Shoulder and Arm
Deltoid, Supraspinatus
What are the bones of the forearm?
Humerus, Ulna, and Radius, metacarpals, phalanges
What are the forearm joints?
What muscles of the flex the wrist?
Flexor carpi ulnaris and radialis, palmaris longus, flex digitorum superficialis
The brachioradialis creates a helpful dividing line between which two muscle groups?
flexors and extensors
Deltoid, infraspinatus, teres minor
The elbow consists of what 2 joints?
The humeroulnar and humeroradial joints
Which muscles supinate the forearm?
Biceps brachii, and supinator
Which epicondyle does the pronator teres originate?
medial epicondyle
Which muscle runs the length of the forearm but does not cross the wrist joint?
brachioradialis
Is the scapulothoracic joint a true joint?
NO. The scapula moves through a gliding motion
What actions does the elbow do?
Flexion and Extension
What muscles pronate the forearm?
Pronator teres and quadratus
The adductor pollicis and Opponens pollicis help to form what?
Thenar eminence
Passive pronation of the forearm would lengthen/shorten the supinator?
lengthen
Shoulder muscles for medial rotation:
Deltoid ant fibers, Lat dorsi, teres minor, subscapularis, pec major
Which muscles create flexion of the elbow?
Biceps brachii, brachialis, brachioradialis
What joint is the wrist?
radiocarpal joint
What muscles radially deviate or abduct the wrist?
Extensor carpi radialis longus + brevis, extensor pollicis longus + brevis, flexor carpi radialis, abductor pollicis longus
Passive flexion of the elbow would shorten/lengthen the brachioradialis?
Shorten
Is pec major an antagonist to itself?
YES
Which muscles create elbow extension?
Triceps brachii, anconeus
What muscles extend the wrist?
Extensor carpi radialis, longus, and brevis, ext carpi ulnaris
What muscles ulnar deviate or adduct the wrist?
Extensor carpi ulnaris, flexor carpi ulnaris
Passive extension would shorten/lengthen the brachialis?
lengthen