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FORCE CONTRACTION [13 records]

Record 1 2025-09-09

English

Subject field(s)
  • Aircraft Piloting and Navigation
  • Medical and Dental Services (Military)
CONT

Anti-G Straining Maneuver (AGSM)... A method for raising blood pressure and total peripheral resistance in order to increase tolerance to +Gz [positive gravitational force] acceleration by voluntary isometric contraction of the skeletal muscles of the limbs and abdomen while simultaneously exhaling against a closed or partially closed glottis to raise the intrathoracic and blood pressure.

French

Domaine(s)
  • Pilotage et navigation aérienne
  • Service de santé et service dentaire (Militaire)
CONT

[...] des recherches sur les effets physiologiques de la force d’accélération se sont traduites par la mise au point d’une combinaison anti-G et d’une combinaison d’exercices de contraction anti-G [...] Ces exercices comprennent une contraction isométrique des muscles et des exercices de régulation de la respiration. Ces deux méthodes constituent encore les principaux moyens d’accroitre la tolérance des pilotes d’aéronefs à hautes performances aux fortes accélérations.

OBS

exercice de contraction anti-G : désignation habituellement utilisée au pluriel.

Key term(s)
  • exercices de contraction anti-G

Spanish

Save record 1

Record 2 2023-05-12

English

Subject field(s)
  • Muscles and Tendons
  • The Heart
  • Medication
DEF

Affecting the force or speed of muscular contraction either by enhancing or inhibiting it.

French

Domaine(s)
  • Muscles et tendons
  • Cœur
  • Médicaments
DEF

[Se dit de tout ce] qui se rapporte à la force ou à l'énergie de contraction des fibres musculaires.

CONT

La stimulation sympathique et les digitaliques ont un effet cardiaque inotrope positif (augmentation de la contractilité), et la stimulation vagale a un effet inotrope négatif (diminution de la contractilité).

Spanish

Campo(s) temático(s)
  • Músculos y tendones
  • Corazón
  • Medicamentos
DEF

[Se dice de todo aquello que] tiene que ver con la fuerza o energía de las contracciones musculares.

Save record 2

Record 3 2017-04-21

English

Subject field(s)
  • Blood
  • Cardiovascular System
DEF

Ability of the heart to do more work in pumping larger amounts of blood per beat.

French

Domaine(s)
  • Sang
  • Système cardio-vasculaire
OBS

Au cours de la contraction normale le cœur n’ utilise pas toute sa force; il possède une réserve de force disponible qu'il peut utiliser en cas de besoin.

Spanish

Save record 3

Record 4 2017-04-20

English

Subject field(s)
  • Pharmacology
  • The Heart
DEF

Having a tonic effect on the heart.

French

Domaine(s)
  • Pharmacologie
  • Cœur
DEF

Qui augmente la force de contraction du cœur.

Spanish

Campo(s) temático(s)
  • Farmacología
  • Corazón
Save record 4

Record 5 2015-06-29

English

Subject field(s)
  • Muscles and Tendons
DEF

The shortening of muscle due to muscle contraction.

CONT

When a muscle is activated and required to lift a load which is less than the maximum tetanic tension it can generate, the muscle begins to shorten ... An example of a concentric contraction is the raising of a weight during a bicep curl.

French

Domaine(s)
  • Muscles et tendons
CONT

Dans une contraction concentrique, le muscle raccourcit en exerçant la force.

CONT

À l’aller de chaque mouvement de musculation, lorsque la charge monte, le muscle est en contraction concentrique.

Spanish

Save record 5

Record 6 2014-12-03

English

Subject field(s)
  • Muscles and Tendons
CONT

Muscle contractions which result in movement are known as isotonic contractions. There are two types of isotonic muscle contraction: concentric and eccentric ... Eccentric contractions are the opposite of concentric contractions. The muscle contracts but increases in length. This type of contraction occurs usually in the direction of gravity, to control a movement. For example, using the same biceps curl exercise - as the arm is slowly straightened from the bent position, the Biceps Brachii muscle contracts eccentrically to control the downward movement and increase the angle at the joint.

French

Domaine(s)
  • Muscles et tendons
CONT

Les muscles peuvent encore exercer de la force lors d’une contraction avec allongement du muscle. Ce mouvement est appelé contraction excentrique [...] Pour l'illustrer, citons l'action du muscle biceps brachial, lorsque le coude s’étend pour poser un poids très lourd. Dans ce cas, les filaments d’actine s’éloignent du centre du sarcomère en l'étirant.

Spanish

Save record 6

Record 7 2012-01-31

English

Subject field(s)
  • Medical and Surgical Equipment
DEF

An instrument for measuring the force of muscular contraction.

French

Domaine(s)
  • Équipement médico-chirurgical
DEF

Instrument pour mesurer la force d’une contraction musculaire.

Spanish

Campo(s) temático(s)
  • Equipo médico y quirúrgico
DEF

Instrumento para medir la fuerza de la contracción muscular.

Save record 7

Record 8 2012-01-18

English

Subject field(s)
  • The Heart
DEF

The measurement of the heart size and of the force of its contractions.

French

Domaine(s)
  • Cœur
DEF

Mesure du volume et de la force de contraction du muscle cardiaque.

Spanish

Save record 8

Record 9 2011-05-09

English

Subject field(s)
  • Nervous System
DEF

A mechanoreceptor located at the junction of the muscle and tendon, playing an important part in the reflex regulation of motor unit activity.

French

Domaine(s)
  • Système nerveux
DEF

Mécanorécepteur disposé dans les tendons ou à la jonction musculo-tendineuse, agissant sur la tension du muscle ou la force de sa contraction.

Spanish

Save record 9

Record 10 2003-11-25

English

Subject field(s)
  • Human Diseases - Various
  • Muscles and Tendons
DEF

Progressive proximal muscle weakness in patients with carcinoma, in the absence of dermatomyositis or polymyositis; caused by antibodies directed against motor-nerve axon terminals.

French

Domaine(s)
  • Maladies humaines diverses
  • Muscles et tendons
DEF

Perturbation de la transmission neuromusculaire avec association d’une fatigabilité proximale, de sécheresse de la bouche, de paresthésies distales, de douleurs des membres, de déficit moteur proximal et d’un retard à l'apparition d’une force musculaire normale lors de la contraction. [...] Dans deux cas sur trois environ, ce syndrome complique un cancer du poumon à petites cellules.

Spanish

Save record 10

Record 11 1995-01-27

English

Subject field(s)
  • Cytology
CONT

When the cell is stimulated, the gel is subject to contractile tension.

French

Domaine(s)
  • Cytologie
CONT

Lorsque la cellule est stimulée, le gel est soumis à une force de contraction.

Spanish

Save record 11

Record 12 1986-01-09

English

Subject field(s)
  • Muscles and Tendons
  • Physical Fitness Training and Bodybuilding
OBS

Man is limited in the speed of any movement by his muscle contraction rate.

French

Domaine(s)
  • Muscles et tendons
  • Conditionnement physique et culturisme
OBS

Force musculaire : degré de tension produit dans une contraction maximale.

Spanish

Save record 12

Record 13 1985-06-06

English

Subject field(s)
  • Econometrics

French

Domaine(s)
  • Économétrie

Spanish

Save record 13

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