Muscles Of The Upper Limb Posterior Flashcards
What is the action of the Teres Minor?
Laterally rotates humerus; stabilises humerus in socket
What muscle laterally rotates humerus and stabilises it in its socket?
Teres Minor
Where might you find the Teres Minor?
Side of Scapula to humerus (superior to major)
Where might you find the Teres Major?
Side of scapula to humerus (inferior to minor)
What is the action of the Teres Major?
Adducts and medially rotates humerus, extends shoulder joint
What muscle adducts and medially rotates humerus; extends shoulder joint?
Teres Major
What is the action of the Triceps?
Extends elbow
What muscle extends elbow?
Triceps
Where might you find the Triceps?
Posterior aspect of upper arm
What is the action of the Brachioradialis?
Flexes elbow joint
What muscle flexes elbow joint?
Brachioradialis
Where might you find the Brachioradialis?
Lateral anterior forearm
What is the action of the Extensor Carpi Radialis?
Extends wrist
What muscle extends the wrist?
Extensor Carpi Radialis
Where might you find the Extensor Carpi Radialis?
Posterior of arm crossing elbow
Where might you find the Supinator Radii Brevi?
Posterior forearm
What is the action of the Supinator Radii Brevi?
Supinates forearm
What muscle supinates forearm?
Supinator Radii Brevi
What is the action of the Extensor Carpi Digitorum?
Extends fingers
What muscle extends the fingers?
Extensor Carpi Digitorum
Where might you find the Extensor Carpi Digitorum?
Posterior of forearm (near wrist)
What is the action of the Extensor Carpi Ulnaris?
Extends wrist joint
What muscle extends wrist joint?
Extensor Carpi Ulnaris
Where might you find the Extensor Carpi Ulnaris?
Posterior of forearm (middle forearm)
What is the action of the Flexor Carpi Ulnaris?
Flexes wrist joint and adducts ulna
What muscle flexes wrist joint and adducts ulna?
Flexor Carpi Ulnaris
Where might you find the Flexor Carpi Ulnaris?
Posterior of forearm (superior to extensor)
What is the action of the Anconeus?
Extends forearm and assists triceps
Where might you find the Anconeus?
Elbow
What muscle extends forearm and assists the triceps?
Anconeus
