Unit 5 Vocab

Question 1

AC Joint

Answer 1

A joint in the shoulder and is the junction between the acromion and clavicle.

Question 2

Glenoid Fossa

Answer 2

A shallow depression on a bone into which another bone fits to form a joint, especially that on the scapula into which the head of the humerus fits.

Question 3

AC Separation

Answer 3

A very frequent injury among physically active people. In this injury the clavicle (collar bone) separates from the scapula (shoulder blade).

Question 4

Head of the Humerus

Answer 4

Consists of the bone’s large rounded head joined to the body by a constricted portion called the neck, and two eminences, the greater and lesser tubercles

Question 5

Acromion Process

Answer 5

A bony process on the scapula (shoulder blade). Together with the coracoid process it extends laterally over the shoulder joint. … It articulates with the clavicle (collar bone) to form the acromioclavicular joint.

Question 6

Glenoid Labrum

Answer 6

A fibrocartilaginous structure (not a fibrocartilage as previously thought) rim attached around the margin of the glenoid cavity in the shoulder blade.

Question 7

Hills-Sach

Answer 7

A cortical depression in the posterolateral head of the humerus.

Question 8

Brachial Plexus

Answer 8

A network of nerves formed by the ventral rami of the lower four cervical nerves and first thoracic nerve

Question 9

Rotator Cuff

Answer 9

A group of muscles and tendons that surround the shoulder joint, keeping the head of your upper arm bone firmly within the shallow socket of the shoulder.

Question 10

Stinger

Answer 10

injuries that occur when nerves in the neck and shoulder are stretched or compressed after an impact.

Question 11

SC Joint

Answer 11

formed from the articulation of the medial aspect of the clavicle and the manubrium of the sternum.

Question 12

Biceps Tendon

Answer 12

helps bend and rotate arm.

Question 13

DOMS

Answer 13

the pain and stiffness felt in muscles several hours to days after unaccustomed or strenuous exercise.

Question 14

Dynamic Stability

Answer 14

The characteristic of a body, such as an aircraft, rocket, or ship, that causes it, when disturbed from an original state of steady motion in an upright position, to damp the oscillations set up by restoring moments and gradually return to its original state.

Question 15

Synergistically

Answer 15

having the capacity to act in synergism.