Table 2 Correlation between the Center of Glenohumeral Contact Area and the Center of Humeral Head.

From: Four-dimensional computed tomography evaluation of shoulder joint motion in collegiate baseball pitchers

Shoulder positions

Total translation, mm

Superior translation, mm

Anterior translation, mm

Medial translation, mm

Dominant

Non-Dominant

Dominant

Non-Dominant

Dominant

Non-Dominant

Dominant

Non-Dominant

CGCA

CHH

CGCA

CHH

CGCA

CHH

CGCA

CHH

CGCA

CHH

CGCA

CHH

CGCA

CHH

CGCA

CHH

Original

0

0

0

0

0

0

0

0

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

0.0000

1st MID EI

0.7681

0.9746

0.7681

0.9746

0.3374

− 0.0726

0.4764

− 0.1068

− 0.3343

0.7964

− 0.1791

0.8104

− 0.0424

0.0184

0.0148

− 0.2040

1st MIR

0.8494

1.2049

0.8494

1.2049

0.3575

0.0418

0.3969

− 0.0675

− 0.5796

0.6058

− 0.9913

1.2999

− 0.0594

0.2014

0.0756

0.1257

1st MID IE

0.7011

0.8119

0.7011

0.8119

0.2022

− 0.0790

0.3314

− 0.0468

− 0.3382

0.4472

− 0.3172

0.7955

− 0.0395

− 0.2160

0.1159

− 0.1509

1st MER

0.3578

0.4022

0.3578

0.4022

0.0989

−0.0199

0.1614

− 0.0814

0.0330

− 0.2294

− 0.0107

0.1609

− 0.0426

− 0.0980

− 0.0313

− 0.1570

2nd MID EI

0.6831

0.6933

0.6831

0.6933

0.1234

0.0247

0.2558

0.0692

− 0.3244

0.4533

− 0.5495

0.4900

− 0.0198

− 0.1178

0.0126

− 0.1585

2nd MIR

0.8921

1.0669

0.8921

1.0669

0.2684

− 0.1472

0.3310

− 0.0008

− 0.5386

0.5449

− 0.8590

0.9150

− 0.0539

0.0881

− 0.0328

0.0832

2nd MID IE

0.6516

0.8146

0.6516

0.8146

0.2910

− 0.0639

0.1648

− 0.0803

− 0.2440

0.5116

− 0.2497

0.8015

− 0.0176

− 0.0168

− 0.0122

− 0.2345

2nd MER

0.4138

0.4480

0.4138

0.4480

− 0.0517

− 0.0814

− 0.0199

− 0.0199

0.1674

0.1674

− 0.1401

− 0.1955

− 0.0390

− 0.1570

− 0.0980

− 0.0980

Correlation

0.9763

0.9535

− 0.0914

− 0.3180

− 0.7855

− 0.7552

− 0.3287

0.0874

  1. CGCA: Center of glenohumeral contact area.
  2. CHH: Center of humeral head.
  3. MER: Maximum external rotation.
  4. MIR: Maximum internal rotation.
  5. MID EI: Midpoint from MER to MIR.
  6. MID IE: Midpoint from MIR to MER.