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OU BIO 206 Muscle Lecture II
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41
Anatomy
Undergraduate 1
11/03/2013

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Term
Triceps Brachii (Long head)- O,I,A
Definition
O: infraglenoid tubercle; I: olecranon process of the ulna; A: extend forearm
Term
Triceps Brachii (Lateral head)- O,I,A
Definition
O: humerus, above the radial groove ; I: olecranon process of the ulna; A: extend forearm
Term
Triceps Brachii (Medial head)- O, I,A
Definition
O: humerus, below the radial groove; I: olecranon process of the ulna; A: extend forearm
Term
Biceps Brachii (Long head)- O,I,A
Definition
O: supraglenoid tubercle; I: radial tuberosity; A: supinate & flex forearm
Term
Biceps Brachii (Short head)- O,I,A
Definition
O: coracoid process; I: radial tuberosity; A: supinate & flex forearm
Term
Coracobrachialis- O,I,A
Definition
O: coracoid process; I: humerus, middle medial surface; A: flex arm
Term
Brachialis- O,I,A
Definition
O: humerus, lower anterior surface; I: coronoid process of the ulna; A: flex forearm
Term
Number of mm in the superficial anterior forearm compartment:
Definition
4
Term
Number of mm in the anterior intermediate forearm compartment:
Definition
1
Term
Number of mm in the anterior deep forearm compartment:
Definition
3
Term
Number of mm in the posterior superficial forearm compartment:
Definition
7
Term
Number of mm in the posterior deep forearm compartment:
Definition
5
Term
Pronator teres- O,I,A
Definition
O: humerus, medial epicondyle; I: diaphysis of radius; A: pronate forearm
Term
Flexor carpi radialis- O,I,A
Definition
O: humerus, medial epicondyle; I: lateral side of anterior wrist; A: flex & abduct hand
Term
Palmaris longus- O,I,A
Definition
O: humerus, medial epicondyle; I: palmar aponeurosis; A: flex hand
Term
What percent of the population possess the palmaris longus muscle?
Definition
85-90%
Term
Flexor carpi ulnaris- O,I,A
Definition
O: humerus, medial epicondyle; I: medial side of anterior wrist; A: flex & adduct hand
Term
Flexor digitorum superficialis- O,I,A
Definition
O: humerus, medial epicondyle & radius, diaphysis; I: bases of middle phlanges, digits 2-5; A: flex digits 2-5
Term
What is the name of the joint that flexor digitorium superficialis m acts on?
Definition
proximal interphalangeal (P.I.P) joint
Term
What is the name of the joint that flexor digitorum profundus m acts on?
Definition
distal interphalangeal (D.I.P) joint
Term
Flexor digitorum profundus- O,I,A
Definition
O: ulna; I: bases of distal phalanges, digits 2-5; A: flex digits 2-5
Term
Flexor pollicis longus- O,I,A
Definition
O: radius; I: base of distal phlanx digit 1; A: flex thumb
Term
Pronator quadratus- O,I,A
Definition
O: distal anterior ulna; I: distal anterior radius; A: pronate distal forearm
Term
Brachioradialis- O,I,A
Definition
O: humerus, lateral epicondyle; I: lateral surface of wrist; A: flex forearm
Term
Extensor carpi radialis longus- O,I,A
Definition
O: humerus, lateral epicondyle; I: lateral side of wrist; A: extend & abduct hand
Term
Extensor carpi radialis brevis- O,I,A
Definition
O; humerus, lateral epicondyle; I: lateral side of wrist; A: extend & abduct hand
Term
Extensor digitorum- O,I,A
Definition
O: humerus, lateral epicondyle; I: extensor expansions of digits 2-5; A: extend digits 2-5
Term
Extensor digiti minimi- O,I,A
Definition
O: humerus, lateral epicondyle; I: extensor expansion of digit 5; A: extend digit 5
Term
Extensor carpi ulnaris- O,I,A
Definition
O: humerus, lateral epicondyle; I: medial surface of wrist; A: extension & adduct hand
Term
Anconeus- O,I,A
Definition
O: humerus, lateral epicondyle; I: posterior surface of ulna; A: extend forearm
Term
Supinator- O,I,A
Definition
O: proximal ulna; I: promimal radius; A: supinate forearm
Term
What two muscles can you find supinator between?
Definition
Extensor digitorum & extensor carpi radialis brevis
Term
Abductor pollicis longus- O,I,A
Definition
O: ulna; I: digit 1; A: abduct thumb
Term
Extensor pollicis brevis- O,I,A
Definition
O: ulna; I: digit 1; A: extend thumb
Term
Extensor pollicis longus- O,I,A
Definition
O: ulna; I: digit 1; A: extend thumb
Term
Extensor indicis- O, I, A
Definition
O: ulna; I: digit 2; A: extend digit 2
Term
The transverse, fibrous connective tissue spanning the medial and lateral carpal bones is called the:
Definition
flexor retinaculum
Term
Name the contents of the carpal tunnel:
Definition
Flexor digitorum superficialis (4 tendons), flexor digitorum profundus (4 tendons), flexor pollicis longus (1 tendon), & median nerve
Term
Name the 4 thenar mm:
Definition
Abductor pollicis brevis, flexor pollicis brevis, opponens pollicis, & adductor pollicis
Term
Name the 4 hypothenar mm:
Definition
Abductor digiti minimi, flexor digiti minimi brevis, opponens digiti minimi, palmaris brevis
Term
Name the 3 groups of small hand mm:
Definition
Lumbricals 1-4, dorsal interossei 1-4, & palmar interossei 1-3
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