Pronator Teres And Supinator

Semispinalis capitis Semispinalis cervicis

Semispinalis thoracis

Multifidus

Quadratus lumborum

Figure 3-9

Muscles of the Back and Neck. Deep muscles of the back and the neck help move the head and hold the torso erect. The splenius capitis and semispinalis capitis are removed on the left to show underlying muscles. The iliocostalis, longissimus, and spinalis muscles compose the erector spinae muscle.

Superficial Muscles Composing The Head

Figure 3-10

Thoracic and Abdominal Muscles. Superficial muscles. The left rectus sheath is cut away to expose the rectus abdominis muscle.

Figure 3-10

Thoracic and Abdominal Muscles. Superficial muscles. The left rectus sheath is cut away to expose the rectus abdominis muscle.

Eder et al.: Laboratory I 3. Human Muscular Atlas of Anatomy and Anatomy

Physiology, Fourth Edition

Text

© The McGraw-H Companies, 2003

CHAPTER 3

Pectoralis minor -

Serratus anterior-

Mcgraw Anatomy Pictures Pectoralis Minor
'S»

Rectus sheath

Internal abdominal oblique

_ T

n

Esa

Vjß

\

Subclavius Pectoralis minor (cut)

Internal intercostals

External intercostals Rectus abdominis (cut)

External abdominal oblique (cut)

Internal abdominal oblique (cut)

Transversus abdominis (cut)

■ Posterior wall of rectus sheath (rectus abdominis removed)

Figure 3-11

Thoracic and Abdominal Muscles. Deep muscles. On the anatomical right, the external abdominal oblique has been removed to expose the internal abdominal oblique and the pectoralis major has been removed to expose the pectoralis minor. On the anatomical left, the internal abdominal oblique has been cut to expose the transversus abdominis, and the rectus abdominis has been cut to expose the posterior rectus sheath.

Aponeurosis of transversus abdominis muscle

Skin Fat Fascia Muscle Peritoneum

Aponeurosis of internal oblique m.

Human Muscular Anatomy

Abdominal fascia and muscles 9. Peritoneum 8. Preperitoneal fat 7. Transversalis fascia 6. Transversis abdominis m. 5. Internal oblique m. 4. External oblique m. 3. Subcutaneous tissue of abdomen 2. Intermediate investing fascia 1. Skin

Aponeurosis of internal oblique m.

Linea alba Aponeurosis of external oblique muscle

Below the umbilicus

Below the umbilicus

Aponeurosis Interior Oblique

Aponeurosis of internal oblique m.

Rectus abdominis m

Figure 3-12

Muscles of the anterior abdominal wall, cross-sectional view above the umbilicus.

Aponeurosis of internal oblique m.

Rectus abdominis m

Figure 3-12

Muscles of the anterior abdominal wall, cross-sectional view above the umbilicus.

Eder et al.: Laboratory Atlas of Anatomy and Physiology, Fourth Edition

3. Human Muscular Anatomy

Text

© The McGraw-H Companies, 2003

CHAPTER 3

Male

Female

Bulbospongiosus

Ischiocavernosus Raphe

Bulbospongiosus

Superficial transverse perineus

Levator ani

-Gluteus maximus -

Bulbospongiosus

Urogenital triangle

Urethra Vagina

Anus

Anal triangle

- Pubic symphysis -

- Pubic ramus-

- External urethral sphincter- Deep transverse-

perineus Central tendon

- External anal sphincter-

Deep Transverse Perineal

Urethra Vagina

Anus

Urogenital diaphragm

Pelvic diaphragm Levator ani -

Coccygeus Piriformis

Pelvic Diaphragm

Urethra Vagina

Anus Coccyx

Urethra Vagina

Anus Coccyx

Figure 3-13

Muscles of the Pelvic Floor. (A, B) The superficial perineal space, inferior view. Triangles of the perineum are marked in b. (C, D) The urogenital diaphragm, inferior view; this is the next deeper layer after the muscles in a and b. (E) The pelvic diaphragm, the deepest layer, superior view (seen from within the pelvic cavity).

Eder et al.: Laboratory I 3. Human Muscular Atlas of Anatomy and Anatomy

Physiology, Fourth Edition

Text

® The McGraw-H Companies, 2003

(Posterior)

Human Muscular Anatomy 85

Teres Minor Major

Latissimus dorsi

Supraspinatus

Spine of scapula

Greater tubercle of humerus

Infraspinatus

Humerus Teres minor

Teres major

I Triceps brachii

Lateral head Long head

Latissimus dorsi

Teres minor

Teres minor

Teres Major And Minor

Supraspinatus

Long head of triceps brachii

Long head of triceps brachii

Lateral Head Triceps Brachii
Lateral head of triceps brachii

Figure 3-14

(A) Muscles of the posterior surface of the scapula and the arm; (B and C) muscles associated with the scapula.

86 CHAPTER 3

Thoracic Cage Muscles

Figure 3-15

(A) Muscles of the anterior shoulder and the arm, with the rib cage removed. (B, B, and D) Isolated views of muscles associated with the arm.

Figure 3-15

(A) Muscles of the anterior shoulder and the arm, with the rib cage removed. (B, B, and D) Isolated views of muscles associated with the arm.

Brachialis

Biceps brachii Brachialis

Pronator Superficial teres flexors

Brachioradialis

Flexor carpi radialis

Palmaris longus Flexor carpi ulnaris

Flexor pollicis longus Pronator quadratus

Pronator Superficial teres flexors

Flexor Digitorum Superficialis

Flexor digitorum superficialis

Deep flexors

Flexor digitorum superficialis

Deep flexors

Supinator And Pronator Teres
Supinator

Flexor digitorum profundus

Flexor pollicis longus

Pronator quadratus

Supination

Pronation epicondyle

Supinator

Medial epicondyle

Pronator teres

Supination

Pronation

Medial epicondyle

Pronator teres epicondyle

Supinator

Pronator Teres Brachialis Muscles

(F) Supinator

Figure 3-16

Muscles of the Forearm, Anterior View. (A) Superficial flexors; (B) the flexor digitorum superficialis, deep to the muscles in (A) but also classified as a superficial flexor; (C) deep flexors; (D) supinator, pronator teres, and pronator quadratus during supination; (E) during pronation; (F) during supination.

(F) Supinator

Figure 3-16

Muscles of the Forearm, Anterior View. (A) Superficial flexors; (B) the flexor digitorum superficialis, deep to the muscles in (A) but also classified as a superficial flexor; (C) deep flexors; (D) supinator, pronator teres, and pronator quadratus during supination; (E) during pronation; (F) during supination.

CHAPTER 3

Superficial extensors

Triceps brachii

Anconeus

Flexor carpi ulnaris

Extensor carpi ulnaris

Extensor digiti minimi

Tendons of extensor digitorum

Tendons of extensor digitorum

Tendon Extensor Digiti Minimi Muscle

Brachioradialis

Extensor carpi radialis longus Extensor carpi radialis brevis Extensor digitorum

Abductor pollicis longus

Extensor pollicis brevis

Extensor pollicis longus

Tendons of extensor carpi radialis longus and brevis

Deep extensors

Olecranon -

Extensor pollicis longus

Extensor indicis

Extensor pollicis longus

Extensor indicis

Anconeus Supinator

Abductor pollicis longus

Extensor pollicis brevis

Palmar view, superficial

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Responses

  • aurora
    What is the rectus sheath?
    6 years ago
  • patrick
    What bone separate the pronator teres from the supinator?
    5 years ago
  • novella pugliesi
    Where is the muscle shealth?
    5 years ago

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