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An internal view of the ankle-joint: tarsal and tarsometatarsal articulations.

Ankle-joint

An internal view of the ankle-joint: tarsal and tarsometatarsal articulations.

Muscles of the thorax and front of the arm.

Muscles of the Arm and Thorax

Muscles of the thorax and front of the arm.

Section through upper third of arm, immediately below the insertion of the deltoid.

Cross Section Through Arm below Insertion of Deltoid

Section through upper third of arm, immediately below the insertion of the deltoid.

"abc, deltoid muscle; d, coraco branchfalls muacle; r, r, triceps; e, i, extensors of wrist and long supinator of the hand; km, flexor of fingers and radial and ulnar sides of the wrist, and l, palm of the hand, or palmaris longus; p, palmaris brevis; q, palmar fascia; o, biceps." — Chambers' Encyclopedia, 1875

Arm Muscles

"abc, deltoid muscle; d, coraco branchfalls muacle; r, r, triceps; e, i, extensors of wrist and long…

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.

Superficial muscles of the right arm, viewed from in front.

Front View of the Superficial Muscles of the Arm

Superficial muscles of the right arm, viewed from in front.

Superficial muscles of the right arm, lateral view.

Lateral View of the Superficial Muscles of the Arm

Superficial muscles of the right arm, lateral view.

Superficial muscles of the right arm, posterior view.

Posterior View of the Superficial Muscles of the Arm

Superficial muscles of the right arm, posterior view.

Muscles of the back. 1, trapezius; 2, its origin; 3, spine of scapula; 4, latissimus dorsi; 5, delltoid; 6, infra-spinatus; 7, external oblique; 8, gluteus medius; 9, gluteus maximus; 10, levator scapulae; 11, rhomboideus minor; 12, rhomboideus major; 13, splenius capitus; 14, splenius colli; 15, origin latissimus dorsi; 16, serratus inferior posticus; 17, supra-rpinatus; 18, infra-pinatus; 19, teres minor; 20, teres major; 21, long head triceps; 22, serratus major anticus; 23, internal oblique.

Back Muscles

Muscles of the back. 1, trapezius; 2, its origin; 3, spine of scapula; 4, latissimus dorsi; 5, delltoid;…

Muscles of the back. Labels: 50, latissimus dorsi; 51, trapezius; 52, deltoid. The muscles of the back are in 5 layers, one beneath another. The two largest and most superficial are the trapezius and the latissimus dorsi.

Muscles of the Human Back

Muscles of the back. Labels: 50, latissimus dorsi; 51, trapezius; 52, deltoid. The muscles of the back…

Second layer of muscles of the back. Labels: 1, trapezius; 2, a portion of the ten dinous ellipse formed by the trapezius on both sides; 3, spine of scapula; 4, latissimus dorsi; 5, deltoid; 6, infra-spinatus and teres minor; 7, external oblique; 8, gluteus medius; 9, gluteus magnus; 10, levator scapulae; 11, rhomboideus minor; 12, rhomboideus major; 13, splenius capitis; 14, splenius colli; 15, portion of origin of latissimus dorsi; 16, serratus inferior posticus; 17, supra-spinatus; 18, infra-spinatus; 19, teres minor; 20, teres major; 21, long head of triceps extensor cubiti; 22, serratus major anticus; 23, internal oblique.

Muscles of the Back

Second layer of muscles of the back. Labels: 1, trapezius; 2, a portion of the ten dinous ellipse formed…

The superficial muscles of the back.

Superficial Muscles of the Back

The superficial muscles of the back.

A frontal view of the chest muscles. 1, sterno-hyoid; 2, sterno-mastoid; 3, sterno-thyroid; 4, sterno-mastoid; 5, trapezius; 6, clavicle; 7, origin pectoralis major; 8, deltoid; 9, lower edge pectoralis major; 10, middle pectoralis major; 11, fibres external oblique; 12, biceps; 13, teres major; 14, serratus major anticus; 15, external oblique interlocking with serratus major.

Chest Muscles

A frontal view of the chest muscles. 1, sterno-hyoid; 2, sterno-mastoid; 3, sterno-thyroid; 4, sterno-mastoid;…

"A four-sided figure, formed of 2 unequal isosceles triangles on different sides of a common base." — Williams, 1889

Deltoid

"A four-sided figure, formed of 2 unequal isosceles triangles on different sides of a common base."…

"This is the hemihedral form of the triakis-octahedron; it has the indices {hhk} and is bounded by tweleve trapazoidal faces." -The Encyclopedia Britannica 1910

Deltoid Dodecahedron

"This is the hemihedral form of the triakis-octahedron; it has the indices {hhk} and is bounded by tweleve…

"The faces of the deltoid dodecahedron correspond to one-half those of the trisoctahedron." — Ford, 1912

Deltoid dodecahedron

"The faces of the deltoid dodecahedron correspond to one-half those of the trisoctahedron." —…

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…

Forms of muscles and tendons. Labels: A, adductor of thigh; B, biceps of arm; D, deltoid, G, gastrocnemius; P', pronator of forearm; P", pectoral; R, rectus abdominis; R", rectus muscle of thigh; S', serratus magnus of thorax; S", semi-membranosus of thigh.

Forms of Muscles and Tendons

Forms of muscles and tendons. Labels: A, adductor of thigh; B, biceps of arm; D, deltoid, G, gastrocnemius;…

Shown are the muscles of the deltoid region and back of the arm

Back View of Shoulder Muscles

Shown are the muscles of the deltoid region and back of the arm

Superior muscles of the upper front of the trunk. Labels: 1, sterno-hyoid; 2, sterno-cleido-mastoid; 3, sterno-thyroid; 4, sterno-cleido-mastoid; 5, edge of the trapezius; 6, clavicle; 7, clavicular origin of the pectoralis major; 8, deltoid; 9, fold of the pectoralis major of the anterior edge of the axilla; 10, middle of the pectoralis major; 11, crossing and interlocking of the fibers of the external oblique of one side with those of the other; 12, biceps flexor cubiti; 13, teres major; 14, serratus major anticus; 15, superior heads of external oblique interlocking with serratus major.

Muscles of the Upper Trunk

Superior muscles of the upper front of the trunk. Labels: 1, sterno-hyoid; 2, sterno-cleido-mastoid;…