine from John Singleton on Vimeo.

Accroynms

AMRAP: As Many Rounds as Possible
BW: Body weight
C&J: Clean and jerk
C2: Concept II rowing machine
DL: Deadlift
FS: Front squat
GHD: Glute ham developer. Posterior chain exercise, like a back extension. Also, the device that allows for the proper performance of a GHD.
HSPU: Hand stand push up. Kick up into a handstand (use wall for balance, if needed) bend arms until nose touches floor and push back up.
KB: Kettlebell
KTE: Knees to elbows
MetCon: Metabolic Conditioning workout
MU: Muscle ups. Hanging from rings you do a combination pull-up and dip so you end in an upright support.
OHS: Overhead squat. Full-depth squat performed while arms are locked out in a wide grip press position above (and usually behind) the head.
PR: Personal record
PP: Push press
Rep: Repetition. One performance of an exercise.
Rx'd: As prescribed; as written. WOD done without any adjustments.
RM: Repetition maximum. Your 1RM is your max lift for one rep. Your 10 RM is the most you can lift 10 times.
SDHP: Sumo deadlift high pull (see exercise section)
Set: A number of repetitions. e.g., 3 sets of 10 reps, often seen as 3x10, means do 10 reps, rest, repeat, rest, repeat.
Subbed: Substituted. The CORRECT use of "subbed," as in "substituted," is, "I subbed an exercise I can do for one I can't," For example,if you can't do HSPU, you subbed regular pushups. Sadly, many illiterate posters get this bass-ackward, and claim that since they can't do HSPU, they subbed HSPU for pushups. D'oh!
WOD: Workout of the day

Mario CrossFit's

Thoracic

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