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Types of Muscle Contractions

Types of Muscle Contractions. Chapter 7. Tonic Contraction. Continuous, low-strength muscle contraction Posture. Twitch Contraction. quick, jerky response to a stimulus. Tetanic Contraction. a sustained contraction or “tetanus” many twitches put together. Concentric Contraction .

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Types of Muscle Contractions

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  1. Types of Muscle Contractions Chapter 7

  2. Tonic Contraction • Continuous, low-strength muscle contraction • Posture

  3. Twitch Contraction • quick, jerky response to a stimulus

  4. Tetanic Contraction • a sustained contraction or “tetanus” • many twitches put together

  5. Concentric Contraction • Type of isotonic contraction • Movement at a joint • Shortening of a muscle • Insertion end moves toward the position of origin

  6. Eccentric Contraction • Type of isotonic contraction • Lengthening of a muscle • Insertion moves away from the origin

  7. Isometric Contraction • Increased tension with no movement • The muscle tension increases but the muscle does not shorten

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