Test 2: Appendicular Muscles-upper limb Flashcards
Muscle that controls movement of clavicle
Subclavius
Muscles that help control movement of the scapula
Trapezius Levator Scapulae Rhomboid major and minor Serratus anterior Pectoralis minor
Rotator cuff muscles (SITS)
Supraspinatus
Infraspinatus
Teres minor
Subscapularis
Muscles that are involved in moving the arm and the shoulder
Muscles that control movement of scapula Coracobraccialis Deltoid Latissmus Dorsi Pectoralis Major Teres major
Muscles that move the elbow joint
Anconius Biceps brachii Brachialis Brachioradialis Triceps brachii
Muscles that move the forearm and hand
Supinator
pronator teres
pronator quadratus
Wrist flexors
Flexor carpi ulnaris
Flexor carpi radialis
Palmarus longus
Finger flexors
Flexor policis longus
Flexor digitorum superficialis
Flexor digitorum profundus
Wrist extensors
Extensor carpi ulnaris
Extensor carpi radialis longus
Extensor carpi radialis brevis
Finger extensors
Extensor digitorum
Extensor indices
Extensor digiti minimi
Thumb abductors
Abductor pollicis longus
Abductor pollicis brevis
Flexor carpi radialis
O-Medial epicondyle of humerus
I- 2nd and 3rd metacarpals
A- flexes and abducts hand
Flexor carpi ulnaris
O- medial epicondyle of humerus, olecranon process and dorsal border of ulna
I- pisiform hamate, 5th metacarpal
A- flexes and adducts hand
Flexor digitorum superficialis
O- Medial epicondyle of humerus, proximal ulna and proximal radius
I- Middle philanges of digits 2-5
A- Flexes philanges, flexes hand
Flexor digitorum profundus
O- Anterior, proximal surface of ulna
I- Distal philanges of digits 2-5
A- flexes philanges, flexes hand
Palmaris longus
O- medial epicondyle of humerus
I- palmar aponeurosis
A-flexes hand
Teres minor
O- lateral border of scapula
I- greater tubercle of humerus
A- rotates and adducts arm. stabilizes shoulder joint
Teres major
O- inferior angle of scapula
I- crest of lesser tubercle of humerus
A- extends, adducts, medially rotates arm
Rhomboid major
O-spines of T2-T5
I- lower 1/3 of vertebral border of scapula
A- Adducts scapula (pulls together)
Rhomboid minor
O-Ligamentum nuchae, C7-T6
I- Vertebral border of scapula at scapular spine
A- Adducts scapula
Pectoralis major
O- clavicle, sternum, cartilages of ribs 1-7
I- Crest of greater tubercle of humerus
A- Flexes adducts and medially rotates arm
pectoralis minor
O- ribs 3-5
I- Coracoid process of scapula
Triceps brachii
O- Infraglenoid tuberosity of scapula, lateral/posterior surface of humerus
I- Olecranon process of ulna
A- extends arm/adducts arm, extends forearm
Biceps brachii
O- long head; superior margin of glenoid fossa
I- radial tuberosity of ulna
A- flexes arm, flexes forearm, supinates hand
Brachioradialis
O-lateral supracondylar ridge of humerus
I- styloid process of radius
A- flexes forearm
Brachialis
O- anerior, distal surface of humerus
I- midmedial shaft of humerus
A- flexes and adducts arm
Extensor carpi ulnaris
O-Lateral epicondyle of humerus, proximal ulna
I- 5th metacarpal
A- extends adducts hand
Extensor digitorum
O-lateral epicondyle of humerus
I- middle and distal philanges of digits 2-5
A- extends philanges, extends hand
What do muscles that extend the forearm and hand have in common?
Extensor carpi ulnaris and extensor digitorum both originate at the lateral epicondyle of the humerus
Pronator teres
O-medial epicondyle of humerus, coroid process of ulna
I- lateral, middle shaft of radius
A- pronates hand, flexes forearm
Pronator quadratus
O- distal part of anterior ulna
I- distal radius
A- pronates hand
Supinator
O-Lateral epicondyle of humerus
I- proximal radius
A- supinates hand
