MétaCan
Menu
Back to cohort
Record W7132137613

Lombard's Paradox

2025· dissertation· hr· W7132137613 on OpenAlexaboutno aff
Marta Mezulić

Bibliographic record

VenueRepository of Faculty of Kinesiology, University of Zagreb - KIFoREP · 2025
Typedissertation
Languagehr
FieldMedicine
TopicNerve Injury and Rehabilitation
Canadian institutionsnot available
Fundersnot available
KeywordsObject (grammar)Human beingWork (physics)
DOInot available

Abstract

fetched live from OpenAlex

Ovaj pregledni rad istražuje paradoksalnu kokontrakciju dvozglobnih mišića donjih ekstremiteta, s posebnim naglaskom na Lombardov paradoks. Taj fenomen opisuje djelovanje dvozglobnih mišića (npr. m. rectus femoris i mišići stražnje lože natkoljenice) koji u pojedinom zglobu mogu aktivno sudjelovati u izvođenju pokreta u kokontrakciji sa mišićima antagonistima, usprkos suprotnih funkcija. Povijesno podrijetlo pojma seže u 1903. godinu, kada ga je prvi put sustavno opisao Warren P. Lombard, promatrajući istodobnu kontrakciju m. quadriceps-a i mišića stražnje lože natkoljenice tijekom ustajanja iz sjedećeg položaja (Lombard, 1903). Lombard je istaknuo kako su m. rectus femoris i stražnji mišići natkoljenice antagonistički mišići, no tijekom istodobne kontrakcije dvozglobnih mišića energija se prenosi koordinirano, nalik beskonačnom lancu, čime se postiže ekstenzija u kuku, koljenu i gležnju (Barbieri, 2016). Klasično objašnjenje paradoksa temelji se na usporedbi krakova sile mišića stražnje lože i m. rectus femoris-a u zglobovima kuka i koljena te njihovom učinku na veličinu proizvedenog obrtnog momenta sile u svakom od ta dva zgloba (Neumann, 2010). Ovo temeljno razumijevanje postavilo je osnovu za kasnija istraživanja mišićne mehanike i koordinacije (Gregor i sur., 1985). Rad dodatno razmatra anatomiju, kinematiku i neurofiziologiju dvozglobnih mišića, naglašavajući njihovu ulogu u stabilnosti zglobova, energetskoj učinkovitosti i preciznoj motoričkoj kontroli (Neumann, 2010). Povijesni izvori, matematički modeli i podaci dobiveni elektromiografijom dodatno ilustriraju mehaniku i redoslijed aktivacije mišića (Barbieri, 2016). Posebno se razmatra evolucijska važnost dvozglobnih mišića, s naglaskom na njihovu sposobnost poboljšanja izvedbe, primjerice povećanja visine skoka, kao i na prijenos energije kroz više zglobova (Van Hooren i sur., 2024). Ovo znanje ima praktične implikacije u područjima poput robotike, razvoja egzoskeleta, rehabilitacije, prevencije i same kineziološke primjene, a u radu se također predlažu i smjernice za buduća istraživanja usmjerena na dublje razumijevanje i praktičnu primjenu ovih mehanizama (Timmins i sur., 2020)

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Research integrity
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.720
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0020.001
Bibliometrics0.0010.001
Science and technology studies0.0000.001
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0010.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.016
GPT teacher head0.273
Teacher spread0.257 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one teacher head, not a consensus.

Study designObservational
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes1
Has abstractyes

Explore more

Same venueRepository of Faculty of Kinesiology, University of Zagreb - KIFoREPSame topicNerve Injury and RehabilitationFrench-language works237,207