J Clin Med Res

Journal of Clinical Medicine Research, ISSN 1918-3003 print, 1918-3011 online, Open Access

Article copyright, the authors; Journal compilation copyright, J Clin Med Res and Elmer Press Inc

Journal website http://www.jocmr.org

Original Article

Volume 4, Number 6, December 2012, pages 378-384

Medical Exercise Therapy is Effective After Arthroscopic Surgery of Degenerative Meniscus of the Knee: A Randomized Controlled Trial

**Table 1.** The Exercise Program for the Medical Exercise Therapy Group Performed During the 12 Weeks
	Exercise	Dosage
^*Exercises in closed kinetic chain with less than body weight.
1	Stationary bicycling	10 - 20 minutes
2	Deloaded^* step up	3 × 30 repetitions
3	Deloaded^* knee extension	3 × 30 repetitions
4	Squat	3 × 30 repetitions
5	Stationary bicycling	10 minutes
6	Deloaded^* step down	3 × 30 repetitions
7	Loaded knee extension, open chain	3 × 30 repetitions
8	Deloaded^* knee extension	3 × 30 repetitions
9	Stationary bicycling	10 minutes

Table 1. The Exercise Program for the Medical Exercise Therapy Group Performed During the 12 Weeks

Exercise

Dosage

^*Exercises in closed kinetic chain with less than body weight.

Stationary bicycling

10 - 20 minutes

Deloaded^* step up

3 × 30 repetitions

Deloaded^* knee extension

3 × 30 repetitions

Squat

3 × 30 repetitions

Stationary bicycling

10 minutes

Deloaded^* step down

3 × 30 repetitions

Loaded knee extension, open chain

3 × 30 repetitions

Deloaded^* knee extension

3 × 30 repetitions

Stationary bicycling

10 minutes

**Table 2.** Baseline Characteristics of the Study Population. Mean (SD) Values, Unless Otherwise Noted
	Exp group (n = 36)	Con group (n = 34)	Total (n = 70)
^* According to the Outerbridge classification (Cameron et al 2003).
Age, years	46.3 (8.3)	46.3 (8.9)	46.3 (8.6)
Weight, kg	79.6 (9.8)	80.1 (9.8)	79.9 (9.7)
Height, cm	177.2 (7.6)	176.3 (6.2)	176.7 (6.9)
Duration of symptoms, years	2.1 (2.3)	2.1 (1.6)	2.1 (2.0)
Gender (% female)	12 (33)	11 (32)	23 (33)
Osteoarthritis 1^* (%)	9 (25)	6 (18)	15 (21)
Osteoarthritis 2^* (%)	3 (8)	7 (21)	10 (14)

Table 2. Baseline Characteristics of the Study Population. Mean (SD) Values, Unless Otherwise Noted

Exp group (n = 36)

Con group (n = 34)

Total (n = 70)

^* According to the Outerbridge classification (Cameron et al 2003).

Age, years

46.3 (8.3)

46.3 (8.9)

46.3 (8.6)

Weight, kg

79.6 (9.8)

80.1 (9.8)

79.9 (9.7)

Height, cm

177.2 (7.6)

176.3 (6.2)

176.7 (6.9)

Duration of symptoms, years

2.1 (2.3)

2.1 (1.6)

2.1 (2.0)

Gender (% female)

12 (33)

11 (32)

23 (33)

Osteoarthritis 1^* (%)

9 (25)

6 (18)

15 (21)

Osteoarthritis 2^* (%)

3 (8)

7 (21)

10 (14)

**Table 3.** Mean (SD) Outcome Values in the Groups at Baseline and After 3 Months, Mean (SD) Within Groups Changes, and Adjusted Mean (95% CI) Difference Between Groups After 3 Months
	Outcome within groups^† Pre-test	Groups between groups^‡ Post-test	Difference	Adjusted difference
Abbreviations: Exp, experimental group (EG); Con, control group (CG). ^* The adjusted difference between groups were all significant at P < 0.01, all in favor of the experimental group. ^† Post minus pre; change scores. ^‡ Post-test scores of the primary outcomes were all adjusted for baseline values.
VAS	3.3 (2.1)	2.9 (1.5)	1.4 (1.4)	2.3 (1.3)	-1.9 (1.6)	-0.6 (0.6)	-1.1^* (-1.5 to -0.6)
FiveRM	11.6 (4.3)	12.5 (5.2)	20.2 (5.4)	14.5 (5.2)	8.6 (3.8)	2.0 (2.3)	6.5^* (5.0 to 8.0)
KOOS	48.0 (21.7)	43.4 (22.9)	30.0 (17.7)	36.9 (23.1)	-18.0 (10.9)	-6.5 (6.4)	-10.7^* (-14.7 to -6.7)

Table 3. Mean (SD) Outcome Values in the Groups at Baseline and After 3 Months, Mean (SD) Within Groups Changes, and Adjusted Mean (95% CI) Difference Between Groups After 3 Months

Outcome within groups^† Pre-test

Groups between groups^‡ Post-test

Difference

Adjusted difference

Exp (n = 36)

Con (n = 34)

Exp (n = 36)

Con (n = 34)

Exp

Con

Abbreviations: Exp, experimental group (EG); Con, control group (CG). ^* The adjusted difference between groups were all significant at P < 0.01, all in favor of the experimental group. ^† Post minus pre; change scores. ^‡ Post-test scores of the primary outcomes were all adjusted for baseline values.

VAS

3.3 (2.1)

2.9 (1.5)

1.4 (1.4)

2.3 (1.3)

-1.9 (1.6)

-0.6 (0.6)

-1.1^* (-1.5 to -0.6)

FiveRM

11.6 (4.3)

12.5 (5.2)

20.2 (5.4)

14.5 (5.2)

8.6 (3.8)

2.0 (2.3)

6.5^* (5.0 to 8.0)

KOOS

48.0 (21.7)

43.4 (22.9)

30.0 (17.7)

36.9 (23.1)

-18.0 (10.9)

-6.5 (6.4)

-10.7^* (-14.7 to -6.7)