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Related Experiment Video

Updated: Sep 18, 2025

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb

Published on: August 30, 2016

Half Squat Mechanical Analysis Based on PBT Framework.

Miguel Rodal¹, Emilio Manuel Arrayales-Millán², Mirvana Elizabeth Gonzalez-Macías²

¹BioẼrgon Research Group, University of Extremadura, 10003 Cáceres, Spain.

Bioengineering (Basel, Switzerland)

|June 26, 2025

Summary

Power-Based Training (PBT) biomechanically analyzed the half squat (HS) in weightlifters. Increasing loads significantly reduced velocity, acceleration, and power, highlighting the need for detailed analysis in training and injury prevention.

Keywords:

exercise biomechanics half squat mechanical power power-based training

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Last Updated: Sep 18, 2025

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Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Subject-specific Musculoskeletal Model for Studying Bone Strain During Dynamic Motion

Published on: April 11, 2018

Area of Science:

Sports Biomechanics
Exercise Physiology

Background:

Muscular strength is crucial for athletic performance, mechanical power optimization, and injury prevention.
Understanding the biomechanics of exercises like the half squat (HS) is essential for effective training.

Purpose of the Study:

To biomechanically characterize the half squat (HS) using a Power-Based Training (PBT) approach.
To analyze the four distinct phases of the HS movement (lowering/lifting acceleration/deceleration).

Main Methods:

Utilized photogrammetry to track the center of mass of the subject-bar system during HS.
Calculated position, velocity, acceleration, mechanical power, and work with progressive loads (20-80% 1RM).
Involved five national-level weightlifters across U17, U20, and U23 categories.

Main Results:

Observed a significant decrease in velocity, acceleration, and mechanical power with increasing load.
Noted variations in movement phase duration and displacement range relative to load.
Demonstrated the impact of load on the neuromuscular demands of the half squat.

Conclusions:

The PBT approach and center of mass analysis offer a precise biomechanical understanding of the HS.
Findings are vital for optimizing HS application in research, performance planning, and athlete monitoring.
Emphasizes the importance of detailed analysis for neuromuscular demands and injury prevention.