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The 38 pages that link to Muscle contraction, each with the reason it gives.

• LocomotionRelated: Many animals use contracting muscles to produce the forces that move limbs or bodies.

• Ion channelRelated: Ion channels regulate the electrical and calcium signals that initiate contraction.

• ATPBroader topic: ATP enables myosin detachment and reactivation during repeated force-producing cycles.

• Lactic acid fermentationRelated: When oxygen delivery cannot meet demand, muscle glycolysis can rely on lactate formation to recycle NAD⁺.

• Membrane potentialRelated: Electrical excitation changes calcium levels that initiate contraction in many muscle types.

• Physical activityNarrower topic: Skeletal muscle contractions produce the movements that define physical activity.

• PhysiologyBroader topic: Contraction turns electrical and chemical signals into movement and force.

• TendonRelated: Contraction creates the force that tendons carry to bones.

• Exercise physiologyBroader topic: This cellular process produces the force required for movement.

• Endoplasmic reticulumRelated: Calcium released from the muscle ER initiates the contractile process.

• ActinRelated: Actin provides the thin filaments that slide past myosin during contraction.

• Creatine kinaseRelated: Creatine kinase helps replenish ATP consumed during rapid cycles of contraction.

• CytoskeletonRelated: Muscle contraction is a specialized, large-scale use of cytoskeletal force.

• MyosinRelated: Myosin II sliding along actin produces the force central to contraction.

• Muscle weaknessBroader topic: Weakness occurs when fibers cannot develop normal force.

• TakeoffNarrower topic: Muscle tension supplies the joint forces used to push against the ground.

• Sarcoplasmic reticulumNarrower topic: Reticulum calcium release initiates the molecular events that produce contraction.

• Albert Szent-GyörgyiRelated: Szent-Györgyi’s later research helped establish actin and myosin as central to muscle contraction.

• Sliding filament theoryNarrower topic: Sliding filament theory explains a central mechanism behind this broader process.

• Andrew HuxleyRelated: Huxley later helped explain contraction through a theory of interactions between actin and myosin.

• ShiveringRelated: Contraction consumes energy, and much of that energy is released as heat during shivering.

• Actin filamentRelated: Actin filaments provide tracks for myosin-driven force in muscle.

• JumpingRelated: Leg muscles create tension that extends the joints during takeoff.

• Sedentary behaviorRelated: Sitting reduces the frequent muscle contractions that support glucose uptake and circulation.

• MuscleRelated: It describes the force-producing action shared by muscle tissue.

• MyofibrilNarrower topic: Myofibrils are the contractile machinery that produces muscle force.

• Muscular systemRelated: It is the central process that lets muscles move the body and produce heat.

• Strain (injury)Related: A strain can occur when contracting muscle is forced to lengthen under load.

• AponeurosisRelated: Aponeuroses receive and distribute the tension generated by contracting muscle fibers.

• ATPaseRelated: Myosin ATPase activity drives the cross-bridge cycle that produces force.

• KinesiologyRelated: Muscle tension is a direct source of force in human movement.

• Archibald HillNarrower topic: Hill’s heat measurements examined the energy transformations accompanying contraction and recovery.

• AtonyNarrower topic: Atony describes diminished baseline tension, not simply the absence of every contraction.

• Cell Physiological PhenomenaRelated: It depends on coordinated cellular movement and energy consumption.

• Human musculoskeletal systemRelated: Contraction supplies the force that moves bones and stabilizes posture.

• Musculoskeletal and Neural Physiological PhenomenaBroader topic: It is a central physiological function of the musculoskeletal system.

• Otto Fritz MeyerhofNarrower topic: Meyerhof investigated the chemical changes accompanying contraction and subsequent recovery.

• Physiological phenomenaRelated: It converts cellular chemical energy into movement and force.