Term
| Muscles of the pectoral girdle and upper extremity may be classified into what five groups? (HW-page 353) |
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Definition
"Muscles that move the pectoral girdle
Muscles that move the glenohumeral joint
Muscles that move the elbow
Muscles that move the wrist joint, hand and fingers
Intrinsic muscles of the hand
" |
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Term
"Identify: Origin: Sternal ends of the 3rd, 4th, and 5th ribs
Insertion: Coracoid process of the scapula
Action: Pulls scapula forward and downward
(HW - page 354)" |
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Definition
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Term
"Identify: Origin: External surfaces of lateral parts of ribs 1-8/9
Insertion: Anterior vertebral border of the scapula
Action: Pulls scapula forward and downward
(HW - page 354)" |
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Definition
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Term
"Identify: Origin: Posterior tubercles of transverse process of C1-C4
Insertion: Superior part of vertebral border of scapula
Action: Elevates scapula and tilts its glenoid cavity inferiorly by rotating scapula
(HW - page 355)" |
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Definition
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Term
"Identify: Origin: Spinous process of T2-T5. Insertion: Vertebral border of the scapula from the inferior border of the rhomboideus minor to the inferior angle of the scapula. Action: Adducts scapula and rotates it to depress glenoid cavity
(HW - page 355)" |
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Definition
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Term
"Identify: Origin: Medial 1/3 of superior nuchal line, external occipital protuberance, nuchal ligament, & spines of C7 & all thoracic vertebrae. Insertion: Lateral third of clavicle, acromion process, & spine of scapula. Action: Elevates, retracts & rotates scapula; superior fibers elevate; middle fibers retracts; inferior fibers depress scapula; superior and inferior fibers work together in superior rotation of scapula
(HW - page 355)" |
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Definition
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Term
"Identify: Origin: Spines of sacral, lumbar, and lower thoracic vertebrae; iliac crest and lower 4 ribs
Insertion: Intertubercular groove of the humerus
Action: Extends, adducts, and rotates humerus medially; retracts shoulder
(HW - page 358)" |
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Definition
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Term
"Identify: Origin: Clavicular head: Anterior surface of medial half of clavicle. Sternocostal head: Anterior surface of sternum, superior six costal cartilages & aponeurosis of external abdominal oblique. Insertion: Crest of greater tubercle of humerus. Action: Adducts
& medially rotates humerus. Draws shoulder joint anteriorly and inferiorly. (HW - page 358)
" |
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Definition
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Term
"Identify: Origin: Clavicle, acromion process, spine of the scapula
Insertion: Deltoid tuberosity of the humerus
Action: Anterior part: Flexes and medially rotates arm
Middle part: Abducts arm
Posterior part: Extends and laterally rotates arm
(HW - page 359)" |
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Definition
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Term
"Identify: Origin: Coracoid process of the scapula
Insertion: Middle third of medial surface of humerus
Action: Flexes and adducts arm at shoulder joint
(HW - page 359)" |
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Definition
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Term
"Identify: Origin: Inferior angle and lateral border of scapula
Insertion: Crest of lesser tubercle of the humerus
Action: Medially rotates and adducts arm
(HW - page 359)" |
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Definition
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Term
"Identify: Origin: Subscapular fossa
Insertion: Lesser tubercle of humerus
Action: Extends humerus, adducts and rotates arm medially
(HW - page 359)" |
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Definition
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Term
"Identify: Origin: Supraspinous fossa of the scapula
Insertion: Greater tubercle of the humerus
Action: Abducts and laterally rotates humerus
(HW - page 359)" |
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Definition
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Term
"Identify: Origin: Infraspinous fossa of the scapula
Insertion: Greater tubercle of the humerus
Action: Rotates arm laterally (HW - page 359)" |
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Definition
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Term
"Origin: Superior part of axillary border of scapula
Insertion: Greater tubercle of humerus
Action: Rotates arm laterally (HW - page 359)" |
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Definition
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Term
| List the four muscles that make up the rotator cuff. (HW - page 359) |
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Definition
"Subscapularis
Supraspinatus
Infraspinatus
Teres minor" |
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Term
| What is the main function of the rotator cuff? (HW - page 359) |
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Definition
| To hold the head of the humerus in the glenoid cavity during movements of the shoulder joint. |
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Term
| What separates the limbs into compartments? (HW - page 361) |
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Definition
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Term
| What two compartments occur in the brachium? (HW - page 361) |
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Definition
"Anterior (flexor) compartment
Posterior (extensor) compartment
" |
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Term
"Identify: Origin: Short head: Coracoid process of scapula. Long head: Supraglenoid tubercle of scapula. Insertion: Radial tuberosity and fascia of forearm via bicipital aponeurosis Action: Flexes and supinates forearm
(HW - page 361)" |
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Definition
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Term
"Identify: Origin: Distal half of anterior shaft of the humerus Insertion: Coronoid process of ulna Action: Flexes forearm
(HW - page 363)" |
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Definition
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Term
"Identify: Origin: Proximal two thirds of lateral supracondylar ridge of humerus
Insertion: Lateral surface of distal end of radius
Action: Flexes forearm
(HW - page 363)" |
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Definition
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Term
"Identify: Origin: Long head: Infraglenoid tubercle of scapula Lateral head: Posterior surface of humerus superior to radial nerve groove Medial head: Posterior surface of humerus inferior to radial nerve groove
Insertion: Olecranon process of the ulna. Action: Extends forearm. Long head steadies head of abducted humerus.
(HW - page 363)" |
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Definition
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Term
"Identify: Origin: Medial epicondyle of the humerus and coronoid process of ulna
Insertion: Middle of lateral surface of the radius
Action: Pronates forearm
(HW - page 364)" |
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Definition
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Term
"Identify: Origin: Distal fourth of anterior surface of ulna.
Insertion: Distal fourth of anterior surface of radius
Action: Pronates hand
(HW - page 364)" |
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Definition
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Term
"Identify: Origin: Lateral epicondyle of the humerus and crest of the ulna
Insertion: Lateral surface of the proximal third of radius
Action: Supinates forearm
(HW - page 364)" |
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Definition
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Term
"Identify this group of muscles in the anterior forearm: Origin: Medial epicondyle of the humerus; anterior, proximal ulna and radius; interosseous membrane
Insertion: Carpals, metacarpals, and phalanges
Action: Flex wrist and digits
(HW - page 364)" |
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Definition
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Term
"Identify this group of muscles in the posterior forearm: Origin: Lateral epicondyle of the humerus; posterior surfaces of the radius and ulna; interosseous membrane
Insertion: Carpals, metacarpals, and phalanges
Action: Extend wrist and digits
(HW - page 364)" |
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Definition
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Term
| What is another name for the flexor retinaculum of the wrist? (HW) |
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Definition
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Term
| The flexor retinaculum of the wrist and the arch of the carpals form what structure? (HW - page 366) |
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Definition
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Term
| What group of muscles forms the thick, fleshy mass at the base of the thumb and work to abduct, flex, or oppose the thumb? (HW - page 372) |
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Definition
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Term
| What group of muscles forms the small fleshy mass at the base of the fifth digit of the hand and work to abduct, flex, and oppose the 5th digit? (HW - page 372) |
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Definition
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Term
| Within the hand, what group of muscles lies between the 1st and 5th digits? (HW - page 372) |
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Definition
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Term
"Identify: Origins - Tendons of a flexor which sends a tendon to the distal phlanx of digits 2-5.
Insertions - Lateral sides of extensor expansions of digits 2-5. Action - Flex digits at metacarpophalangeal joints and extend interphalangeal joints
(HW - page 372)" |
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Definition
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Term
"Identify: Origin - Adjacent sides of two metacarpal bones
Insertions - Extensor expansions and bases of proximal phalanges of digits 2-4
Action - Abducts digits 2-4
(HW - page 372)" |
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Definition
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Term
"Identify: Origins - Palmar surfaces of metacarpals 2, 4, and 5
Insertions - Extensor expansions of digits and bases of proximal phalanges of digits 2, 4 and 5
Action - Adduct digits 2, 4, and 5
(HW - page 372)" |
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Definition
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Term
| What muscle flexes the elbow but neither originates nor inserts on the humerus? (HW - page 360) |
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Definition
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Term
| The tendons of what muscle group can be seen on the dorsum of the hand? (HW - page 364) |
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Definition
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Term
| What muscle forms the anterior border of the axilla? (HW - page 353) |
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Definition
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Term
| What muscle lies in the infraspinous fossa? (HW - page 360) |
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Definition
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Term
| What muscle inserts on the olecranon process? (HW - page 360) |
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Definition
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