Muscles and Nerves Flashcards
(33 cards)
where is the attachment of tendons
muscle to bone
where is the attachment of ligaments
bone to bone
where is/ what does the pectoralis major do
flexes the whole arm, adducts, medial rotation at the shoulder joint
where is/ what does the deltoid do
abbduction at the shoulder joint
lateral and medial head can do flexion and extension
where is/ what does the biceps brachii do
flexion at the elbow/ whole forearm and suprination of the palm
where is/ what does the triceps brachii do
extension at the elbow/ whole forearm
where are extensors and flexors of the hands
above forearm, below forearm
where is and what do rectus abdominis do
movement of trunk, stabilisation of vertebral column, compress abdomen, forward flexion
name the muscles of the anterolateral abdominal wall
external oblique, internal oblique, transverse abdominis
external oblique - bilateral and unilateral contraction
flexion and lateral flexion
what way are fibres orientated in external and internal oblique
hands in pockEts, hands on tIts
inferiorly and medially, superiorly and medially
internal oblique - bilateral and unilateral contraction
flexion and lateral flexion
what way are fibres orientated in transverse muscle
horizontally
what are sphincters
circular muscles that are associated with the GIT and they regulate the passage of bodily fluid such as bile, faecal matter, stomach acid etc
what is an agonist muscle
a muscle that contracts while the other relaxes
what is an antagonist
a muscle that opposes the action of an agonist
how many spinal nerves is there
31 pairs
what plexus innervates upper limb
brachial
what plexus innervates lower limb
lumbosacral
where is the brachial plexus
at the armpit
what peripheral nerves make up the brachial plexus
radial, median, ulnar, axillary, musculocutaneous
where is the T2 dermatome
sternal angle
where is the T4 dermatome
nipples
where is the T6 dermatome
xiphoid process
