Posterior view of the pectoralis muscle with its bony attachments.

Anterior view of the thorax showing both rhomboid muscles and their bony attachments on both sides of the body.

Anterior view of the subclavius and pectoralis minor muscles and their bony attachments seen on both sides of the chest.

Posterior view of the extensor digitorum muscle with bony attachments.

Posterior view of upper thorax and neck region showing the splenius cervicis muscle and its bony attachments on both sides of the thoracic and cervical vertebrae.

Posterior view of the abdominal region illustrating the transversus abdominis muscle and its bony attachments. Both sides of muscle are shown.

Posterior view of the serratus posterior superior muscle with bony attachments. Muscle is shown on both sides.

Posterior view of the thoracic cavity and ribcage showing the intercostal muscles and their bony attachments.

Posterior view of the abdominal region illustrating the rectus abdominis muscle and its bony attachments. Muscles on both sides of the linea alba are shown.

Posterior view of upper thorax and neck region showing the splenius capitis (right) and splenius cervicis (left) muscles and their bony attachments on both sides of the thoracic and cervical vertebrae.

Anterior view of the abdominal region illustrating the transversus abdominis muscle and its bony attachments. Both sides of muscle are shown.

Posterior view of the extensor carpi radialis longus muscle with bony attachments.

Posterior view of both latissimus dorsi muscles with bony attachments.