Aerobic exercise results in all of the following except:
a. More capillaries surrounding muscle fibers
b. More mitochondria in muscle cells
c. Increased size and strength of existing muscle cells
d. More myoglobin

Guida verificata passo dopo passo

Step 1: Understand the effects of aerobic exercise on muscle tissue. Aerobic exercise primarily enhances the muscle's ability to use oxygen efficiently over prolonged periods.

Step 2: Review each option in the context of aerobic adaptations: (a) More capillaries surrounding muscle fibers - aerobic exercise promotes angiogenesis, increasing capillary density to improve oxygen delivery.

Step 3: (b) More mitochondria in muscle cells - aerobic exercise stimulates mitochondrial biogenesis, increasing the number of mitochondria to enhance aerobic metabolism.

Step 4: (c) Increased size and strength of existing muscle cells - this is typically a result of anaerobic or resistance training, which causes hypertrophy, not aerobic exercise.

Step 5: (d) More myoglobin - aerobic exercise increases myoglobin content in muscle cells to improve oxygen storage and transport within the muscle.

Risposta video verificata per un problema simile:

Questa soluzione video è stata consigliata dai nostri tutor come utile per risolvere questo problema.

Durata del video:

Concetti chiave

Ecco i concetti essenziali che devi comprendere per rispondere correttamente alla domanda.

Aerobic Exercise Adaptations

Aerobic exercise primarily enhances the body's ability to use oxygen efficiently, leading to physiological changes such as increased capillary density, more mitochondria, and higher myoglobin content in muscle cells to improve endurance and energy production.

Video consigliato:

Percorso guidato

07:51

Review of Aerobic Cellular Respiration

Muscle Hypertrophy vs. Endurance Training

Muscle hypertrophy refers to the increase in muscle size and strength, typically resulting from resistance or anaerobic training, not aerobic exercise. Aerobic training focuses more on endurance adaptations rather than significant muscle growth.

Video consigliato:

5:56

A. Events at the Neuromuscular Junction

Role of Myoglobin in Muscle Cells

Myoglobin is a protein in muscle cells that binds oxygen, facilitating oxygen storage and transport within muscles. Aerobic exercise increases myoglobin levels to support sustained aerobic metabolism during prolonged activity.

Video consigliato: