extensors / extensor muscles
A flexor is a muscle that causes a joint to bend. In contrast, an extension is a muscle that straightens a joint.
latissimus dorsi
When a muscle contracts it causes flexion and when muscles relax they cause extension
The muscles which produce shoulder extension are: Latissimus Dosi & Pectoralis Major.
An agonist muscle is a muscle that plays a part in the extension of a muscle. The agonist muscles for a knee extension are the quadriceps and hamstrings.
Contractions of the gluteus maximus muscle causes (hyper)extension of the thigh.
The over-extension of a muscle might feel like burning or pain in the muscle. After the exercise, the muscle can feel sore or even swollen.
Inn other words muscle flexing can be called muscle shortening and extension when muscle is elongating. For example when you bend you arm towards your shoulder your bicep muscle is shortening and you can feel a bump. When you extend your arm you can feel that the bump is stretching out and disappearing, that is muscle extension.
Quadriceps muscle or thigh muscle.
Flexion and extension.
Myocele is the protrusion of a muscle through its surrounding fascia. Another term for myocele is muscle hernia.
Which of these muscles is not responsible for flexion or extension of the arm?