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ISSA Study Guide 2025 Questions and Answers What is the largest muscle of the chest? - ....ANSWER ...-Pectoralis Major What is the most superficial muscle of the posterior calf? - ....ANSWER ...- Gastrocnemius What is the muscle action of the rectus femoris? - ....ANSWER ...-Flexion of the hip and extension of the knee Which 3 muscles make up the erector spinae group? - ....ANSWER ...-Spinalis, Longissimus and Iliocostalis Which of the following is a muscle of the shoulder? - ....ANSWER ...-Subscapularis A medicine ball rolling across the floor is an example of what type of friction? ....ANSWER ...-Rolling Friction Which of the following joints should have more mobility? - ....ANSWER ...- Shoulder Which anatomical plane divides the body into left and right halves? ....ANSWER ...-Sagittal Plane Which anatomical terms refers to a movement that increases the angle between 2 body parts? - ....ANSWER ...-Extension …FOR STUDENTS ONLY…©️2025 ALL RIGHTS RESERVED… 1