Lab exam Muscle Anatomy Flashcards
Internal Innercostals
Depress ribs
External Innercostals
Elevate ribs
External obliques
Compresses abdomin
Internal oblique
Compresses abdomin
Rectus abdominis
Depresses ribs
Diaphragm
Contracts and expands thoracic cavity
Pectoralis major
Flextion adduction and medial rotation at shoulder
Erector spinae muscles
Extends vertebral column
Rhomboids
Adducts and rotates and retracts scapula
Teres major
Adduction and medial rotation at shoulder
Teres minor
Lateral rotation at shoulder
Trapezius
Elevate scapula
Latissimus dorsi
Extension adduction and medial rotation at shoulder
Serratus anterior
Protracts shoulders
Infraspinatus
Lateral rotation at shoulder
Obicularis oris
Purse lips
Pharyngeal constrictors
Constrict throat when you swallow
Genioglossus
Protrudes tongue
Buccinator
Compresses cheeks
Stylohyoid
Elevates larynx
Mylohyoid
Elevates floor of mouth
Depressor anguli oris
Depresses corner of mouth
Sternohyoid
Depresses hyoid bone