根据They are your involuntary (不随意的) muscles,such as your heart muscle and smooth muscles.(它们是你的非随意肌,比如你的心肌和平滑肌。)可知D项属于非随意肌肉。故选D。(2)细节理解题。根据If the muscles around your knee,for example,get weak,you will more probably injure...
which occurs during the takeoff phase as you push off the running surface and drive yourself forward. Although the calf muscles do not produce a large percentage of the power in sprinting, full extension during the takeoff phase is
What are antagonistic muscles? Which muscle is the major antagonist of the muscles that flex the forearm? What is the main muscle in the gluteus muscle group? Which muscles are involved in flexion and extension of the leg? Which of the following muscles is not a memb...
What Muscles Does a Glute Bridge Work? Glute bridge muscles worked are located near the middle of your body. Mainly, this exercise targets the glutes. Most specifically, glute bridges work the gluteus maximus. The hip extension aspect of this exercise involves the hamstrings, and the core aspect...
This tear goes along the whole length of the muscle, and you are unable to use the muscle at all.What increases my risk for a muscle strain?Overuse of a muscle without rest in between uses Activities that use certain muscles more than others, such as dance, volleyball, tennis, or golf ...
Easiest muscles to build 1. Quadriceps Your quads (thighs) are one of the larger muscles in the body and are involved in almost all pushing exercises that focus on your lower body. This means that muscle activation of your quads happens across a range of exercises, so they are regularly wo...
What is knee bursitis?Knee bursitis is inflammation of the bursa in your knee. The bursa is a fluid-filled sac that acts as a cushion between a bone and a tendon. A tendon is a cord of strong tissue that connects muscles to bones.What increases my risk for knee bursitis?
I never really thought about knee flexion until I injured mine in a car accident. Suddenly, I could no longer bend it with ease. I couldn't flex or extend the muscles. Recovery took a few months, but I eventually regained full use of my leg and my knee. I find myself thinking about...
The quadriceps are a group of four muscles in the front of the thigh. They are activated during knee extension. Since the elliptical machine involves straightening the legs, it works the quadriceps, but don't be surprised if you don't feel them working. ...
Knee pain often happens the when the outer muscles of the thigh are stronger than those in the mid-thigh (causing the kneecap to be pulled “off track”), so your doctor will pay particular attention to the vastus medialis, a muscle in your mid-thigh that extends to the knee. You ...