Beyond Full Range of Motion: Exploring Lengthened Partials in Training

Drs. Cody Haun and Daniel Lawson explore the recent study (PMID: 39995432) on lengthened partials following full range of motion training compared to full range of motion alone during a calf raise exercise. The discussion covers the potential mechanisms behind muscle growth, the definitions of failure in training, the study's design and results, and practical applications for trainees and practitioners.

Takeaways:

• Lengthened partials may promote more muscle growth than full range of motion.
• Mechanical tension is a primary driver for muscle hypertrophy.
• Understanding momentary failure vs. volitional failure during training.
• Bayesian statistics provide a different perspective on training effectiveness.
• The study showed that past failure lengthened partials appeared to result in better hypertrophy outcomes.
• Untrained populations may limit the generalizability of findings.
• Drop sets can be an effective and time-efficient training method.
• Managing fatigue and soreness is essential for effective training.
• Future research could provide deeper insights into training techniques.-Lengthened partials are a viable option for muscle growth.

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