The back comprises thedorsalpart of the neck and the torso (dorsalbody cavity) from theoccipital boneto the top of the tailbone . The muscles of the back can be divided in three main groups according to theiranatomical positionand function. Thesuperficialmuscles participate in the movements of ...
This will protect the muscles in your back. Remember to drink lots of water while exercising, especially in warm weather. If your body’s water level gets too low, you could get dizzy (晕眩的) or even pass out. 1. Which of the following muscles are involuntary muscles? A. Leg muscles...
Biceps femoris.This muscle runs along the outside of the back of your thigh and attaches to the top of the fibula (the smaller of the two bones of your lower leg). Semitendinosus.Located just to the inside of the biceps femoris, this muscle attaches to the tibia (the larger lower-leg ...
Muscles work by contracting. They shorten and pull the bone to move the body. They always pull and never push. Muscles work in pairs. One muscle pulls, while the other relaxes. Then they switch around. For instance, when you move your forearm, you use one pair of muscles. The muscles ...
What’s the Function of Back Muscles? All back muscles fall into two primary groups: extrinsic and intrinsic. Intrinsic muscles are found deeper inside the body while extrinsic muscles are more external, and their movements are noticeable. These external muscles are further divided into two sub-gr...
Your body’s core is the term used for the group of muscles within your midsection that stabilize your spine and pelvis. Several muscles and groups of muscles make up the core of the body. They include the: Erector spinae.The erector spinae are a group of muscles that run up the back ...
Keep the Barbell Close to Your Body During the lift, engage your glutes and core as tight as possible. "A lot of times, I see people letting go of their back or abs, meaning the back starts to round out," said Jones. Ward added that positioning the barbell close to the body will ...
Handsome man doing exercises in the gym on a dark background, using dumbbells, doing sports exercises for the development of the muscles of the back, biceps, triceps. 3 6 Author credit line ID 107061797 © Lebedevromanolegovich | Dreamstime.com...
Spinal Erectors: Extension of the back. Core stability. As the name suggests spinal erectors is the name given to the three muscle groups extending from the base of the back of the neck to the very end of the spine. They help keep the body upright, the spine protected and the back st...
2.A contractile organ consisting of a special bundle of muscle tissue, which moves a particular bone, part, or substance of the body:the heart muscle; the muscles of the arm. 3.Muscular strength:enough muscle to be a high jumper.