Table I.

Glenohumeral: Scapulothoracic ratios for arm elevation and arm lowering movements for each subject at intervals throughout the arc of reaching overhead motion.

Subject	Phase	Min-Max	30°-Max	Min-30°	30°-60°	60°-90°	90°-120°
1	Raising Lowering	2.10 2.10	2.01 1.68	2.31 3.72	2.49 2.59	1.91 1.52	2.30 1.65
2	Raising Lowering	2.11 2.16	2.01 1.80	6.55 8.37	2.18 3.03	1.91 1.38	2.17 2.01
3	Raising Lowering	2.12 2.15	2.03 2.48	3.14 2.20	1.98 1.40	2.49 2.50	2.10 3.49
4	Raising Lowering	2.59 2.80	2.73 3.14	2.15 2.07	2.20 2.34	3.55 3.05	2.5 4.06
5	Raising Lowering	2.48 2.48	2.74 3.44	1.59 0.96	2.10 2.40	2.75 3.27	2.68 6.28
6	Raising Lowering	1.65 1.43	1.48 1.00	5.07 2.02	2.22 1.60	1.60 0.61	1.04 1.75
7	Raising Lowering	3.36 3.88	3.27 3.65	3.86 3.35	3.44 4.02	3.94 3.13	2.64 4.23
8	Raising Lowering	2.27 2.42	1.81 1.89	7.89 5.43	4.16 3.32	3.37 1.83	1.43 1.61
9	Raising Lowering	2.42 3.36	2.30 3.87	4.85 0.69	2.51 5.47	2.53 3.50	3.00 3.87
10	Raising Lowering	2.09 2.22	2.11 2.17	4.58 2.02	1.64 1.56	2.17 2.43	2.31 2.37
11	Raising Lowering	2.38 3.21	2.77 4.17	1.38 0.31	1.58 2.64	2.17 3.95	4.64 5.03
12	Raising Lowering	2.90 2.97	2.45 3.46	1.11 0.86	1.86 2.79	4.17 5.90	3.14 4.75
Mean (+/− sd)	Raising	2.37 ± 0.44	2.31 ± 0.50	3.71 ± 2.15	2.36 ± 0.75	2.71 ± .85	2.50 ± 0.90
Mean (+/− sd)	Lowering	2.60 ± 0.67	2.73 ± 1.02	2.67 ± 2.31	2.76 ± 1.14	2.76 ± 1.40	3.43 ± 1.54