Skeleton and muscular system Flashcards
The antagonist of plantar flexion is the t________ a________
tibialis anterior
What are the articulating bones at the hip?
Pelvic girdle and femur
Acetylcholine is a ______transmitter which is secreted into the synaptic ____ to help the nerve impulse cross the gap in a skeletal muscle contraction.
neurotransmitter, cleft
The agonist for flexion at the shoulder is the a______ d_______and the antagonist is the p________ d________
anterior deltoid, posterior deltoid
The execution phase of kicking a football (leg straightening) is what movement pattern?
Extension of the knee
Putting topspin on a tennis forehand shot can be achieved using the movement pattern ________ rotation of the shoulder. The agonist is ______ major and the antagonist is _______ minor.
Medial rotation, teres major, teres minor
The ________ plane of movement divides the body into left and right (clue = Side to Side)
Sagittal
The l__________dorsi is the agonist for adduction of the shoulder.
lattisimus
Complete the 5 structural characteristics of FG muscle fibres: ______neuron size, ___ capillary density, ___ mitochondria and myoglobin density and a ___ PC/glycogen stores
large, low, low, high
A muscle responsible for creating movement at a joint =
Agonist
A i_________ muscle contraction changes the length of a muscle whereas a i________ muscle contraction the muscle length remains the same.
isotonic, isometric
The wrist is the only joint to have a __________ joint type.
Condyloid
A __________ muscle is responsible for providing a resistance for a co-ordinated movement.
Antagonist
DOMS stands for ?
Delayed onset muscle soreness
Extension of the hip uses the G_____ M______(agonist) and I_________(antagonist).
Gluteus maximus, iliopsoas
A fixator is a muscle that ? one part of the body while another part moves.
Stabilises
A ________ muscle contraction shortens the muscle to produce tension whereas an __________ muscle contraction lengthens the muscle to produce tension.
Concentric, eccentric
Muscle fibres contract in an __ or ___ fashion, depending on whether the stimulus is above the threshold.
All-or-none
The agonist for flexion of the knee is ______ femoris and the antagonist is ______ femoris
Biceps femoris, rectus femoris
The movements adduction and abduction occur in which plane of movement?
Frontal
The execution phase of a basketball throw is ________ of the wrist. The agonist muscle is the wrist __________.
Flexion, flexors
Flexion _________ the angle at a joint.
Decreases
Functional characteristics of FG muscle fibres are: fast \_\_\_\_ of contraction, \_\_\_ force of contraction, \_\_\_ resistance to fatigue and \_\_\_ aerobic capacity.
Speed, high, low, low
Name the movement pattern of the preparation phase (wrist backwards) of throwing a dart. What is the agonist of this movement?
Extension of the wrist, wrist extensors
For muscle fibre types, a f___________ characteristic refers to what it does.
functional
SO fibres have a s___ neuron size, h___ capillary density, h___ mitochondria and myoglobin density, and a l__ PC store.
small, high, high, low
__________ increases the angle at a joint.
Extension
The shoulder and hip have a ___ and ______ joint type.
Ball and socket
SO fibres have a slow s___ of contraction, low f____ of contraction, h__ resistance to fatigue, and h___ aerobic capacity.
Speed, force, high, high
The second stage of a skeletal muscle contraction is that the nerve impulse is conducted down the ____ of the motor neuron by a nerve action _______ (electrical charge) to the synaptic cleft.
Axon, potential
What is the agonist muscle for abduction of the hip?
Gluteus minimus
Rotation, horizontal flexion, and horizontal extension occur in the ___________ movement plane.
Transverse
All flexion and extension (including plantar flexion and dorsi flexion) occur in the ________ plane of movement.
Sagittal
The elbow has a _____ joint type. The upwards phase of a bicep curl has the movement pattern _______ therefore the agonist is _______ brachii and the antagonist is the ________ brachii
Hinge, flexion, biceps, triceps
For muscle fibre types, a __________ characteristic refers to what it is made up of.
Structural
A ________ unit is a motor neuron and the muscle fibres it stimulates.
Motor
The articulating bones at the knee are the femur and ?
Tibia
What plane of movement divides the body into top and bottom?
Transverse
