An archer experiences a performance decline during an important competition, exhibiting increased heart rate and muscle tension. Which psychological effect dominates in this scenario?

💡 Explanation

Excessive arousal impairs motor control because it leads to muscle tension and a narrowed attentional focus, disrupting fine motor skills; therefore performance declines, rather than arousal optimizing it, as the Yerkes-Dodson law suggests performance decreases beyond optimal arousal.

• During eccentric strengthening exercises in Achilles tendon rehabilitation, what causes improved proprioceptive feedback for ankle stability?
• A weightlifter strains to complete a deadlift — which mechanism most directly stimulates muscle hypertrophy under high mechanical tension?
• An automated stage lighting system uses a thyristor-based dimmer circuit to control a halogen lamp. If the thyristor firing angle is excessively delayed, which consequence follows?
• If an archer consistently experiences leftward arrow flight (for a right-handed archer), which adjustment addresses this issue related to pressure exerted during the shot?
• A gymnast attempts a complex balance beam routine. What causes temporary motor control deficits when she experiences unexpected balance perturbations?
• An outdoor music festival is designed with multiple exits. If a sudden, unexpected crush occurs near the stage, which consequence follows regarding crowd dynamics?