What is the antagonist of the extensor carpi radialis?
Extensor carpi radialis longus muscle
Extensor carpi radialis longus | |
---|---|
Antagonist | Flexor carpi ulnaris muscle |
Identifiers | |
Latin | musculus extensor carpi radialis longus |
TA98 | A04.6.02.040 |
Which muscles act as an antagonist of the extensor carpi radialis brevis?

Extensor carpi radialis brevis muscle
Extensor carpi radialis brevis | |
---|---|
Actions | extensor and abductor of the hand at the wrist joint |
Antagonist | Flexor carpi ulnaris muscle |
Identifiers | |
Latin | musculus extensor carpi radialis brevis |
Which of the following muscles serves as an antagonist to the flexor carpi radialis muscle?
Flexor carpi radialis muscle
Flexor carpi. radialis muscle | |
---|---|
Actions | Flexion and abduction at wrist |
Antagonist | Extensor carpi ulnaris muscle |
Identifiers | |
Latin | musculus flexor carpi radialis |
What is the extensor carpi radialis brevis innervated by?
the radial nerve
The extensor carpi radialis brevis receives innervation from the deep branch of the radial nerve (C7, C8). The nerve fascicles which supply the muscle arise from the deep branch of the radial nerve immediately before the nerve passes deep to the supinator muscle.

What muscle is antagonist to extensor carpi ulnaris?
Flexor carpi radialis
Extensor carpi ulnaris muscle
Extensor carpi ulnaris | |
---|---|
Actions | extends and adducts the wrist |
Antagonist | Flexor carpi radialis |
Identifiers | |
Latin | musculus extensor carpi ulnaris |
What is the synergist of extensor carpi radialis brevis?
Synergist: Brachioradialis, Supinator, Extensor Carpi radialis brevis and longus, Abductor pollicis longus, Extensor pollicis brevis and longus, Extensor digitorum, Extensor digiti minimi, Extensor indicis.
What general group of muscles would be antagonists to the extensor carpi muscles?
Summary table
Muscle | Origin | Antagonist |
---|---|---|
Extensor carpi ulnaris | common extensor tendon, ulna | FCU |
Abductor pollicis longus | ulna, radius, interosseous membrane | AP |
Extensor pollicis brevis | FPL, FPB | |
Extensor pollicis longus | ulna, interosseous membrane | FPL, FPB |
Is extensor carpi radialis brevis a synergist?
Synergist: Brachioradialis, Supinator, Extensor Carpi radialis brevis, Abductor pollicis longus, Extensor pollicis brevis and longus, Extensor digitorum, Extensor digiti minimi, Extensor carpi ulnaris, Extensor indicis.
What is the action of the extensor carpi radialis brevis muscle?
The extensor carpi radialis brevis muscle aids in moving the hand. Specifically, it abducts and extends the hand at the wrist joint. The muscle works in concert with the extensor carpi radialis longus, which is situated nearby.
What action is performed by the extensor carpi radialis brevis?
extend and abduct the
The specific action of extensor carpi radialis brevis is to extend and abduct the hand at the wrist joint.
What is an antagonist to the extensor pollicis longus and brevis muscles?
Extensor pollicis longus muscle | |
---|---|
Antagonist | Flexor pollicis longus muscle, Flexor pollicis brevis muscle |
Identifiers | |
Latin | musculus extensor pollicis longus |
TA98 | A04.6.02.051 |
What is the antagonist of the Extensor indicis?
Antagonist: Pronator teres, Flexor carpi radialis, Palmaris longus, Flexor carpi ulnaris, Flexor digitorum superficialis, Flexor digitorum profundus, Flexor pollicis longus, Pronator quadratus.
What muscle acts as an antagonist to the flexor carpi ulnaris?
Flexor carpi ulnaris muscle
Flexor carpi ulnaris | |
---|---|
Actions | Flexion and adduction of wrist |
Antagonist | Extensor carpi radialis brevis muscle and extensor carpi radialis longus muscle |
Identifiers | |
Latin | Musculus flexor carpi ulnaris |
Which of the following muscles act as antagonists to the Brachialis during elbow flexion?
Final Test Review (Kinesiology)
Question | Answer |
---|---|
Which muscle acts as a antagonist to the brachialis during elbow flexion? | anconeus |
Which muscle is a synergist to the supinator during forearm supination? | biceps brachii |
Which muscles is a strong elbow flexor located deep to the biceps brachii? | brachialis |
Which one of the following condition is caused by over activity of extensor carpi radialis brevis?
Lateral epicondylitis, also commonly referred to as tennis elbow, describes an overuse injury that occurs secondary to an eccentric overload of the common extensor tendon at the origin of the extensor carpi radialis brevis (ECRB) tendon.
What are the attachments for extensor carpi radialis brevis?
Extensor carpi radialis brevis muscle
Origin | Lateral epicondyle of humerus (common extensor tendon) |
---|---|
Insertion | Posterior aspect of base of metacarpal bone 3 |
Action | Wrist joints: Hand extension, hand abduction (radial deviation) |
Innervation | Radial nerve (C5- C6) |
What is the synergist for the extensor pollicis brevis?
Synergist: Brachioradialis, Supinator, Extensor Carpi radialis brevis and longus, Abductor pollicis longus, Extensor pollicis longus, Extensor digitorum, Extensor digiti minimi, Extensor carpi ulnaris, Extensor indicis.
What are antagonistic muscles give two examples?
Antagonistic muscles are those muscles which produce movements in an antagonistic pair of muscles by opposing the movement of the agonistic muscle . i.e. when one contacts the other relaxes and vice versa. Example- biceps and triceps, quadriceps and hamstrings.
What is a synergist to the flexor carpi radialis?
Flexor carpi radialis. Action: Flexion at wrist. Synergist: Flexor carpi ulnaris.
Is the brachialis an antagonist or agonist?
In this example, biceps brachii is the agonist or prime mover. Triceps brachii is the antagonist and brachialis is a synergist with biceps brachii.
What causes intersection syndrome?
What causes intersection syndrome? The condition is caused by repetitive movements that stress the wrist extensor tendons. It is most common in athletes, particularly competitive rowers and weightlifters, and can also affect office workers or anyone who carries out repetitive wrist and arm movements.
What are the functions of the extensor carpi radialis brevis ECRB?
What is the extensor carpi radialis brevis?
Extensor carpi radialis brevis is a fusiform muscle found in the lateral part of the posterior forearm. Together with anconeus, brachioradialis, extensor carpi radialis longus, extensor digitorum, extensor digiti minimi and extensor carpi ulnaris, it belongs to the superficial forearm extensor group.
What causes trigger point activation in extensor carpi radialis brevis?
4. Trigger point activation in the extensor carpi radialis brevis. The extensor carpi radialis brevis often gets overloaded and develops trigger points due to repetitive use of a strong grip. Thus, one or more of the following activities leave you with a higher risk of straining this muscle.
What nerve innervates the carpi radialis brevis?
At the retinaculum level, the tendon is medial to that of extensor carpi radialis longus muscle. Extensor carpi radialis brevis is innervated directly by the radial nerve (C5- C8), or sometimes from its deep branch/posterior interosseous nerve.
How do you palpate the carpi radialis brevis?
Extensor carpi radialis brevis palpation. To feel this muscle, place your fingers at the upper third of your forearm and extend as well as kink your wrist – to the side of its thumb –. During these motions, palpate your forearm and try to feel the muscle that is contracting.