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Table 2 Individual interventions in IG and CG

From: Preoperative exercise in patients undergoing total knee arthroplasty: a pilot randomized controlled trial

Patient-Nr. Main problem / restriction (subj./obj.) Prehabilitation Total knee arthroplasty
01 • Pain while walking or standing • None. • Medacta GMK MyKnee, LBS Sphere, Inlay 10 mm fixed bearing medial pivot
02 • Pain during knee loading • None. • Zimmer Persona, Inlay 10 mm fixed bearing PS
03 • Reduced knee extension
• Pain
• PNF stretching: hamstrings, quadriceps
• Endurance: cycling ergometer
• Patient education: pain management, self-mobilization
• Medacta GMK MyKnee, Inlay 10 mm fixed bearing PS
04 • Pain during and after walking • None. • Medacta GMK MyKnee, Inlay 10 mm fixed bearing PS
05 • Knee varus
• Non-physiological gait pattern Reduced quadriceps innervation
• PNF stretching: quadriceps
• Endurance: cycling ergometer
• Patient education: knee mechanics and movement patterns
• Electromyostimulation training training: quadriceps
• Sensori-motor training: gait training without walking stick, balance exercises, movement pattern
• LINK Gemini SL, PorEx, Inlay 10 mm fixed bearing PS
06 • Pain • PNF stretching: hamstrings, quadriceps
• Endurance: cycling ergometer
• Patient education: pain management, self-training
• Sensori-motor training: balance, gait
• Strength training: coordination
• Medacta GMK MyKnee Hinge, Inlay 10 mm fixed bearing Hinge
07 • Pain when walking up the stairs or more than 500 m • None. • Medacta GMK MyKnee, Inlay 14 mm fixed bearing PS
08 • Pain when walking down the stairs. • None. • Medacta GMK MyKnee, Inlay 10 mm fixed bearing PS
09 • Impaired gardening
• Pain after long walks
• None. • Medacta GMK MyKnee, Inlay 14 mm fixed bearing PS
10 • Pain after resting for more than 15 min • None. • Medacta GMK MyKnee Revision, Inlay 10 mm fixed bearing SC
11 • Pain
• Reduced performance at work
• PNF stretching: hamstrings, quadriceps
• Endurance: walking on treadmill, cycling ergometer
• Patient education: pain management, self-training, movement patterns
• Electromyostimulation training: quadriceps
• Sensori-motor training: balance, gait
• Strength training: coordination, strength endurance, hypertrophy
• Zimmer Persona, Inlay 10 mm fixed bearing PS
12 • Reduced knee flexion
• Slight knee pain
• PNF stretching: quadriceps
• Endurance training: cycling ergometer, aqua jogging
• Patient education: pain management, self-training /−mobilization
• Sensori-motor training: balance, gait
• Medacta GMK MyKnee, Inlay 12 mm fixed bearing PS
13 • Reduced knee flexion and extension
• Pain
• Impaired sport performance
• PNF stretching: quadriceps and hamstrings
• Endurance training: cycling ergometer
• Patient education: intensity strength training, self-mobilization
• Sensori-motor training: gait, balance, movement pattern
• Strength training: coordination, strength endurance, hypertrophy
• Zimmer Persona, Inlay 10 mm fixed bearing PS
14 • Knee valgus
• Slight pain
• Reduced ADL performance
• PNF stretching: quadriceps, hamstrings
• Endurance training: crosstrainer
• Patient education: self-management, physiological movement pattern
• Proprioceptive training: gait, balance, ADL
• Strength training: coordination, strength endurance
• Medacta GMK MyKnee LBS Sphere, Inlay 13 mm fixed bearing medial pivot
15 • Weakness
• Reduced knee flexion and extension
• Slight pain
• PNF stretching: quadriceps, hamstrings
• Endurance training: pedal trainer
• Patient education: self-training, self-mobilization
• Strength training: coordination, strength endurance
• Medacta GMK MyKnee, Inlay 10 mm fixed bearing PS
16 • Pain in the morning and after walking down the stairs • None. • Zimmer Persona, Inlay 10 mm fixed bearing PS
17 • Stiffness
• Pain after walking
• None. • Medacta GMK MyKnee LBS Sphere, Inlay 13 mm fixed bearing medial pivot
18 • Pain when knee is loaded. • None. • Zimmer Persona, Inlay 11 mm fixed bearing PS
19 • Knee varus, reduced knee flexion, impaired sport performance • PNF stretching: quadriceps, hamstrings
• Endurance training: cycling ergometer
• Patient education: self-training /−mobilization, movement patterns, training intensity
• Sensori-motor training: gait, balance
• Strength training: coordination, strength endurance, hypertrophy
• Medacta GMK MyKnee LBS Sphere, Inlay 10 mm fixed bearing medial pivot
20 • Impaired 18-hole golf performance due to pain • PNF stretching: quadriceps, hamstrings
• Endurance training: cycling ergometer, treadmill walking
• Patient education: self-training/−mobilization, movement patterns, training intensity
• Sensori-motor training: gait, balance
• Strength training: coordination, strength endurance
• Medacta GMK MyKnee Revision, Inlay 10 mm fixed bearing semiconstrained
  1. Intensity strength training: coordination = 10–20% of 1 RM underloaded and not performed to momentary muscle failure; strength endurance = 30–50% of 1 RM performed to momentary muscle failure; hypertrophy = 50–80% of 1 RM performed to momentary muscle failure