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The deltoid muscle is considered an intrinsic muscle of the shoulder. It is not fusiform; instead, it has a multipennate structure, which means its fibers are oriented at multiple angles to the tendons, allowing for a greater range of motion and strength. The deltoid plays a crucial role in shoulder abduction, flexion, and extension.
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How are muscle fibers arranged to form a muscle?
Muscle fibers can be arranged into two basic structural patterns, fusiform and pinnate. Most human muscles are fusiform, with the fibers largely arranged parallel along the muscle's longitudinal axis. In many of the larger muscles the fibers are inserted obliquely into the tendon, and this arrangement resembles a feather. The fibers in a pinnate (feather) muscle are shorter than those of a fusiform muscle. The arrangement of pinnate muscle fibers can be single or double, as in muscles of the forearm, or multipinnate, as in the gluteus maximus or deltoid.
What is the body shape of squirrelfish?
fusiform
What is the upper arm that is used as an injection site is called?
The deltoid, located on the upper arm.
The deltoid area is what?
The deltoid group of muscles is the shoulder.
Where is the deltoid muscle found?
Deltoid tuberosity, a little prominence found midway on the lateral surface of the humerus. Right?
Location of deltoid muscle?
The deltoid muscle is located around the shoulder at the top. There is a deltoid muscle that is located on each shoulder.
What shape is a white shark?
Sharks are typically "fusiform".
Muscle that is antagonist of the latissimus dorsi?
It is the middle deltoidIt is the Deltoid Muscle .
What is fusiform?
Fusiform refers to a shape that is tapered at both ends and wider in the middle, resembling a spindle or an elongated oval. This term is often used in biology to describe certain types of cells or structures, such as fusiform muscle fibers, which are designed for efficient contraction. In botany, fusiform can describe the shape of certain fruits or seeds. The term can also apply in various contexts, including anatomy and design, to indicate a streamlined form.
What happens when the deltoid contracts concentrically?
When the Deltoid contracts the humerus abducts.
Process on humerus attached to deltoid muscle?
It is attached to the Deltoid tuberosity
What has the author C H Walkinshaw written?
C. H. Walkinshaw has written: 'Promising resistance to fusiform rust from southeastern slash pines' -- subject(s): Slash pine, Disease and pest resistance, Diseases and pests, Pine fusiform rust 'How to classify fusiform rust galls on infected loblolly and slash pines' -- subject(s): Identification, Diseases and pests, Loblolly pine, Slash pine, Pine fusiform rust
