14 



CONTENTS 



The Lateral Vertebral Muscles. 



Scalenus Anterior 

 Scalenus Medius 

 Scalenus Posterior 

 Variations . 



396 

 396 

 396 

 396 



THE FASCI.E AND MUSCLES OF THE THUNK. 



The Deep Muscles of the Back. 



The Lumbodorsal Fascia . 

 Splenius Capitis 

 Splenius Cervicis 



Variations .... 

 Sacrospinalis 



Iliocostalis Lumborum 



Iliocostalis Dorsi . 



Iliocostalis Cervicis . 



Longissimus Dorsi 



Longissimus Cervicis . 



Longissimus Capitis . 



Spinalis Dorsi . 



Spinalis Cervicis . 



Spinalis Capitis 

 Semispinalis Dorsi . 

 Semispinalis Cervicis 

 Semispinalis Capitis 



Multifidus 



Rotatores 



Interspinales . . . . 



Extensor Coccygis 

 Intertransversarii 



The Suboccipital Muscles. 



RectuS Capitis Posterior Major 

 Rectus Capitis Posterior Minor . 

 Obliquus Capitis Inferior .... 

 Obliquus Capitis Superior .... 

 The Suboccipital Triangle 



The Muscles of the Thorax. 



397 

 397 

 397 

 397 

 397 

 399 

 399 

 399 

 399 

 399 

 399 

 399 

 400 

 400 

 400 

 400 

 400 

 400 

 400 

 400 

 401 

 401 



401 

 401 

 402 

 402 

 402 



Intercostal Fascia 402 



Intercostales 403 



Intercostales Externi 403 



Variations 403 



Intercostales Interni 403 



Subcostales 403 



Transversus Thoracis 403 



Levatores Costarum 403 



Serratus Posterior Superior 404 



Variations 404 



Serratus Posterior Inferior 404 



Variations 404 



Diaphragm 404 



Medial Lumbocostal Arch .... 404 



Lateral Lumbocostal Arch .... 405 



The Crura 405 



The Central Tendon 406 



Openings in the Diaphragm . . . 406 



Variations 406 



Mechanism of Respiration 407 



The Muscles and Fasciae of the Abdomen. 



The Antero-lateral Muscles of the Abdomen 408 



The Superficial Fascia 408 



Obliquus Externus Abdominis . . . 409 

 Aponeurosis of the Obliquus 



Externus Abdominis . . 410 

 Subcutaneous Inguinal Ring . 410 

 The Intercrural Fibers . . 410 

 The Inguinal Ligament . . 411 

 The Lacunar Ligament . . 412 

 The Reflected Inguinal Liga- 

 ment 412 



Ligament of Cooper . . . 412 



Variations 412 



Obliquus Internus Abdominis . . . 412 



Variations 414 



Cremaster . 414 



Transversus Abdominis 414 



The Antero-lateral Muscles of the Abdomen 

 Transversus Abdominis 



Variations 414 



Inguinal Aponeurotic Falx . . . 414 



Rectus Abdominis 415 



Pyramidalis 416 



Variations 417 



The Linea Alba 417 



The Lineae Semilunares 417 



The Transversalis Fascia . . . .418 



The Abdominal Inguinal Ring . . . 418 



The Inguinal Canal 418 



Extraperitoneal Connective Tissue . . 418 



The Deep Crural Arch 419 



The Posterior Muscles of the Abdomen . . 419 

 The Fascia Covering the Quadratus 



Lumborum 419 



Quadratus Lumborum 420 



Variations 420 



The Muscles and Fasciae of the Pelvis. 



Pelvic Fascia 420 



Levator Ani 422 



Coccygeus 424 



The Muscles and Fascia? of the Perineum. 



Muscles of the Anal Region 424 



The Superficial Fascia 424 



The Deep Fascia 425 



Ischiorectal Fossa 425 



The Corrugator Cutis Ani .... 425 



Sphincter Ani Externus 425 



Sphincter Ani Internus . . . . . 426 



The Muscles of the Urogenital Region in 



the Male 426 



Superficial Fascia 42& 



The Central Tendinous Point of the 



Perineum 427 



Transversus Perinaei Superficialis . . 427 



Variations 427 



Bulbocavernosus 428 



Ischiocavernosus 428 



The Deep Fascia 428 



Transversus Perinaei Profundus . . 429 



Sphincter Urethras Membranaceae . . 429 



The Muscles of the Urogenital Region in the 



Female 430 



Transversus Perinaei Superficialis . . 43o 



Bulbocavernosus 430- 



Ischiocavernosus 430 



Transversus PerinEei Profundus 431 



THE FASCIA AND MUSCLES OF THE UPPER 

 EXTREMITY. 



The Muscles Connecting the Upper Extremity 

 to the Vertebral Column. 



Superficial Fascia 432 



Deep Fascia . 432 



Trapezius 432 



Variations 432 



Latissimus Dorsi 432 



Variations 434 



Rhomboideus Major 434 



Rhomboideus Minor 434 



Variations 435 



Levator scapulae . . 435 



Variations 435 



The Muscles Connecting the Upper Extremity to 

 the Anterior and Lateral Thoracic Walls. 



Superficial Fascia 435 



Pectoralis Major 436 



Variations 437 



Coracoclavicular Fascia 437 



Pectoralis Minor 438 



Variations 438 



Subclavius 438 



Variations 438 



Serratus Anterior 438 



Variations . 439 



