Muscles - Common Nerves, Actions and Attachment Points Flashcards
What is the common action and innervation of biceps brachii, coracobrachialis, brachialis?
Action: shoulder/elbow flexion
Nerve: musculocutaneous
What is the common action and innervation of triceps brachii, anconeus?
Action: shoulder/elbow extension
Nerve: radial
What is the common attachment point and action of the flexors?
Attach: to the medial epicondyle
Action: flexion of wrist/fingers
What is the common attachment point and action of the extensors?
Attach: to the lateral epicondyle
Action: extension of wrist/fingers
What is the common action and innervation of gluteal muscles - gluteus minimus/medius/maximus, tensor fasciae latae?
Action: abduction/adduction
Nerve: gluteal nerve
What is the common action and innervation of piriformis, inferior/superior gemellus, obturator internus/externus?
Action: laterally rotates hip
Nerve: obturator/quadratus nerves
What is the common action and innervation of biceps femoris, semimembranosus, semitendinosus?
Action: hip extension/flexion
Nerve: sciatica
What is the common action and innervation of pectineus, adductors, gracilis?
Action: hip adduction/flexion
Nerve: obturator nerve
What is the common action and attachment point of the splenius’?
Action: Lateral flexion head/neck, ipsilateral rotation head/neck
Attach: SPs and occipital bone
What is the common action and attachment point of the semispinals’?
Attach: transverse process
Action: lateral flexion head/neck/trunk and contralateral rotation head/neck/trunk
What is the common action and attachment point of the spinalis’?
Attach: spinous process
Action: lateral flexion head/neck/trunk
What is the common action and attachment point of the longissimus’?
Attach: TVP’s
Action: lateral flexion head/neck/trunk
What is the common action of external/internal oblique?
Lateral flexion of trunk
What is the common action and attachment point of the Iliocostalis?
Attach: ribs, TVP’s
Action: lateral flexion neck/trunk
