Scapular Dyskinesis

Stretching: The Truth

I'm planning on a series of articles to update our readers on some of the current concepts in pitcher related injuries and diagnoses that most fans have not heard much about.

We've all had our fill of reading about pitchers with rotator cuff and glenoid labrum tears. There are some interesting trends in sportsmedicine that have lead to changes in exercise programs throughout the majors and minors in an attempt to protect pitchers from a cascade of preventable injuries most fans don't know about.

Diagnoses such as:

GIRD: (Glenohumeral Internal Rotation Deficit...not to be confused with the stomach malady also known as GERD which Cubs fans get from watching too many losses). Pitching (both cocking phase and deceleration phase) leading to a tight or thickened posterior shoulder capsular ligament plus a loose anterior capsule and loss of internal rotation of the shoulder. Extra external rotation of the shoulder develops at the expense of internal rotation.

Scapular Dyskinesia: Shoulder blade weakness with altered kinematics.

Internal Impingement: Thought to be related to posterior shoulder contracture from GIRD with subsequent instability of the shoulder as the humeral head (ball of the shoulder joint) which shifts back/posteriorly and upward/superiorly). This is a different entity from subacromial or rotator cuff impingement which is more common and typically occurs from friction outside the shoulder joint.

...and finally connecting the dots, sorting out how the the injured or weakened shoulder (scapula) leads to severe strain on the elbow and tearing of the Ulnar Collateral Ligament (aka the Tommy John injury).

My attention to this topic started last summer, when  I heard a remarkable interview on XM radio with renown Orthopedic Surgeon, Dr. Craig D. Morgan with hosts Jim Memolo and Rob Dibble. The focus of the interview was Stephen Strasburg's shoulder tightness and the subsequent ulnar collateral ligament elbow injury that lead to "Tommy John" reconstruction of that ligament last summer. Dr. Morgan said that he had predicted elbow problems in Strasburg by watching the way he held his shoulder.

More on how the arm bone is connected to the...after the jump.

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  • Torres a late scratch from the Pelicans game and no word of injury or signs of foul play with the unis. May be a trade a brewing after all?

    Edit: now word he was a late scratch due to a "headache". Hmmm

    Eric S 29 min 49 sec ago view
  • Hopefully Zobrist is regaining his stroke and KB can move back down to third or fourth in the order. Did not realize the zero rbi's in over a week - glad Rizzo and Russell picking up the slack

    Eric S 35 min 2 sec ago view
  • Just had to ask, I guess.

    Haven't had a big comeback win in a long time (at least it seems like a long time). Great feeling!

    Rizzo should hold clinics on 2-strike hitting. Awesome.

    billybucks 2 hours 6 min ago view
  • cubs!!!!!

    cubs lead in the top 7th!

    crunch 3 hours 22 min ago view
  • so nastay...

    triple, walk, domination

    crunch 3 hours 38 min ago view
  • And he gets out of it by K-ing Braun, Lucroy and Carter!

    Let's get some runs!

    billybucks 3 hours 41 min ago view
  • welcome to the cubs j.nathan.

    2 pitches into the inning and there's a guy on 3rd with 0 outs (triple).

    his velocity is hanging around 91/92mph.

    crunch 3 hours 58 min ago view
  • Always a good idea to bring in Richard against a LH batter.

    billybucks 4 hours 20 min ago view
  • Russell left game with left heel contusion from foul ball on Saturday. Started to bother him during the Sunday game.

    Cubster 4 hours 36 min ago view
  • a.russell out and down into the clubhouse...no one knows why.

    it's very hot on the field, so it might be heat related.

    crunch 4 hours 56 min ago view
  • I blame the All-Star game again, or else Michael Barrett.

    Cubster 5 hours 9 min ago view
  • Miller park roof is closing. Hmmm, might play differently now?

    Lester at 72 pitches through 3. Roof closing might get him through 6.

    Middlebrows pulls a calf or hamstring. Len says he blew a tire rounding 1st. Nieuwenhuis enters game.

    Now roof opening. Dizziness. No AC in the ballpark wrt the field.

    Cubster 5 hours 10 min ago view
  • just to lighten the mood:
    Shark's day: 5.2 IP 5 Runs (all earned), 8 Hits, 2 HR. Left the game down 5-0 to Yankees.

    Anyone expecting game 4 NLCS Shark vs Hammel or Lackey?

    Cubster 5 hours 18 min ago view
  • First inning: two on, no out, Rizz and Zobrist due up. Don't score.
    Third inning: two on, one out, KB and Rizz due up. Don't score.

    This is getting' old, fellahs.

    billybucks 5 hours 19 min ago view
  • KB still with ZERO RBI since the A/S break. Ouch.

    billybucks 5 hours 22 min ago view
  • 62 through 2ip...yow.

    it's an off day for d.ross, too. the wild pitch + passed ball in 2 separate strike 3 calls allowing the runner to reach 1st and the 5sb through 2ip makes for a bad game so far. ross cant shoulder any blame for some of those SBs, especially that villar steal of 3rd while lester watched him.

    crunch 5 hours 25 min ago view