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Table 1 Summary of exercise training and progression for participants in OKCE, CKCE and CCE groups

From: Effectiveness of three modes of kinetic-chain exercises on quadriceps muscle strength and thigh girth among individuals with knee osteoarthritis

Group/week OKCE CKCE CCE
Week 1 (a) Quadriceps Setting (10 repetitions)
(b) Cycling in the air (2 min for a bout)
(a) Quadriceps setting (10 repetitions)
(b) Wall slides (10 repetitions)
(a) Straight leg raising (10 repetitions)
(b) CKC Quadriceps setting (10 repetitions)
Week 2 (a) Quadriceps Setting (10 repetitions)
(b) Cycling in the air (2 min for a bout)
(c) Straight leg raising (10 repetitions)
(a) Quadriceps setting (10 repetitions)
(b) Wall slides (10 repetitions)
(a) Straight leg raising (10 repetitions)
(b) CKC Quadriceps setting (10 repetitions)
(c) Wall slides (10 repetitions)
Week 3 (a) Quadriceps Setting (10 repetitions)
(b) Cycling in the air (2 min for a bout)
(c) Straight leg raising with weight (new 10 RM)
(a) Quadriceps setting (10 repetitions)
(b) Wall slides with weight (new 10 RM)
(a) Straight leg raising with weight (new 10 RM)
(b) CKC Quadriceps setting (10 repetitions)
(c) Wall slides with weight (new 10 RM)
Week 4 (a) Quadriceps Setting (10 repetitions)
(b) Cycling in the air (2 min for a bout)
(c) Straight leg raising with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
(a) Quadriceps setting (10 repetitions)
(b) Wall slides with weight (new 10 RM)
(a) Straight leg raising with weight (10 RM)
(b) CKC Quadriceps setting (10 repetitions)
(c) Wall slides with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
Week 5 (a) Quadriceps Setting (10 repetitions)
(b) Cycling in the air (2 min for a bout)
(c) Straight leg raising with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
(a) Quadriceps setting (10 repetitions)
(b) Wall slides with weight (new 10 RM)
(a) Straight leg raising with weight (10 RM)
(b) CKC Quadriceps setting (10 repetitions)
(c) Wall slides with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
Week 6 (a) Quadriceps Setting (10 repetitions)
(b) Cycling in the air (2 min for a bout)
(c) Straight leg raising with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
(a) Quadriceps setting (10 repetitions)
(b) Wall slides with weight (new 10 RM
(c) Step up and down
(a) Straight leg raising with weight (10 RM)
(b) CKC Quadriceps setting (10 repetitions)
(c) Wall slides with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
Weeks 7–12 (a) Quadriceps Setting (10 repetitions)
(b) Cycling in the air (2 min for a bout)
(c) Straight leg raising with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
(a) Quadriceps setting (10 repetitions)
(b) Wall slides with weight (new 10 RM
(c) Step up and down with weight (new 10 RM)
(a) Straight leg raising with weight (10 RM)
(b) CKC Quadriceps setting (10 repetitions)
(c) Wall slides with weight (new 10 RM)
(d) Full arc extension (with new 10 RM as weight)
  1. 10 repetitions of each exercise were carried out per session (except for full-arc extension and air cycling)
  2. Cycling in the air (OKCE) was done continuously for 2 min for one bout of exercise
  3. Three bouts of 10 repetitions of full-arc extension (OKC) were performed
  4. Participants started with a weight equivalent to their 10RM and progressed by determining a new 10RM at the beginning of each week
  5. Dumbells were used for wall slides