The muscles of the back of the arm, forearm, and hand.

Back View of Arm Muscles

The muscles of the back of the arm, forearm, and hand.

The superficial muscles of the arm and forearm.

Front View of Arm Muscles

The superficial muscles of the arm and forearm.

Wing of Bird; h Humerus or bone of upper arm; r and u Radius and Ulna, or bones of the forearm; c Carpus, or bones of the wrist; m Metacarpus, or bones of the root of the hand; p Phalanges, or bones of the fingers.

bones of arm

Wing of Bird; h Humerus or bone of upper arm; r and u Radius and Ulna, or bones of the forearm; c Carpus,…

Arm of humans; h Humerus or bone of upper arm; r and u Radius and Ulna, or bones of the forearm; c Carpus, or bones of the wrist; m Metacarpus, or bones of the root of the hand; p Phalanges, or bones of the fingers.

Bones of Arm

Arm of humans; h Humerus or bone of upper arm; r and u Radius and Ulna, or bones of the forearm; c Carpus,…

The posterior all of the axilla and the front of the arm (biceps being divided).

Muscles and Nerves of the Arm

The posterior all of the axilla and the front of the arm (biceps being divided).

Arteries of the palm of the head and front of the forearm. Labels: 3, deep part of the raised pronator of the radius; 4, long supinator muscle; 5, long flexor of the thumb; 6, square pronator; 7, deep flexor of the fingers; 8, cubital flexor of the wrist; 9, annular ligament; 10, the brachial artery; 12, radial artery; 13, recurring radial artery joining the end of the upper deep one; 4, superficial veins; 15, cubital artery; 16, superficial palmary arch; 17, magna artery of the thumb and radial artery of the index; 18, back cubital recurring artery; 19, front interosseous artery; 20, back interosseous artery.

Arteries of the Hand and Forearm

Arteries of the palm of the head and front of the forearm. Labels: 3, deep part of the raised pronator…

The muscles of the back forearm. 1, biceps; 2, brachialis internus; 3, triceps; 4, pronator radii teres; 5, flexor carpi radialis; 6, palmaris longus; 7, flexor sublimus digitorum; 8, flexor carpi ulnaris; 9, palmar fascia; 10, palmaris brevis; 11, abductor pollicis; 12, flexor brevis pollicis; 13, supinator longus; 14, extensor ossis metacarpi pollicis.

Back Forearm Muscles

The muscles of the back forearm. 1, biceps; 2, brachialis internus; 3, triceps; 4, pronator radii teres;…

"Shows how the bones of the arm (a), forearm (b), and hand (c), are twisted, and form a conical screw."—Pettigrew, 1874

Wing of Bird

"Shows how the bones of the arm (a), forearm (b), and hand (c), are twisted, and form a conical screw."—Pettigrew,…

Transverse section through the bend of the elbow.

Section Through Elbow

Transverse section through the bend of the elbow.

"Shows how the bones of the arm (q), forearm (q'x), and foot (o), are twisted to form an osseous screw."—Pettigrew, 1875

Anterior Extremity of Elephant

"Shows how the bones of the arm (q), forearm (q'x), and foot (o), are twisted to form an osseous screw."—Pettigrew,…

Man beating with his forearms in a raised position.

Exercise

Man beating with his forearms in a raised position.

Deep dissection of the front of the forearm and hand, showing the muscles, nerves, blood vessels, etc. Labels: 1, supinator longus (cut); 2, ulnar nerve; 3, brachialis anticus; 4, biceps; 5, musculo-spiral nerve; 6, median nerve; 7, posterior interosseous nerve; 8, pronator teres and flexor carpi radialis (cut); 9, extensor carpi radialis longior (cut); 10, brachial artery; 11, supinator brevis; 12, flexor sublimis digitorum (cut); 13, 13, radial nerve; 14, 14, flexor carpi ulnaris; 15, extensor carpi radialis brevior; 16, ulnar artery; 17, radial origin of flexor sublimis digitorum (cut); 18, flexor profundus digitorum; 19, tendon of pronator teres (cut); 20, 20, dorsal branch of ulnar nerve; 21, 21, radial artery; 22, 22, deep branch of ulnar nerve; 23, flexor longus pollicis; 24, abductor minimii digiti; 25, anterior interosseous nerve; 26, digital branches of ulnar nerve; 27, tendon of supinator longus (cut); 28, one of the lumbricales muscles (cut); 29, pronator quadratus (cut open); 31, tendon of flexor carpi radialis (cut); 33, digital branches of median nerve; 35, abductor pollicis.

Forearm and Hand

Deep dissection of the front of the forearm and hand, showing the muscles, nerves, blood vessels, etc.…

View of the nerves on the back part of the forearm and hand.

Nerves of the Forearm and Hand

View of the nerves on the back part of the forearm and hand.

Section through right forearm one inch below the elbow.

Cross Section Through Forearm One Inch below Elbow

Section through right forearm one inch below the elbow.

A section across the forearm a short distance below the elbow-joint. R and U, its two supporting bones, the radius and ulna; e, the epidermis, an d, the dermis, of the skin; the latter is continuous below with bands of connective tissue, s, which penetrate between and invest the muscles (I, 2, 3, 4, etc.); n, n, nerves and vessels.

Section Across the Forearm

A section across the forearm a short distance below the elbow-joint. R and U, its two supporting bones,…

Section through right forearm, two inches below the elbow.

Cross Section Through Forearm Two Inches below Elbow

Section through right forearm, two inches below the elbow.

Front view of the bones of the forearm

Back View of the Bones of the Forearm

Front view of the bones of the forearm

Bones of the right forearm,with their ligaments; volar aspect.

Bones and Ligaments of Forearm

Bones of the right forearm,with their ligaments; volar aspect.

Section one inch above the styloid process of the right radius.

Cross Section One Inch above the Styloid Process of the Forearm

Section one inch above the styloid process of the right radius.

Section three inches above the styloid process of the right radius.

Cross Section Three Inches above the Styloid Process of the Forearm

Section three inches above the styloid process of the right radius.

Section through the lower third of the right forearm.

Section Through Lower Third of Forearm

Section through the lower third of the right forearm.

Section through the middle of the right forearm.

Section Through Middle of the Forearm

Section through the middle of the right forearm.

Section through the styloid process of the right radius.

Cross Section Through the Styloid Process of the Forearm

Section through the styloid process of the right radius.

Section through upper third of the right forearm.

Cross Section Through Forearm Two Inches below Elbow

Section through upper third of the right forearm.

Section two inches above the styloid process of the right radius.

Cross Section Two Inches above the Styloid Process of the Forearm

Section two inches above the styloid process of the right radius.

The deep muscles of the front of the forearm and hand.

Deep Muscles of the Front Forearm

The deep muscles of the front of the forearm and hand.

Deep dissection of front of the forearm. Labels: 1, supinator longus; 2, ulnar nerve; 3, brachialis; 4, biceps; 5, musculo-spiral; 6, median; 7, posterior interosseous; 8, pronator teres; 9, extensor carpi radialis longior; 10, brachial artery; 11, supinator brevis; 12, flexor sublimus digitorum; 13, radial nerve; 14, flexor carpi ulnaris; 15, extensor carpi radialis brevior; 16, ulnar artery; 17, origin flexor sublimus digitorum; 18, flexor profundus digitorum; 19, tendon pronator teres; 20, dorsal branch of ulnar nerve; 27, tendon of supinator longus; 28, one of the lumbricales muscle; 29, pronator quadratus; 31, tendon flexor carp iradialis; 33, digital branches median nerve; 35, abductor pollicis.

Dissection of Forearm

Deep dissection of front of the forearm. Labels: 1, supinator longus; 2, ulnar nerve; 3, brachialis;…

The bones of the right forearm, dorsal view.

Dorsal View of the Bones of the Forearm

The bones of the right forearm, dorsal view.

Front view of the bones of the forearm

Front View of the Bones of the Forearm

Front view of the bones of the forearm

The muscles and nerves on the front of the forearm and hand. The pronator radii teres, flexor carpi radialis, and palmaris longus have been removed.

Muscles and Nerves of the Forearm

The muscles and nerves on the front of the forearm and hand. The pronator radii teres, flexor carpi…

The superficial muscles of the back of the forearm.

Muscles of the Back Forearm

The superficial muscles of the back of the forearm.

Section across the forearm in the middle third. Labels: A, pronator radii teres; B, flexor carpi radialis; C, flexor sublimis digitorum; D, palmaris longus; E, flexor carpi ulnaris; F, flexor profundus digitorum; G, extensor carpi ulnaris; H, extensor longus pollicis; I, extensor communis digitorum; J, extensor ossis metacarpi pollicis; K, extensor carpi radialis brevior; L, extensor carpi radialis longior; M, brachio-radialis; a, radius; b, interosseous membrane; c, ulna; 1, radial nerve; 2, radial artery; 3, anterior interosseous artery; 4, anterior interosseons nerve (underneath flexor longus pollicis); 5, median nerve; 6, ulnar artery; 7, ulnar nerve; 8, posterior interosseous artery; 9, posterior interosseous nerve.

Section Across Forearm

Section across the forearm in the middle third. Labels: A, pronator radii teres; B, flexor carpi radialis;…

A section across the forearm a short distance below the elbow-joint. R and U, its two supporting bones, the radius and ulna; e, the epidermis, and d, the dermis of the skin; the latter is continuous below with bands of connective tissue, s, which penetrate between and invest the muscles, which are indicated by numbers; n, n, nerves and vessels.

Forearm, Section of

A section across the forearm a short distance below the elbow-joint. R and U, its two supporting bones,…

The bones of the right forearm, ventral view.

Ventral View of the Bones of the Forearm

The bones of the right forearm, ventral view.

The muscles of the back forearm. 1, biceps; 2, brachialis internus; 3, biceps; 4, supinator longus; 5, extensor carpl radialis longior; 6, extensor carpi radialis brevior; 7, insertion of these mscles; 8, extensor communis digitorum; 9, extensor communis digitorum; 10, extensor carpi ulnaris; 11, anconeus; 12, flexor carpi ulnaris; 13, extensor minor pollicis; 14, extensor major pollicis; 15, posterior annular ligament.

Front Forearm Muscles

The muscles of the back forearm. 1, biceps; 2, brachialis internus; 3, biceps; 4, supinator longus;…

"The lever of the third class has the power between the weight and the fulcrum." Examples: sewing machine treadle, forearm. -Foster, 1921

Third Class Lever

"The lever of the third class has the power between the weight and the fulcrum." Examples: sewing machine…

A,b,c, deltoid muscle; d, coracobrachialis muscle; r,r, triceps;e,i, extensors of the hand; km, flexor of fingers and radial and ulnar sides of the wtist, and l, palm of the hand, or palmaris longus; p, palmaris brevis; q, palmar fascia; o, biceps.

Arm Muscle

A,b,c, deltoid muscle; d, coracobrachialis muscle; r,r, triceps;e,i, extensors of the hand; km, flexor…

"The extensor muscles on the back of the forearm. Note the tendons at the wrist." —Davison, 1910

Muscles of the forearm

"The extensor muscles on the back of the forearm. Note the tendons at the wrist." —Davison, 1910

Nerves of the forearm.

Nerves of the Forearm

Nerves of the forearm.

A view of the nerves of the back of the forearm and hand.

Nerves of the Forearm and Hand

A view of the nerves of the back of the forearm and hand.

"Superficial, or Cutaneous, Nerves on the Back of the Left Forearm and Hand." — Blaisedell, 1904

Superficial nerves of the forearm and hand

"Superficial, or Cutaneous, Nerves on the Back of the Left Forearm and Hand." — Blaisedell, 1904

The plan of development of the radius for three centuries.

Radius

The plan of development of the radius for three centuries.

An anterior view of the radius and ulna.

Radius and Ulna

An anterior view of the radius and ulna.

A posterior view of the radius and ulna.

Radius and Ulna

A posterior view of the radius and ulna.

"Treatment of fracture of both bones of the forearm." — Richardson, 1906

Splint

"Treatment of fracture of both bones of the forearm." — Richardson, 1906

"Raise and hold the forearm steadily in a horizontal position in front of the forehead, palm of the hand to the front." — Moss, 1914

Suspend firing

"Raise and hold the forearm steadily in a horizontal position in front of the forehead, palm of the…

The plan of development of the ulna for three centuries.

Ulna

The plan of development of the ulna for three centuries.