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Trunk muscles
Question | Answer |
---|---|
neck muscles: ventral | strap muscles (infrahyoid muscles); move hyoid and larynx during swallowing |
neck muscles: prevertebral | longus coli (neck), longus capitis (head); flex cervical vertebrae and head |
neck muscles: lateral | scalene muscles; stabalize thoracic cage during forced breathing; laterally flex neck |
thorax muscles: prevertebral | longus coli (begin in thorax, flex neck) |
thorax muscles: lateral | intercostal muscles (transversus thoracis, internal intercostals, external intercostals), serratus posterior (ventilating lungs) |
abdominal muscles: ventral | rectus abdominis; flex vertebral column |
abdominal muscles: prevertebral | psoas major (moves hip joint) |
abdominal muscles: lateral | transversus abdominis, internal oblique, external oblique; twist lower trunk, compress contents |
back muscles | transversospinalis (deep): rotate spine, posture, erector spinae group (superficial): extensors of spinal column |