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ACE - Personal Trainer Anatomy and Biomechanics Flashcards

6 cards from real ACE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. What is the primary function of the rotator cuff muscles?

    Answer: Shoulder stabilization and rotation

    The rotator cuff (SITS muscles) stabilizes the glenohumeral joint and facilitates shoulder rotation and elevation.

  2. Which type of muscle fiber has the highest aerobic (oxidative) capacity?

    Answer: Type I

    Type I (slow-twitch) fibers have the highest oxidative capacity, making them resistant to fatigue during endurance activities.

  3. What is the anatomical term for the front surface of the body?

    Answer: Anterior

    Anterior refers to the front or ventral surface of the body.

  4. Which joint is classified as a hinge joint?

    Answer: Elbow

    The elbow (humeroulnar) joint is a hinge joint, allowing only flexion and extension in the sagittal plane.

  5. What is the term for the muscle responsible for the primary movement in a given exercise?

    Answer: Agonist (prime mover)

    The agonist, or prime mover, is the muscle primarily responsible for producing a desired movement.

  6. During a squat, which muscle group acts as the prime mover?

    Answer: Quadriceps

    The quadriceps are the prime movers during the concentric (rising) phase of a squat, extending the knee.