ACSM EP Exam Prep questions with correct answers

Which muscle fiber type is predominant in a 10,000-meter runner? CORRECT ANSWER Type I Type I muscle fibers have a high capacity for oxidation and are predominant in distance runners. A physiologic adaptation to aerobic conditioning in untrained individuals will result in a/an ________ in resting heart rate and a/an ________ in exercise heart rate at a submaximal effort. CORRECT ANSWER Decrease, decrease Regular aerobic training results in a lower heart rate response at rest and during exercise. The muscles that function to adduct the hip joint are collectively in which area of the hip? CORRECT ANSWER Medial All of the major adductor muscles (adductor longus, adductor magnus, adductor brevis, and gracilis) are located on the medial aspect of the hip joint. The term metabolic rate is defined as: CORRECT ANSWER The rate at which calories are expended. Running is done predominately in what plane of movement? CORRECT ANSWER Sagittal Any movement that is parallel to the sagittal plane, such as running (flexion/extension of the hip and knee, and plantarflexion/dorsiflexion of the ankle joint) occurs in the sagittal plane. When a muscle cannot generate sufficient force to overcome external resistance, the muscle lengthens. This is known as which type of action? CORRECT ANSWER Eccentric