Shoulder Bones and Joints
Joint that has the most range of motion and connects our humerus and our scapula
What is glenohumeral
The four rotator cuff muscles
What are Supraspinatus, Infraspinatus, Teres Minor, Subscapularis
The lateral forearm bone
What is the radius
Wrist extensors are also responsible for 2 more actions
What are elbow extension, extension of 2nd-5th phalanges
Motions that occur at the 2nd-5th MCP joints
What is flexion, extension, abduction, and adduction
Joint in the elbow that is responsible for supination and pronation
What is the radioulnar joint
Three (of four) muscles responsible for elbow flexion
What are biceps brachii, brachialis, wrist flexors, and pronator teres
What are the 2nd-5th distal interphalangeal joints and flexion/extension
The glenoid fossa and this part of the humerus articulate to make the glenohumeral joint
What is humeral head
Three muscles responsible for shoulder flexion
What are biceps brachii, deltoid, pectoralis major
The olecranon process is part of this bone
What is ulna
The muscle responsible for turning the palm upward
What is the supinator
Name of the ligament at the 1st metacarpophalangeal joint that limits abduction of the thumb
What is ulnar collateral ligament (UCL)
The purpose of the glenohumeral labrum and what type of tissue is it
What are to deepen the joint socket, fibrocartilage
A sprain of this ligament will cause glenohumeral joint instability
What is glenohumeral ligament
The wrist flexors act on these fingers to extend
What are 2nd-5th phalanges
Name of the five long bones of the hand distal to the carpals.
What are the metacarpals
Give three structures that you could injure with a glenohumeral dislocation
What are glenoid labrum, glenohumeral ligament, humeral head, or joint capsule
This ligament prevents a valgus force on the elbow and is the most frequently injured ligament at this joint
What is Ulnar Collateral Ligament (UCL)
The name of the action of touching our thumb to our pinky and the muscle that is responsible for it.
What is Opposition and Opponens Pollicis
Name the most proximal row of carpals beginning lateral and moving medial
What is scaphoid, lunate, triquetrum, pisiform