BIO 210L OIAs Day 2 (Exam 1)

What is the Origin, Insertion, and Action of Splenius (capitis)

Origin: Cervical and thoracic vertebrae / Insertion: Temporal and occipital bone / Action: Extends and rotates head

What is the Origin, Insertion, and Action of Serratus ventralis (anterior)

Origin: Ribs / Insertion: Scapula / Action: Abducts scapula and rotates it upward

What is the Origin, Insertion, and Action of Serratus dorsalis (posterior)

Origin: Vertebrae / Insertion: Ribs / Action: Elevates ribs

What is the Origin, Insertion, and Action of Spinalis (thoracis)

Origin: thoracic and lumbar vertebrae / Insertion: thoracic vertebrae / Action: extends vertebral column

What is the Origin, Insertion, and Action of Longissimus thoracis

Origin: Sacrum / Insertion: thoracic vertebrae and ribs / Action: extends and bends vertebral column

What is the Origin, Insertion, and Action of longissimus cervicis

Origin: thoracic vertebrae / Insertion: cervical vertebrae / Action: extends cervical vertebrae

What is the Origin, Insertion, and Action of Longissimus capitis

Origin: thoracic and cervical vertebrae / Insertion: temporal bone / Action: laterally flex and extend head

What is the Origin, Insertion, and Action of Illiocostalis

Origin: Ribs / Insertion: C7 vertebrae, lower ribs / Action: extends and bends vertebral column

What is the Origin, Insertion, and Action of Multifdus

Origin: Sacrum, ilium, Cervical, thoracic, and lumbar vertebrae / Insertion: vertebrae above origin / Action: straightens and rotates vertebral column

What is the Origin, Insertion, and Action of Pectoralis major

Origin: clavicle, sternum, ribs / Insertion: humerus / Action: flexes, adducts and rotates shoulder upward

What is the Origin, Insertion, and Action of Pectoralis minor

Origin: ribs / Insertion: scapula / Action: depresses scapula, rotates shoulder upward

What is the Origin, Insertion, and Action of External oblique

Origin: ribs / Insertion: ilium, linea alba / Action: compresses abdomen, flexes vertebral column

What is the Origin, Insertion, and Action of Internal oblique

Origin: ilium / Insertion: lower ribs, linea alba / Action: compresses abdomen, flexes vertebral column

What is the Origin, Insertion, and Action of Transversus abdominis

Origin: ilium, ribs / Insertion: sternum, linea alba, pubis / Action: compresses abdomen, flexes vertebral column

What is the Origin, Insertion, and Action of Rectus abdominis

Origin: pubis / Insertion: sternum, ribs / Action: compresses abdomen, flexes vertebral column