Arm Actions

Latissimus Dorsi

Teres Major

Deltoid Anterior Fibers

Deltoid Posterior Fibers

Deltoid Middle fibers

Pectoralis Major

Pectoralis Minor

Serratus Anterior

Triceps Brachii Long, Medial, Lateral Head.

Elbow extension; long head assists shoulder extension/adduction

Coracobrachialis

Shoulder flexion and adduction

Biceps Brachii Long/Short Head

Elbow flexion, forearm supination, shoulder flexion

Brachialis

Primary elbow flexor

Anconeus

Elbow extension; stabilizes elbow

Supinator

Forearm supination

Brachioradialis

Elbow flexion

Pronator Teres

Forearm pronation; elbow flexion

Flexor Carpi Radialis

Wrist flexion and abduction

Palmaris Longus

Wrist flexion; tenses palmar fascia

Flexor Carpi Ulnaris

Wrist flexion and adduction

Flexor Digitorum Superficialis

Flexes PIP joints (digits 2-5)

Flexor Digitorum Profundus

Flexes DIP joints (digits 2-5)

Flexor Pollicis Longus

Flexes thumb

Pronator Quadratus

Forearm pronation

Flexor digiti minimi brevis

Flexes 5th digit

Adductor Pollicis (Oblique/Transverse Head)

Adducts thumb

Flexor pollicis brevis

Lumbricals

Supraspinatus

Infraspinatus

Teres Minor

Subscapularis

palmar interossei

dorsal interossei

Extensor Carpi Radialis Longus

Wrist extension and abduction

Extensor Carpi Radialis Brevis

Wrist extension and abduction

Extensor Digitorum

Extends digits 2-5

Extensor Digiti Minimi

Extends 5th digit

Extensor Carpi Ulnaris

Wrist extension and adduction

Extensor Pollicis Brevis

Extends proximal thumb

Extensor Pollicis Longus

Extends thumb IP joint

Extensor Indicis

Extends index finger

Opponens Pollicis

Thumb opposition

Abductor Pollicis Brevis

Thumb abduction

Abductor Pollicis Longus

Thumb abduction and extension

Abductor digiti minimi

Abducts 5th digit

Opponens digiti minimi

Opposition of 5th digit

Accessory Nerve

Dorsal Scapular Nerve

Long Thoracic Nerve

Medial pectoral Nerve

Lateral pectoral Nerve

Suprascapular Nerve

Subscapular Nerve (upper)

Subscapular Nerve (lower)

Axillary Nerve

Musculocutaneous nerve

Radial nerve

Median nerve

Ulnar nerve

Upper Trunk of the BP

Middle Trunk of the BP

Divisions of the BP

Roots of the BP

Lower Trunk of the BP

Glenohumeral ligaments

Glenoid labrum

Sternoclavicular joint

Acromioclavicular joint

Glenohumeral joint

Scapulothoracic joint

Acromial (lateral) end

sternal (medial) end

glenoid cavity (fossa)

acromion process

coracoid process

inferior angle of scapula

spine of the scapula

medial border of the scapula

supraspinous fossa

suprascapular notch

infraspinous fossa

Where does the arm "begin" and "end"?

ARM (BRACHIUM) - 1 bone

olecranon fossa

what part of the bone sits on/in the olecranon fossa?

humerus head

what part of the bone does the humerus head fit into?

Humerus- capitulum

Humerus- capitulum is a condyle that attaches to what bone

Humerus- trochlea

trochlea is a condyle that attaches to what bone

Humerus- greater tubercle

Humerus- lesser tubercle

Humerus- medial epicondyle

Humerus- lateral epicondyle

Humerus- intertubercular sulcus (bicipital groove)

Humerus- deltoid tuberosity

Humerus- coronoid fossa

Humerus- radial fossa

FOREARM (ANTEBRACHIUM) - 2 bones