Latissimus dorsi muscle
|Antagonist||Deltoid and trapezius muscle|
|Latin||Musculus latissimus dorsi|
What are the opposing muscles?
Opposing or antagonist muscles are the muscles that do the opposite of the muscle that is working. For example, when a person performs a bicep curl, the elbow flexes as the bicep shortens. The opposing muscle group in this case is the triceps, which lengthen or elongate in order to allow this movement at the elbow.
What is the opposing muscle group for the back muscles?
The muscles opposing the movement become the antagonists. In a movement, like the back extension, the muscles that extend the back are the agonist. The muscles that produce the opposite movement, which is back flexion, are the abdominals. These two groups of muscles are important because they stabilize your spine.
What 2 other muscles does the latissimus dorsi work with?
Latissimus dorsi works collaboratively with the teres major and pectoralis major to perform actions of the upper extremity. Together, these muscles will work to adduct, medially rotate and extend the arm at the glenohumeral joint.
What muscle action are pectoralis major and latissimus dorsi antagonists for?
Pectoralis major and latissimus dorsi act as antagonists. The middle region of the deltoid muscle is the prime mover for arm abduction. The pectoralis major acts as an antagonist to the middle deltoid anteriorly, whilst the latissimus dorsi acts as the antagonist posteriorly.
What is the opposing muscle of the pectoralis major?
The pectoralis major: agonistic: anterior deltoid, latissimus dorsi, teres minor, infraspinatus, pectoralis minor, serratus anterior. antagonistic: middle deltoid, lower trapezius, middle trapezius, posterior deltoid, levator scapulae, rhomboid major, rhomboid minor, supraspinatus, upper trapezius.
Which muscles oppose the glutes?
Anterior pelvic tilt and low back hyperlordosis (Sway back) – The hip flexors are the antagonist muscle of the glutes. Their job is to do the opposite of what the glutes do. Therefore if the glutes aren’t firing correctly there will be an imbalance in pelvic force and the pelvis will be pulled forward.
How do opposing groups of muscles work?
One muscle of the pair contracts to move the body part, the other muscle in the pair then contracts to return the body part back to the original position. Muscles that work like this are called antagonistic pairs. In an antagonistic muscle pair, as one muscle contracts, the other muscle relaxes or lengthens.
What opposing muscles are using the words agonist and antagonist?
Antagonistic muscle pairs in action The hamstrings are the agonist and the quadriceps are the antagonist. In the contact and recovery phase, the quadriceps contract to extend the knee while the hamstrings lengthen to allow the movement. The quadriceps are the agonist and the hamstrings are now the antagonist.
What muscle is deep to the latissimus dorsi?
The distribution of the muscle fibers is superficial to those of the posterior trunk (serratus anterior, serratus posterior, erector spinae) inferiorly and is deep to the trapezius at the superior medial margin. The contraction of these fibers results in the extension, adduction, and medial rotation of the humerus.
What muscles are lats?
The latissimus dorsi is a large, flat muscle covering the width of the middle and lower back. It connects the bone of the upper arm to the spine and the hip. This muscle is often referred to as the lats.
What muscle is above the lats?
This muscle is called teres major, not to be confused with teres minor which is just above it and rotates the shoulder in the opposite direction. Teres major originates on the inferior angle of the scapula (as the lats sometimes do too) and the lower third of the lateral border of the scapula.
Which of the following muscles are antagonists to the latissimus dorsi?
The muscles that perform these movements, and therefore are antagonists of the latissimus dorsi, include the deltoid, supraspinatus, biceps brachii, coracobrachialis, pectoralis major, infraspinatus, and teres minor.
What is the antagonist?
: a person who opposes another person He faced his antagonist [=(more commonly) opponent, adversary] in a series of debates.