NASM Muscles Questions and Answers | Latest Version | 2025/2026 | Correct & Verified

NASM Muscles Questions and Answers | Latest Version | 2025/2026 | Correct & Verified Which muscle is the primary mover during a bicep curl? Biceps brachii Which muscle is responsible for extending the knee? Quadriceps Which muscle stabilizes the scapula during arm movements? Serratus anterior Which muscle is the main prime mover during a bench press? Pectoralis major Which muscle assists with hip extension during running? Gluteus maximus Which muscle is the deepest layer of the abdominal wall? Transverse abdominis Which muscle is responsible for plantarflexion of the ankle? 2 Gastrocnemius Which muscle acts as a primary shoulder abductor? Deltoid (middle fibers) Which muscle elevates the scapula? Trapezius (upper fibers) Which muscle flexes the elbow? Biceps brachii Which muscle dorsiflexes the ankle? Tibialis anterior Which muscle is responsible for spinal extension? Erector spinae Which muscle stabilizes the pelvis during walking? Gluteus medius Which muscle is the primary mover in shoulder horizontal adduction? Pectoralis major 3 Which muscle is a hip flexor and also assists in knee flexion? Sartorius Which muscle allows for scapular retraction? Rhomboids Which muscle pronates the forearm? Pronator teres Which muscle supinates the forearm? Biceps brachii Which muscle is the main antagonist during a bicep curl? Triceps brachii Which muscle is responsible for knee flexion? Hamstrings Which muscle elevates the ribs during inhalation? External intercostals 4 Which muscle depresses the ribs during exhalation? Internal intercostals Which muscle abducts the hip? Gluteus medius Which muscle assists with lateral flexion of the spine? Quadratus lumborum Which muscle rotates the scapula upward? Serratus anterior Which muscle rotates the scapula downward? Rhomboids Which muscle flexes the spine laterally? Obliques Which muscle is the main mover during a lat pulldown? Latissimus dorsi Which muscle stabilizes the humerus in the shoulder joint? 5 Rotator cuff muscles (supraspinatus, infraspinatus,