Anatomy and Physiology Flashcards
6 cards from real AFAA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Anatomy and Physiology flashcards as text
Which muscle is the primary mover during a squat exercise?
Answer: Quadriceps
The quadriceps are the primary movers during the upward phase of a squat.
What is the term for the joint movement that decreases the angle between two body segments?
Answer: Flexion
Flexion decreases the joint angle, such as bending the elbow or knee.
Which energy system provides ATP for high-intensity exercise lasting 10–30 seconds?
Answer: Glycolytic system
The glycolytic (anaerobic glycolysis) system predominates for efforts lasting roughly 10–120 seconds.
The rotator cuff is a group of four muscles that stabilize which joint?
Answer: Shoulder
The four rotator cuff muscles (SITS) stabilize and move the glenohumeral (shoulder) joint.
Which plane of motion divides the body into front (anterior) and back (posterior) halves?
Answer: Frontal plane
The frontal (coronal) plane divides the body into anterior and posterior sections.
What is the primary function of the erector spinae muscles?
Answer: Spinal extension and postural support
The erector spinae extend the spine and maintain upright posture against gravity.