Effect of Therapy Ball Seating on Learning and Sitting Discomforts among Saudi Female Students

Table 2

Cornell Musculoskeletal Discomfort Questionnaire scores of subjects seated on chair and ball.

	Neck		Shoulder		Low back		Hip		Knee
	Chair	Ball	Chair	Ball	Chair	Ball	Chair	Ball	Chair	Ball
Mean	28.3	2.4	22.6	0.6	10.3	1.40	1.2	0.2	0	0.3
SD	4.98	1.48	5.77	0.5	8.2	0.85	0.6	0.6	0	0.9
SE	0.78	0.23	0.91	0.11	1.29	0.13	0.09	0.1	0	0.14
𝑡-value	2.1		1.25		1.30		1.62		0.02
𝑃< 0.05 level of significance

SD: standard deviation; SE: standard error; 𝑡-value: 𝑡-test scores.