biceps brachii
Sign in to saveThe biceps or biceps brachii (, "two-headed muscle of the arm") is a large muscle that lies on the front of the upper arm between the shoulder and the elbow. Both heads of the muscle arise on the scapula and join to form a single muscle belly which is attached to the upper forearm. While the long head of the biceps crosses both the shoulder and elbow joints, its main function is at the elbow where it flexes and supinates the forearm.
AI overview
The biceps brachii is a large muscle on the front of your upper arm that has two separate starting points on your shoulder blade but joins into one muscle that attaches to your forearm. Its main job is to bend your elbow and rotate your forearm, movements you use constantly in everyday activities like lifting and reaching.
AI-generated from the Wikipedia summary — may contain errors.
Key facts
- Muscle.Name
- Biceps brachii
- Muscle.Latin
- musculus biceps brachii
- Muscle.Image
- 1120 Muscles that Move the Forearm Humerus Flex Sin.png
- Muscle.Caption
- The biceps is a two-headed muscle and is one of the chief flexors of the forearm. Here is the left side, seen from the front.
- Muscle.Origin
- Short head: coracoid process of the scapula.Long head: supraglenoid tubercle
- Muscle.Insertion
- Radial tuberosity and bicipital aponeurosis into deep fascia on medial part of forearm
- Muscle.Blood
- Brachial artery
- Muscle.Nerve
- Musculocutaneous nerve (C5–C7)
- Muscle.Action
- Flexes elbow flexes and abducts shoulder supinates radioulnar joint in the forearm
- Muscle.Antagonist
- Triceps brachii muscle
via Wikipedia infobox
Article
15 sectionsContents
- Structure
- Variation
- Nerve supply
- Blood supply
- Function
- Clinical significance
- Tendon rupture
- Training
- Etymology and grammar
- History
- Other species
- Neanderthals
- Horses
- References
- External links
The biceps or biceps brachii (, "two-headed muscle of the arm") is a large muscle that lies on the front of the upper arm between the shoulder and the elbow. Both heads of the muscle arise on the scapula and join to form a single muscle belly which is attached to the upper forearm. While the long head of the biceps crosses both the shoulder and elbow joints, its main function is at the elbow where it flexes and supinates the forearm.
== Structure == thumb|right|Location of biceps. Two different colors represent two different bundles which compose biceps. thumb|Attachment to the radial tuberosity and Bursa bicipitoradialis.