Table 4.

Glenohumeral contact forces for 26 functional activities of daily living. Data are presented as mean and standard deviation (SD).

	Glenohumeral Contact Force [% BW]	Ratio of glenohumeral superior (+) – inferior (−) shear to compression force	Ratio of glenohumeral posterior (+) – anterior (−) shear to compression force
Reach back of head	33 (SD 8)	0.13 (SD 0.06)	−0.24 (SD 0.11)
Lift block to head height	55 (SD 18)	0.09 (SD 0.03)	−0.42 (SD 0.14)
Lift block to shoulder height	52 (SD 15)	0.10 (SD 0.04)	−0.40 (SD 0.16)
Brush left side of head	35 (SD 16)	0.12 (SD 0.07)	−0.52 (SD 0.19)
Clean back	39 (SD 14)	−0.57 (SD 0.27)	−0.16 (SD 0.07)
Drink from mug	29 (SD 9)	0.08 (SD 0.02)	−0.09 (SD 0.04)
Eat with hand	26 (SD 7)	0.13 (SD 0.03)	−0.14 (SD 0.09)
Eat with spoon	32 (SD 8)	0.09 (SD 0.02)	−0.16 (SD 0.08)
Lift shopping bag from floor	53 (SD 15)	−0.32 (SD 0.14)	−0.21 (SD 0.10)
Lift shopping bag on lap	69 (SD 22)	−0.30 (SD 0.13)	−0.27 (SD 0.12)
Reach opposite axilla	24 (SD 12)	0.17 (SD 0.09)	−0.52 (SD 0.24)
Perineal care	29 (SD 16)	−0.58 (SD 0.36)	−0.25 (SD 0.11)
Reach far ahead	52 (SD 24)	0.19 (SD 0.06)	−0.25 (SD 0.12)
Sit to stand	164 (SD 69)	0.41 (SD 0.20)	−0.50 (SD 0.22)
Driving slow right	35 (SD 11)	0.05 (SD 0.02)	−0.23 (SD 0.10)
Driving slow left	45 (SD 13)	0.06 (SD 0.03)	−0.20 (SD 0.07)
Driving fast right	33 (SD 9)	0.02 (SD 0.01)	−0.19 (SD 0.05)
Driving fast left	47 (SD 16)	0.09 (SD 0.04)	−0.23 (SD 0.08)
Extreme	48 (SD 24)	−1.09 (SD 0.41)	−0.62 (SD 0.25)
Pick and place	37 (SD 14)	0.88 (SD 0.36)	−0.84 (SD 0.34)
Pull	38 (SD 13)	−0.77 (SD 0.30)	−0.14 (SD 0.06)
Push	38 (SD 16)	−0.81 (SD 0.33)	−0.19 (SD 0.07)
Abduction slow	58 (SD 15)	0.28 (SD 0.09)	−0.23 (SD 0.08)
Abduction fast	54 (SD 17)	0.30 (SD 0.14)	−0.18 (SD 0.08)
Flexion slow	54 (SD 13)	0.13 (SD 0.05)	−0.19 (SD 0.06)
Flexion fast	51 (SD 14)	0.14 (SD 0.06)	−0.14 (SD 0.05)