QUADRICEPS TRAINING – RESEARCH
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STRENGTH STUDIES
QUADRICEPS: RECTUS FEMORIS, V. LATERALIS, V. MEDIALIS, V. INTERMEDIUS
– Squats, Deadlift, Leg Press, Lunge
Changes in Exercises Are More Effective Than in Loading Schemes to Improve Muscle Strength – 2014 – Fonseca
Procedure
– 4 Groups; 4 strength training loading schemes:
1. CICE – Squats only: constant load constant exercise
2. VICE – Squats only: varied load constant exercise
3. CIVE -Squats, Leg Press, Deadlift, Lunge: constant load varied exercise
4. VIVE -Squats, Leg Press, Deadlift, Lunge: varied load varied exercise
Results
Rectus Femoris: CIVE . VICE . CICE . VIVE
Vastus Medialis: CIVE . VIVE . VICE . CICE
Vastus lateralis: CIVE . CICE . VIVE . VICE
Vastus Intermedius: CIVE . VICE . CICE . VIVE
QUADRICEPS
– Full Squats 120º of Knee Flexion vs. Half Squats 60º Knee Flexion
Effect of range of motion in heavy load squatting on muscle and tendon adaptations – 2013- Bloomquist
Procedure
– Male students (n = 17) 2 weeks; compare the effects of squat training with a short vs. a long range of motion.
Results
1. Deep squat 120° of knee flexion: superior increases in front thigh muscle CSA (4-7 %)
2. Shallow squat 60º of knee flexion: changes in proximal not distal
– squat-jump performance (15 ± 3 %) were observed in the DS group compared to the SS group