Kinesiology Chapter 6 Study Guide

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T & bicipital aponeurosis

T/F The insertion of the biceps brachii muscle is the radial tuberosity.

B. Weak flexion of the elbow

Which of the following is an action of the pronator teres muscle? A. Weak extension of the elbow B. Weak flexion of the elbow C. Weak pronation from supinated position D. Weak supination from a pronated position

B. Extension of the elbow

Which of the following is not an action of the brachioradialis muscle? A. Flexion of the elbow B. Extension of the elbow C. Pronation from supinated position D. Supination from a pronated position

D. Middle 1/3 of the lateral surface of the radius

Which of the following is the insertion of the pronator teres muscle? A. Infraglenoid tubercle below the inferior lip of glenoid fossa of the scapula B. Upper half of the posterior surface of the humerus C. Distal 2/3 of the posterior surface of the humerus D. Middle 1/3 of the lateral surface of the radius

A. biceps brachialis

An agonist to the supinator muscle is the _____. A. biceps brachialis B. brachialis C. brachioradialis D. triceps brachii

T

T/F Medial epicondylitis is also known as golfer's elbow.

A. Anconeus

The muscles that perform radioulnar supination include all of the following except? A. Anconeus B. Biceps brachii C. Supinator D. Brachioradialis

A. Pronation of the forearm

Actions of the biceps brachii include all of the following except? A. Pronation of the forearm B. Flexion of the elbow C. Supination of the forearm D. Weak flexion of the shoulder joint

D. Weak flexion of the shoulder

Actions of the brachioradialis muscle include all of the following except? A. Flexion of the elbow B. Pronation from a supinated position to neutral C. Supination from pronated position to neutral D. Weak flexion of the shoulder

A. frontal

Actions of the elbow and radioulnar joints occur in all of the following planes except? A. Frontal B. Transverse C. Sagittal D. Horizontal

D. Coronoid process (ulna)

All of the following are bony landmarks located on the humerus except? A. Lateral condyloid ridge B. Olecranon fossa C. Coronoid fossa D. Coronoid process

D. Brachialis

Muscles that primarily extend the elbow and supinate the forearm include all of the following except? A. Triceps brachii B. Anconeus C. Supinator D. Brachialis

A. Anconeus

Muscles that primarily flex the elbow and pronate the forearm include all of the following except? A. Anconeus B. Brachioradialis C. Pronator teres D. Pronator quadratus

C. Brachialis

Radioulnar supinators include all of the following except? A. Biceps brachii B. Supinator muscle C. Brachialis D. Brachioradialis

T- for elbow extension it is olecranon

T/F Normal bony limitation of elbow flexion is limited by the coranoid process fitting into the coranoid fossa.

T

T/F Bony stability of the elbow in full extension is enhanced by the olecranon process fitting into the olecranon fossa.

F- replace less with more

T/F Lateral epicondylitis is a condition that occurs less commonly than medial epicondylitis.

T

T/F Motion of the elbow primarily involves movement between articular surfaces of the humerus and ulna.

F- replace flexion with extension

T/F Movement at the elbow by the forearm away from the shoulder is accurately described by the term "flexion."

T

T/F Positioning the forearm in pronation reduces the effectiveness of the biceps brachialis in flexing the elbow.

F- replace internal with external

T/F Supination refers to internal rotary movements of the radius on the ulna.

T

T/F The distal attachments of the radioulnar joint muscles are located on the radius.

F- replace internal/external rotation with flexion & extension

T/F The elbow joint is a hinge-type joint that allows for internal and external rotation.

F-replace proximal with distal

T/F The insertion of the brachioradialis muscle is the proximal end of the radius at the styloid process.

T

T/F The insertion of the triceps brachii muscle is the olecranon process of the ulna.

F

T/F The lateral supracondylar ridge is an anatomical landmark located on the ulna.

T

T/F The olecranon process is located on the medial aspect of the ulna.

T ( long head)

T/F The origin of the biceps brachii muscle includes the supraglenoid tubercle above the superior lip of the glenoid fossa.

T C6, C7

T/F The pronator teres is innervated by the median nerve.

T

T/F The radial collateral ligament provides lateral stability to the elbow and is rarely injured.

F- replace capitulum with radial notch

T/F The radial head sits inside of the capitulum and is held in place by the annular ligament.

T

T/F The ulna is much larger proximally than the radius.

T

T/F When performing a pushup the biceps brachii is considered to be an antagonist musc

T

T/F When the arm is held in the anatomical position the radial tuberosity is in close proximity to lateral side of the ulna.

F- swap ulna & radius

T/F While in the anatomical position the radius is medial with respect to the ulna.

T

T/F The insertion of the brachialis muscle is the coracoid process of the ulna.

F- replace clavicle with humerus

T/F The scapula and clavicle serve as the proximal attachments for the muscles that flex and extend the elbow.

B. Interosseus

The ligaments of the elbow include all of the following except? A. Radial collateral B. Interosseus C. Ulnar collateral D. Annular

D. ulnar collateral ligament

The most commonly injured ligament in the elbow due to throwing is the _____. A. annular ligament B. radial collateral ligament C. radioulnar ligament D. ulnar collateral ligament

B. Brachialis

The muscles that perform radioulnar pronation include all of the following except? A. Brachioradialis B. Brachialis C. Pronator teres D. Pronator quadratus

A. Supraglenoid tubercle above the superior lip of the glenoid fossa of the scapula

The origin of the triceps muscle includes all of the following except? A. Supraglenoid tubercle above the superior lip of the glenoid fossa of the scapula B. Infraglenoid tubercle below the inferior lip of glenoid fossa of the scapula C. Upper half of the posterior surface of the humerus D. Distal 2/3 of the posterior surface of the humerus

A. Pronator teres

The radial nerve innervates all of the following muscles except? A. Pronator teres B. Triceps brachii C. Brachioradialis D. Anconeus

A. biceps brachialis (requires supination and this is the muscles that is most significant)

Tightening a screw with a screwdriver using the right hand depends significantly upon the action of the _____. A. biceps brachialis B. brachioradialis C. supinator D. triceps brachii

D. Pronator teres

When viewed from the anatomical position which of the following is located on the anterior surface of the arm? A. Anconeus B. Supinator Teres C. Triceps Brachii D. Pronator teres

A. Anconeus

When viewed from the anatomical position which of the following is located posterior surface of the arm? A. Anconeus B. Pronator quadratus C. Biceps brachii D. Pronator teres

D. Lateral epicondyle of the humerus and neighboring posterior part of the ulna

Which of the following is the origin of the supinator muscle? A. Medial epicondyle of the humerus and neighboring posterior part of the ulna B. Medial epicondyle of the humerus and neighboring posterior part of the radius C. Lateral epicondyle of the humerus and neighboring posterior part of the radius D. Lateral epicondyle of the humerus and neighboring posterior part of the ulna

B. Flexion of the elbow

Which of the following is the sole action of the brachialis muscle? A. Weak flexion of the shoulder B. Flexion of the elbow C. Pronation from supinated position D. Supination from a pronated position

D. Pronator quadratus

Which of the following muscles does not act in flexion of the elbow? A. Biceps brachii B. Brachialis C. Brachioradialis D. Pronator quadratus

C. Brachioradialis

Which of the following muscles is involved in both pronation and supination? A. Biceps brachialis B. Brachialis C. Brachioradialis D. Supinator


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