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Table 2 Summary of eccentric training regimens

From: Effects of eccentric exercise in patients with subacromial impingement syndrome: a systematic review and meta-analysis

Study Duration Frequency Intensity Sets/reps Equipment Exercise(s)
Bateman et al. (2014) [38] 8 weeks 2 times/day Same intensity for all participants, increased for all after 4 weeks, pain during execution allowed but not specified 3 × 15 Elastic exercise band: yellow and red Full can with elastic band, only eccentric phase
Blume et al. (2015) [35] 8 weeks 2 times/week Approx. 70–80% of 1RM, no increase of pain during execution 3 × 12 Dumbbells Full can; sidelying ER; sidelying IR; supine protraction; sidelying horizontal abduction; sidelying abduction; prone shoulder extension; all with dumbbell, only eccentric phase + Pectoralis minor and posterior shoulder stretch, thoracic spine extension, pain-free AROM in flexion and abduction (accessory exercises done daily)
Chaconas et al. (2017) [34] 6 weeks 1 time/day Approx. 65% of 1RM (15–18 RM), no increase of pain during execution 3 × 15 TheraBand: green, blue, black, silver, gold ER with elastic band, only eccentric phase
+ Scapular retraction with elastic band, cross body posterior shoulder stretch
Dejaco et al. (2017) [37] 12 weeks 2 times/day Pain reproduction, but not over 5 of 10 (NPRS) during execution 3 × 8–15 Duraband Servofit + dumbbell 1 kg (when needed) ER with elastic band, only eccentric phase; empty can with/without dumbbell, only eccentric phase
Hallgren et al. (2014) [50] Same intervention as in Holmgren et al (2012), long-term results
Holmgren et al. (2012) [26] 12 weeks 2 times/day Pain reproduction, but not over 5 of 10 (VAS/NPRS) during execution 3 × 15 Dumbbells + elastic exercise band Full can with dumbbell, only eccentric phase; ER with elastic band, only eccentric phase
+  3 scapular stabilization exercises; posterior shoulder stretch
Maenhout et al. (2013) [25] 12 weeks 2 times/day Pain reproduction, but not over 5 of 10 (VAS/NPRS) during execution 3 × 15 Dumbbells + TheraBand: different colors Full can with dumbbell, only eccentric phase
+ ER/IR with elastic band, no increase of pain during execution (3 × 10, once daily)
Vallés-Carrascosa et al. (2018) [32] 4 weeks (painful eccentric exercise) 5 times/week Pain reproduction, but not over 40–50 mm VAS during execution 3 × 10 Dumbbells + elastic exercise band Full can with dumbbell, only eccentric phase
+ ER/IR with elastic band; 2 scapular stabilization exercises; trapezius-stretch
4 weeks (pain-free eccentric exercise) 5 times/week No pain during execution, VAS = 0 mm 3 × 10 Dumbbells + elastic exercise band Full can with dumbbell, only eccentric phase +
ER/IR with elastic band; 2 scapular stabilization exercises; trapezius-stretch
  1. Full can/empty can = shoulder abduction in scapular plane (scaption) with a thumbs up/thumbs down position; ER/IR external/internal rotation with neutral shoulder and elbow flexed 90°, RM Repetition Maximum, VAS Visual Analogue Scale, NPRS Numerical Pain Rating Scale
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