brachioradialis
Sign in to saveAlso known as brachioradialis muscle
The brachioradialis, also historically known as the supinator longus, is a muscle of the forearm that flexes the forearm at the elbow. It is also capable of both pronation and supination, depending on the position of the forearm. It is attached to the distal styloid process of the radius by way of the brachioradialis tendon, and to the lateral supracondylar ridge of the humerus.
Key facts
- Muscle.Name
- Brachioradialis muscle
- Muscle.Latin
- musculus brachioradialis
- Muscle.Width
- 125
- Muscle.Image
- Brachioradialis.png
- Muscle.Caption
- Anterior view of muscles of the left forearm with brachioradialis shown in blue
- Muscle.Image2
- Gray417_color.PNG
- Muscle.Caption2
- Cross-section through the middle of the forearm. Brachioradialis labeled at center left, sixth from the top.
- Muscle.Origin
- Lateral supracondylar ridge of the humerus and the orbicular ligament of the radius
- Muscle.Insertion
- Distal radius (radial styloid process)
- Muscle.Blood
- Radial recurrent artery
- Muscle.Nerve
- Radial nerve (C5-C8 & T1)
- Muscle.Action
- Flexion of elbow, supination and pronation of the radioulnar joint to 90°
via Wikipedia infobox
~3 min read
Encyclopedic overview
7 sectionsContents
- Structure
- Nerve supply
- Function
- Additional images
- See also
- References
- External links
The brachioradialis, also historically known as the supinator longus, is a muscle of the forearm that flexes the forearm at the elbow. It is also capable of both pronation and supination, depending on the position of the forearm. It is attached to the distal styloid process of the radius by way of the brachioradialis tendon, and to the lateral supracondylar ridge of the humerus.
==Structure== The brachioradialis is a superficial, fusiform muscle on the lateral side of the forearm. It originates proximally on the lateral supracondylar ridge of the humerus. It inserts distally on the radius, at the base of its styloid process. Near the elbow, it forms the lateral limit of the cubital fossa, or elbow pit.
Excerpted from Wikipedia’s “brachioradialis” article, available under the CC BY-SA 4.0 licence.