20 Questions
Match the muscle to its Action.
Biceps Brachii = Flex elbow, extend shoulder Anconeus = Extend elbow Brachialis = Flex elbow Supraspinatus = Extend and stabilize shoulder
Match the muscle to its Action.
Tensor fascia antebrachii = Extend elbow Deep digital flexor = Flex carpus, flex digits 1-5 Superficial digital flexor = Flex carpus, flex digits 2-5 Deltoideus (all heads) = Flex shoulder
Match the muscle to its Action.
Extensor carpi radialis = Extend carpus Flexor carpi radialis = Flex carpus Teres minor = Flex shoulder, rotate shoulder laterally, prevent medial rotation (weight bearing) Coracobrachialis = Extend, adduct, and stabilize shoulder
Match the muscle to its Action.
Triceps brachii (all heads) = Extend elbow Flexor carpi ulnaris = Flex carpus Infraspinatus = Flex, and abduct shoulder; rotate humerus laterally; prevent medial rotation (weight bearing) Subscapularis = Extend, adduct, and medially stabilize shoulder; rotate shoulder medially; prevent lateral rotation (weight bearing)
Match the muscle to its Action.
Common digital extensor = Extend carpus, extend digits 2-5 Lateral digital extensor = Extend carpus, extend digits 3-5 Teres major = Flex shoulder, rotate shoulder medially, prevent lateral rotation (weight bearing) Triceps brachii (long head only) = Flex shoulder, extend elbow
Match the muscle to its Action.
Supinator = Supination Abductor digiti 1 longus = Abduct digit 1, extend carpus Pronator Teres and Quadratus = Pronation Ulnaris laterali = Flex carpus, abduct manus
Match the muscle to its Origin.
Deltoideus = Spine and acromial process of scapula Infraspinatus = Infraspinous fossa Teres major = Caudal angle/border of scapula Teres minor = Infraglenoid tubercle and caudal border of scapula
Match the muscle to its Origin.
Coracobrachialis = Coracoid process of scapula Supraspinatus = Supraspinous fossa of scapula Subscapularis = Subscapular fossa of scapula Tensor fascia antebrachii = Fascia on lateral latissimus dorsi
Match the Triceps Brachii muscle bellies to its Origin.
Long head = Caudal scapula border Lateral head = Tricipital line of humerus Accessory head = Neck of humerus Medial head = Crest of lesser tubercle of humerus
Match the muscle to its Origin.
Extensor carpi radialis = Lateral supracondylar crest Common digital extensor = Lateral epicondyle of humerus Biceps brachii = Supraglenoid tubercle of scapula Anconeus = Lateral supracondylar crest, lateral and medial epicondyle of humerus
Match the muscle to its Origin.
Brachialis = Brachialis groove of humerus Lateral digital extensor = Lateral epicondyle of humerus Superficial digital flexor = Medial epicondyle of humerus Flexor carpi radialis = Medial epicondyle of humerus, medial radius border
Match the muscle to its Origin.
Pronator teres = Medial epicondyle of humerus Flexor carpi ulnaris (ulnar head) = Caudal border and medial olecranon surface of ulna Pronator quadratus = Between radius and ulna Deep digital flexor (ulnar head) = Proximal 3/4 of caudal ulnar border
Match the muscle to its Origin.
Deep digital flexor (humeral head) = Medial epicondyle of humerus Abductor digiti 1 longus = Lateral border, cranial surface of ulna; interosseus membrane Deep digital flexor (radial head) = Middle 3rd medial border of radius Supinator = Lateral epicondyle of humerus
Match the muscle to its Origin.
Ulnaris lateralis = Lateral epicondyle of humerus Flexor carpi ulnaris (humeral head) = Medial epicondyle of humerus Extensor carpi radialis = Lateral supracondylar crest Anconeus = Lateral supracondylar crest; lateral and medial epicondyle of humerus
Match the muscle to its Insertion.
Deltoideus = Deltoid tuberosity of humerus Teres major = Teres major tuberosity of humerus Teres minor = Teres minor tuberosity of humerus Brachialis = Ulnar and radial tuberosities
Match the muscle to its Insertion.
Infraspinatus = Greater tubercle of humerus (lateral side) Coracobrachialis = Crest of lesser tubercle of humerus Triceps brachii (all heads) = Olecranon of ulna Supraspinatus = Greater tubercle of humerus (by a thick tendon)
Match the muscle to its Insertion.
Subscapularis = Lesser tubercle of humerus Tensor fascia antebrachii = Olecranon of ulna Biceps brachii = Ulnar and radial tuberosities Pronator teres = Medial radius border (between proximal and middle 3rd)
Match the muscle to its Insertion.
Flexor carpi radialis = Palmar metacarpals 2-3 Flexor carpi ulnaris (both heads) = Accessory carpal bone Superficial digital flexor = Palmar middle phalanges 2-5 Deep digital flexor (all heads) = Palmar distal phalanges 1-5
Match the muscle to its Insertion.
Abductor digiti 1 longus = Proximal end of metacarpal 1 Supinator = Cranial proximal 4th of radius Ulnaris lateralis = Lateral, proximal end of metacarpal 5; accessory carpal bone Lateral digital extensor = Proximal phalanges 3-5
Match the muscle to its Insertion.
Common digital extensor = Dorsal, Distal phalanges 2-5 Anconeus = Olecranon of ulna Biceps brachii = Ulnar and radial tuberosities Extensor carpi radialis = Dorsal metacarpals 2-3
Study Notes
Muscle Matchups
- Match muscles to their corresponding actions
- Match muscles to their origins (points of attachment to the skeleton)
- Match muscles to their insertions (points of attachment to the skeleton)
- Triceps Brachii muscle has three bellies (heads) that originate from different points
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