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Table 1 Details of the exercises and progression of the high-speed resistance program in the three phases

From: High-speed resistance training and balance training for people with knee osteoarthritis to reduce falls risk: study protocol for a pilot randomized controlled trial

Exercise % 1RM Sets × repetitions Progression
Phase 1 – week 1–2 (4 sessions)
 Bilateral leg press 20–40% 2 × 8–12 Load to be increased by 5–10% (of 1RM or % of BW) once participant reaches the upper limit of repetitions during their last set of each exercise with correct technique and velocity of contraction. All weight-bearing exercises will begin using bodyweight only
aheight of chair/step adjusted to participant’s ability
aStep up 2 × 8–12
aSit to stand 2 × 8–12
 Calf raise 2 × 8–12
Phase 2 – week 3–5 (6 sessions)
 Bilateral leg press 40–60% 2 × 5–8 Load to be increased by 5–10% (of 1RM or % of BW) once participant reaches the upper limit of repetitions during their last set of each exercise with correct technique and velocity of contraction. All weight-bearing exercises will begin using bodyweight only
aStep up   2 × 5–8
aSit to stand 2 × 5–8
 Calf raise  
bSquat 2 × 5–8
bStair climbing 2 × 5–8
bLunge 2 × 5–8
Phase 3 – week 6–8 (6 sessions)
 Bilateral leg press 60–80 2–3 × 2–5 Load to be increased by 5–10% (of 1RM or % of BW) once participant reaches the upper limit of repetitions during their last set of each exercise with correct technique and velocity of contraction. All weight-bearing exercises will begin using bodyweight only
 Step up   2–3 × 2–5
 Sit to stand   2–3 × 2–5
 Calf raise   2–3 × 2–5
bSquat   2–3 × 2–5
bStair climbing   2–3 × 2–5
bLunge   2–3 × 2–5
  1. 1RM, one repetition maximum, BW body weight
  2. aheight of chair/step adjusted to participant’s ability
  3. bexercises to be added if participant is able to perform safely (in Phase 2 from week 4 onward)