Exam 2 - Chapter 8 Kines Book Flashcards Preview

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Flashcards in Exam 2 - Chapter 8 Kines Book Deck (28):
1

The body structures that provide motion at the elbow and the forearm. Includes the humeroulnar joint and the humeroradial joint. Its primary role is positioning and stabilizing the hand.

Elbow complex

2

Where is the proximal radioulnar joint located?

the forearm

3

These are seen in individuals who perform tasks that are repetitive and resistive. Signs and symptoms: pain, fatigue, tingling, numbness, and decreased function.

Repetitive Stress Injuries (aka repetitive motion injuries or cumulative trauma disorders).

4

RSIs

Repetitive Stress Injuries.

5

The angle formed by the long axis of the humerus and forearm.

carrying angle

6

Name the elbow flexors (there are four)

biceps brachii, brachialis, brachioradialis, and pronator teres

7

Name the elbow extensors (there are two and they are attached to the ulna)

triceps and anconeus

8

Muscles that work together in opposite directions to produce a stronger functional movement and stabilize the joint. Example: triceps/biceps

force couples

9

Symptoms include activity-related tingling and numbness in the ring and small fingers of the hand (possibly worse at night) and pain in the medial elbow.

cubital tunnel syndrome (ulnar nerve entrapment)

10

The tendon at the radial tuberosity tears or ruptures.
Signs and symptoms: a pop in the elbow, pain in the elbow that subsides 1 or 2 weeks after the injury, visible swelling and bruising at the elbow, weakness with elbow flexion and forearm supination, and a bulging in the upper arm.

distal biceps tendon rupture

11

Inflammation and pain in the elbow (at the lateral epicondyle) caused from overuse. Other symptoms include a weak grip, and exacerbated pain when lifting an object with the forearm in pronation. Caused by microscopic tears in the ECRB tendon.

lateral epicondylitis (Tennis Elbow)

12

Treatment for tennis elbow includes:

-client education, rest
-ergonomic considerations
-bracing
-use of cold and heat
-stretching
-scar mobilization
-strengthening

13

This is the study of the interaction between human capabilities and the demands of their occupational roles. Concerns adaptations to an individual's physical environment.

Ergonomics

14

The primary supinator of the radioulnar joint.

Biceps brachii

15

The secondary forearm supinator (radioulnar joint)

Supinator muscle

16

Muscles responsible for forearm pronation (there are two).

Pronator teres and pronator quadratus

17

This ligament attaches proximally at the lateral epicondyle and distally on the annular ligament and on the ulna.
Stabilizes the ulnohumeral and radiohumeral joints when using the elbow resistively.

Lateral Collateral Ligament (LCL)

18

Protects the stability of the elbow joint against excessive valgus stress (especially when the elbow is flexed between 60 - 90 degrees). Attaches proximally at the medial epicondyle of the humerus and attaches distally to the medial sides of the olecranon and coronoid processes.

Medial Collateral Ligament (MCL)

19

A strong, broad band that surrounds the radial head and binds it to the ulna. Prevents subluxation of the head of the radius and protects against dislocation of the proximal radioulnar joint.

annular ligament

20

Supports radius and ulna keeping them from separating through the length of the forearm.

Interosseous Membrane (IM)

21

Elbow ROM required to perform the majority of ADL tasks is between ____ and ____ degrees of flexion and extension

30 and 130

22

MMT

Manual Muscle Testing

23

Forearm supination and pronation used is ____ degrees each for a total arc of motion of ____ degrees

50, 100

24

Carrying angle in women is typically about ____ to ___ degrees, while carrying angle for men is about ____ degrees

10 to 15 for women, 5 for men

25

Women carry plate _____, while men carry plate _____

to side, to front

26

Elbow joint needs to be strong to withstand forces _____ the weight of the body

1-3 times

27

Biceps muscle is a stronger flexor muscle when combined with what?

forearm supination

28

What muscle contributes to elbow flexion only against resistance?

Pronator teres