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60 Cards in this Set
- Front
- Back
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Trapezius
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origin: ligamentum nuchae, spines of thoracic vertebra T1-T12
insertion: spine of scapula, acromium process, lateral 1/3 of clavicle action: Elevation, retraction of scapula nerve: Spinal accessory |
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Levator Scapulae
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origin: Transverse processes of C1-C4
insertion: Medial border of Scapula action: Elevation nerve: Dorsal Scapular |
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Minor Rhomboid
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origin: Spinu processes of C7-T1
insertion: Medial border of scapula action: Scapular retraction nerve: Dorsal Scapular |
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Serratus anterior
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origin: Lateral part of ribs 1-8
insertion: medial border of scapula action: Scapular protraction (in front) nerve: Long thoracic nerve Roses are red, violets are blue, the long thoracic nerve goes to the serratus anterior |
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Rhomboid major
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Origin: spinous process of T2-T5
Insertion: Medial border of Scapula action: Scapular Retraction nerve: Dorsal Scapular |
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Pectoralis Minor
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origin: Ribs 3-5
insertion: Corocoid process action: Protraction nerve: Medial Pectoral Nerve |
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Pectoralis major
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origin: Medial 2/3 of clavicle, most of sternum.
insertion: Greater tubercle action: shoulder flexion, adduction, inernal rotation. nerve; Medial/Lateral Pectoral nerves. |
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Latissimus dorsi
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Origin: Spinous Processes of T6-T12
Insertion: Floor of Biccipital groove Action: Addution, Extension, Internal Rotation of shoulder Nerve; Thoracodorsal |
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Deltoid
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Origin: Scapular Spine, acromium process, lateral 1/3 of clavicle
insertion: Deltoid tuberostiy on humerus Anterior action: flexion and internal rotation of shoulder Middle action: Abduction Posterior action: Extension, external rotations nerve: Axillary |
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Subscapularis
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origin: Subscapular fossa
insertion: Lesser tubercle of humerus action: internal rotation nerve: upper/lower subscapular nerves |
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Supraspinatus
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origin: supraspinous fossa
insertion: Greater tubercle action: weak abduction nerve; suprascapular |
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Infraspinatus
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origin: infraspinous fossa
insertion: greater tubercle of humerus action: external rotation nerve; suprascapular nerve |
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teres minor
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lateral border of scapula
greater tubercle external rotation of shoulder axillary nerve (also supplies deltoid) |
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teres major
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origin: inferior scapula
insertion: lesser tubercle action: internal rotation of upper extremity, counterposes teres minor/infraspinatus nerve: lower subscapulary nerve |
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Coracobrachialis
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origin: coracoid process
insertion: medial border of humerus, the Brachium action: flexion, adduction of shoulder nerve: musculocutaneous |
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biceps brachii longhead
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origin: supraglenoid tubercle, at top of glenoid fossa
insertion: radial tuberosity aciton: weak shoulder flexion, flexion/supination of elbow, forearm nerve; musculocutaneous |
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biceps brachii shorthead
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origin: coracoid process
insertion: radial tuberosity action: flexion/supination of elbow and forearm nerve: musculocutaneous |
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brachialis
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origin: lower 1/2 of humerus
insertion: ulnar tuberosity action: flexion of elbow nerve: musculocutaneous |
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triceps brachii (long head)
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origin: infraglenoid tubercle
insertion: triceps tendon, at olecranon process action: elbow/shoulder extension nerve: radial |
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triceps brachii lateral head
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origin: upper posterior humerus surface
insertion: triceps tendon, olecranon process action: elbow/shoulder extension nerve: radial |
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triceps brachii medial head
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origin: lower posterior humerus
insertion: triceps tendon, olecranon action: shoulder/elbow extension nerve: radial |
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anconeus
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lateral humeral epicondyle
olecranon process weak extension of elbow radial nerve |
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superficial anterior forearm muscles
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pronator teres, flexor carpi radialis, palmaris longus, flexor carpi ulnaris, flexor digitorum superficialis
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deep anterior forearm muscles
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flexor pollicis longus, flexor digitorum profundus, pronator quadratus
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deep anterior forearm muscles
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flexor pollicis longus, flexor digitorum profundus, pronator quadratus
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muscles attachnig the axial skeleton to the shoulder girdle
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trapezius, levator scapulae, rhomboids minor/major, serratus anterior, pectoralis minor
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Muscles inserting on the humerus
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pectoralis major, latissimus dorsi, deltoid, subscapularis, supraspinatus, infraspinatus, teris minor/major
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Anterior muscles of the arm
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Coracobrachialis, Biceps brachii long/shortheads, brachialis
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Posterior muscles of the arm
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triceps brachii lateral, medial, and longheads; anconeus
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pronator teres
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action: pronates forearm
nerve: median nerve origin: medial humeral epicondyle insertion: radius |
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Flexor carpi radialis
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action: flexion/abduction of wrist, aka radial deviation
nerve: median nerve origin: medial epicondyle of humerus insertion: carpal bones |
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Palmaris longus
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15% of people don't have it
Action: Weak wrist flexion nerve: Median |
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Flexor carpi ulnaris
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action: wrist flextion, adduction - ulnar deviation
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Flexor digitorum superficialis
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action: digit/wrist flexion
nerve: median nerve inserts on digit 2-5 tendons |
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Flexor pollicis longus
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action: pollex flexion, wrist/thumb flexion
nerve: median |
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flexor digitorum profundus
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deeply profound
action: wrist/all digit flexion; it pulls on the tendons of fingers nerve to radial half: median digits 1-2 nerve to medial half: ulnar, digits 4-5 |
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Pronator quadratus
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action: pronates forearm
nerve: median nerve |
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brachioradialis
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action: elbow flexion
nerve; radial origin: lateral epicondyle insertion: brachium |
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extensor carpi radialis longus/brevis
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action: wrist extension/abduction
nerve; radial |
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extensor digitorum
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action: extends digits 2-5 and wrist
nerve; radial |
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extensor digiti minimi
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action: extends digit 5 and wrist
nerve: radial |
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extensor carpi ulnaris
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action: extends wrist/ulnar deviation (adduction)
nerve: radial |
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Abductor pollicis longus
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action: abduction/extension of thumb
nerve: radial |
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Extensor pollicis brevis
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action: extends thumb
nerve: radial |
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extensor pollicis longus
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action: extends thumb
nerve: radial |
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extensor indicis
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action: index/1st digit extension
nerve: radial |
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supinator
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supinates lower arm
radial nerve |
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thenar (lateral) muscles of the hand
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abductor pollicis brevis, flexor pollicis brevis, opponens pollicis, adductor pollicis
THUMB |
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abductor pollicis brevis
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action; thumb abduction
nerve: median |
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flexor pollicis brevis
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action: thumb flexion
nerve; median |
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opponens pollicis
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action: thumb flexion/abduction
nerve: median |
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adductor pollicis
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action: thumb adduction
nerve: 1/2: Median nerve 1/2: ulnar nerve |
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Hypothenar muscles of the hand
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Medial group. Abductor digiti minimi, flexor digiti minimi brevis, opponenes digiti minimi
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abductor digiti minimi
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action: abducts pinkie
nerve; ulnar |
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flexor digiti minimi brevis
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action: pinkie flexion
nerve: ulnar |
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opponens digiti minimi
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action: flexion/abduction of pinkie
nerv: ulnar |
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Lumbricales
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action: flexion of metacarpalphalangeal joints 2-5, extension of interphalangeal joints
nerve (1-2): median nerve (3-4): ulnar |
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Interosseous muscles
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4 dorsal and 3 palmar
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dorsal interossei
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4
action: abduction of digits nerve: ulnar muscle 1 inserts on digit 2 muscle 2 inserts on digit 3 muscle 3 inserts on digit 4 muscle 4 inserts on digit 5 |
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palmar interossei
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3
action: digit adduction 2, 4 and 5 nerve: ulnar |
