Important Muscles and their Attachments

Question 1

Name the Proximal and Distal Attachments and the Innervating nerve of the Trapezius muscle

Answer 1

Proximal Attachments: Medial 1/3 superior nuchal line, nuchal ligament, spinous process of C7-T12
Distal: Lateral 1/3 of clavicle
Acromion
Spine of Scapula
Innervation: Spinal Accessory Nerve

Question 2

Name the Proximal and Distal Attachments and the Innervating nerve of the Latissimus Dorsi muscle

Answer 2

Proximal Attachment: Iliac Crest, Spinous Processes of inferior 6 thoracic vertebrae, inferior 3 and 4 ribs
Distal Attachment: Intertubular Groove of Humerus
Innervating Nerve: Thoracoforsal Nerve (C6, C7)

Question 3

Name the Proximal and Distal Attachments and the Innervating nerve of the Rhomboid Major muscle

Answer 3

Proximal Attachment: Spinous Processes of T2-T5
Distal Attachment: Medial Border of Scapula
Innervating Nerve: Dorsal Scapular Nerve (C4, C5)

Question 4

Name the Proximal and Distal Attachments and the Innervating nerve of the Rhomboid Minor muscle

Answer 4

Proximal Attachment: Spinous Processes of C7 and T1, Nuchal Ligament
Distal Attachment: Medial Border of Scapula
Innervating Nerve: Dorsal Scapular Nerve (C4, C5)

Question 5

Name the Proximal and Distal Attachments and the Innervating nerve of the Levator Scapulae muscle

Answer 5

Proximal Attachment: Transverse processes of C1-C4
Distal Attachment: Superior Angle of the Scapula
Innervating Nerve: Dorsal Scapular (C5) and cervical (C3 and C4) nerves

Question 6

Name the Proximal and Distal Attachments and the Innervating nerve of the Serratus Posterior Superior muscle

Answer 6

Proximal Attachment: Nuchal Ligament, Spinous Processes of C7-T3
Distal Attachment: Robs 2-5 (Superior Border)
Innervating Nerve: 2nd to 5th intercostal nerves

Question 7

Name the Proximal and Distal Attachments and the Innervating nerve of the Serratus Posterior Inferior muscle

Answer 7

Proximal Attachment: Spinous Processes of T11-L2
Distal Attachment: Ribs 9-12 (inferior border)
Innervating Nerve: 9th to 11th intercostal nerves, Subcostal Nerve at T12

Question 8

Name the Proximal and Distal Attachments and the Innervating nerve of the Splenius Capitis muscle

Answer 8

Proximal Attachment: Nuchal Ligament and Spinous Processes of C7-T4
Distal Attachment: Mastoid Process and Superior Nuchal Line of Skull
Innervating Nerve: Posterior Rami of Spinal Nerves

Question 9

Name the Proximal and Distal Attachments and the Innervating nerve of the Splenius Cervicis muscle

Answer 9

Proximal Attachment: Spinous Process of T3-T6
Distal Attachment: Transverse Processes of C1-C4
Innervating Nerve: Posterior Rami of Spinal Nerves

Question 10

Name the Proximal and Distal Attachments and the Innervating nerve of the Iliocostalis muscle

Answer 10

Proximal Attachment: Aponeurosis (tendon) tethered to iliac crest, sacrum, sacroiliac ligament, sacral and lumbar spinous processes
Distal Attachment: Angles of ribs and transverse processes of cervical vertebrae
Innervating Nerve: Posterior Rami of Spinal Nerves

Question 11

Name the Proximal and Distal Attachments and the Innervating nerve of the Longissimus muscle

Answer 11

Proximal Attachment: Aponeurosis (tendon) tethered to iliac crest, sacrum, sacroiliac ligament, sacral and lumbar spinous processes
Distal Attachment: Ribs and mastoid process of the Skull
Innervating Nerve: Posterior Rami of Spinal Nerves

Question 12

Name the Proximal and Distal Attachments and the Innervating nerve of the Spinalis muscle

Answer 12

Proximal Attachment: Lumbar and Thoracic Spinous Processes
Distal Attachment: Upper Thoracic Spinous Process
Innervating Nerve: Posterior Rami of Spinal Nerves

Answer 13

Proximal Attachment:
Distal Attachment:
Innervating Nerve: