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Upper Extremity
Bones, ligaments, muscles, blood vessels, nerves.
Topics
Muscles of the upper limb
Skeletal muscles in the shoulder region, upper arm, forearm, and hand.
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- Muscles of upper limb (overview)
- Scapulohumeral muscles (shoulder muscles)
- Deltoid muscle
- Rotator cuff muscles (overview)
- Supraspinatus and infraspinatus muscles
- Teres minor
- Subscapularis
- Teres major muscle
- Arm muscles
- Anterior compartment of arm
- Biceps brachii muscle
- Coracobrachialis muscle
- Brachialis muscle
- Posterior compartment of arm
- Triceps brachii muscle
- Forearm muscles
- Anterior compartment of forearm muscles: superficial part
- Pronator teres
- Flexor carpi radialis
- Palmaris longus
- Flexor carpi ulnaris
- Flexor digitorum superficialis
- Anterior compartment of forearm muscles: deep part
- Flexor digitorum profundus
- Flexor pollicis longus
- Pronator quadratus
- Posterior compartment of forearm muscles: superficial part
- Brachioradialis
- Extensor carpi radialis longus
- Extensor carpi radialis brevis
- Extensor digitorum
- Extensor digiti minimi
- Extensor carpi ulnaris
- Anconeus muscle
- Posterior compartment of forearm muscles: deep part
- Supinator
- Extensor indicis
- Extensor pollicis longus
- Extensor pollicis brevis
- Abductor pollicis longus
- Hand muscles
- Lateral muscles of hand (muscles of thumb)
- Abductor pollicis brevis
- Flexor pollicis brevis
- Opponens pollicis
- Adductor pollicis
- Middle or intermediate muscles of hand
- Lumbricals of hand
- Palmar interossei
- Dorsal interossei muscles of hand
- Medial muscles of hand (muscles of little finger)
- Abductor digiti minimi
- Flexor digiti minimi
- Opponens digiti minimi
- Palmaris brevis
Skeleton of the upper limb
Bones that form the skeleton of the shoulder girdle and the free upper extremity.
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- Skeleton of upper limb (overview)
- Scapula
- Clavicle
- Humerus
- Humerus (proximal epiphysis)
- Humerus (diaphysis)
- Humerus (distal epiphysis)
- Bones of forearm
- Ulna
- Ulna (proximal epiphysis)
- Ulna (diaphysis)
- Ulna (distal epiphysis)
- Radius
- Radius (proximal epiphysis)
- Radius (diaphysis)
- Radius (distal epiphysis)
- Bones of hand
- Carpal bones
- Scaphoid
- Lunate
- Triquetral
- Pisiform bone
- Trapezium
- Trapezoid
- Capitate
- Hamate
- Metacarpal bones
- Metacarpal bones (parts)
- First metacarpal bone
- Second metacarpal bone
- Third metacarpal bone
- Fourth metacarpal bone
- Fifth metacarpal bone
- Phalanges of hand
- Phalanges of hand (parts)
- Proximal phalanges of hand
- Intermediate (middle) phalanges of hand
- Distal phalanges of hand
Innervation of the upper limb
Brachial plexus, nerves arising from the plexus and supplying the upper limb.
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- Brachial plexus
- Roots and trunks of brachial plexus
- Divisions of brachial plexus
- Cords of brachial plexus
- Supraclavicular part of brachial plexus
- Infraclavicular part of brachial plexus
- Musculocutaneous nerve
- Medial brachial cutaneous nerve
- Medial antebrachial cutaneous nerve
- Axillary nerve
- Median nerve
- Ulnar nerve
- Radial nerve
Ligaments of the upper limb
Ligaments of the shoulder and ligaments strengthening joints of the free upper limb.
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- Ligaments of shoulder girdle
- Coracoacromial ligament
- Superior transverse scapular ligament
- Ligaments of acromioclavicular joint
- Ligaments of shoulder joint
- Shoulder bursas
- Ligaments of elbow joint
- Interosseous membrane of forearm
- Ligaments of wrist joint
- Ligaments of midcarpal joint
- Ligaments of carpometacarpal joints
- Ligaments of intermetacarpal joints
- Ligaments of metacarpophalangeal and interphalangeal joints