ACE Personal Trainer| Questions and Answers Latest Update| 2024/2025

ACE Personal Trainer| Questions and Answers Latest Update| 2024/2025 What is the PRIMARY function of ligaments? Connects bone to bone. Which type of muscle fibers are primarily responsible for endurance activities? Slow-twitch fibers. Which part of the brain is primarily responsible for coordinating movement and balance? Cerebellum. What is the main role of myofibrils in muscle cells? Facilitate muscle contraction. Which type of joint allows for the greatest range of motion? Ball-and-socket joint. Which cells are responsible for breaking down bone tissue during the remodeling process? Osteoclasts. What is the primary function of the axial skeleton? 2 To support and protect the brain, spinal cord, and vital organs. Which structure surrounds and protects the spinal cord? Vertebral column. What is the main role of the sarcoplasmic reticulum in muscle fibers? Store and release calcium ions during muscle contraction. Which part of the skeleton is primarily responsible for movement and locomotion? Appendicular skeleton. Which of the following is the PRIMARY purpose of a tendon? Attaches muscle to bone Which of the following roles do osteoblasts play in the remodeling process? Build bones Which portion of the spine consists of five fused vertebrae? Sacrum Which of the following movements occurs in the frontal plane? Abduction of the leg Which of the following types of muscle is considered voluntary? Skeletal 3 Which of the following muscles is considered the prime mover in a push-up? Pectoralis major During the concentric portion of a seated leg extension, which muscle group is performing as the antagonist? Hamstrings Fast-twitch muscle fibers are PRIMARILY recruited during which of the following exercises? Power clean Which of the following exercises BEST demonstrates isometric action? Modified V-sit During the concentric phase of a biceps curl, which muscle acts as the prime mover? Biceps brachii Which of the following BEST describes an eccentric action? External force exceeds the contractile force generated by a muscle Which of the following exercises BEST represents a closed-kinetic-chain movement? Bodyweight squat Which of the following joints is PRIMARILY used for stability? Kne