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Work awarded in the Morecki & Fidelus scientific awards competition Kinetic differences between orthodox and southpaw stances: Analysis of four fundamental boxing punches Cover

Work awarded in the Morecki & Fidelus scientific awards competition Kinetic differences between orthodox and southpaw stances: Analysis of four fundamental boxing punches

Biomedical Human Kinetics
Volume 18 (2026): Issue 1 (January 2026)
By: Jakub Kacprzak,  Dariusz Mosler and  Jacek Wąsik  
Open Access
|Mar 2026

Figures & Tables

Figure 1

Research equipment: (A) force plate AMTI MC12-2K with a strike pad; (B) EMU sensor on upper limb

Figure 2

Illustration of recorded boxing techniques in orthodox stance: (A) jab, (B) cross, (C) lead hook, (D) rear hook and southpaw stance: (E) jab, (F) cross, (G) lead hook, and (H) rear hook

Figure 3

Pressure force across straight punches (Panel a: jab, cross) and hook punches (Panel b: lead hook, rear hook) performed in orthodox and southpaw stances. Boxplots display medians and interquartile ranges (IQR). Horizontal brackets and asterisks denote significant stance differences after Benjamini–Hochberg correction (*p < 0.05, **p < 0.01, ***p < 0.001; n.s. = non-significant)

Figure 4

Fist acceleration across four boxing punches (jab, cross, lead hook, and rear hook) performed in orthodox and southpaw stances. Panel a shows straight punches (jab and cross), and Panel b shows hook punches (lead and rear). Boxplots present median and interquartile ranges, with whiskers representing 1.5 × IQR and points indicating outliers. Asterisks denote significant stance differences based on Benjamini–Hochberg-corrected Wilcoxon tests (*p < 0.05; **p < 0.01; ***p < 0.001; n.s. = non-significant)

Figure 5

Combined boxplots illustrating aggregated comparisons of straight punches (jab + cross) and hook punches (lead + rear) across orthodox and southpaw stances. Panel a presents the pressure force, and Panel b shows fist acceleration. Boxplots display medians and interquartile ranges (IQR), with whiskers representing 1.5 × IQR and outliers shown as individual points. Horizontal brackets denote stance comparisons within each punch category, with significance levels based on Benjamini–Hochberg–corrected Wilcoxon tests (*p < 0.05; **p < 0.01; ***p < 0.001; n.s. = non-significant)
DOI: https://doi.org/10.2478/bhk-2026-0003 | Journal eISSN: 2080-2234
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Language: English
Page range: 34 - 43
Submitted on: Nov 20, 2025
|
Accepted on: Jan 9, 2026
|
Published on: Mar 23, 2026
Published by: University of Physical Education in Warsaw
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
Keywords:
boxing,
biomechanics,
southpaw stance,
punching force,
acceleration
Related subjects:
Medicine,
Basic medical science,
Basic medical science, other,
Clinical medicine,
Public health,
Sports and recreation,
Sports and recreation, other,
Physical education

© 2026 Jakub Kacprzak, Dariusz Mosler, Jacek Wąsik, published by University of Physical Education in Warsaw
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

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