Actin' Up
Tug of War
Hard Core
Lats but Not Least
Quad Squad
Photo Bomb!
100
Then neurotransmitter found at the neuromuscular junction.
Acetylcholine
100
This type of muscle opposes an agonist (prime mover).
Antagonist
100
Primary action of erector spinae (when contracting bilaterally).
Trunk extension
100
The primary action of the triceps brachii.
Elbow extension
100
The primary function of the lateral compartment of the lower leg.
Ankle eversion
100
The type of muscle contraction (eccentric/concentric/isometric):
Isometric
200
In a sarcomere, this protein (myofilament) appears dark in colour.
Myosin
200
This muscle, found between the ribs, acts as a synergist for inspiration.
External intercostals
200
Muscle used during a sit up.
Rectus abdominis
200
3 muscles that act on the scapula.
Levator scapulae (elevation)
Upper fibres of trapezius (elevation)
Middle fibres of trapezius (retraction)
Lower fibres of trapezius (depression)
Rhomboids (retraction)
200
Muscle that produces hip abduction and helps us to stabilize on one leg.
Gluteus medius
200
The primary agonist muscle:
Brachioradialis
300
A fascicle is composed of bundles of these.
Muscle fibers
300
The agonist muscle as you go from sitting to standing.
Quadriceps group
300
3 main layers of the abdominal wall that form the rectus sheath (from superficial to deep).
External oblique, internal oblique, transversus abdominis
300
3 muscles that produce shoulder flexion.
Anterior deltoids
Long head biceps brachii
Coracobrachialis
300
3 muscles that produce hip flexion.
1. Iliopsoas
2. Sartorius
3. Rectus femoris
300
The action and primary muscle being used (concentrically):
Hip extension, gluteus maximus
400
The organelle that acts as a storage site for calcium.
Sarcoplasmic reticulum
400
The antagonist muscle in the lower body as you move from sitting to standing.
Hamstrings group
400
__________ produces ipsilateral trunk rotation, while __________ produces contralateral trunk rotation.
Internal obliques
External obliques
400
You would use these 2 muscles when twisting your forearm back and forth to open a tight jar.
Pronator teres, supinator
400
With respect to the medial hamstrings, the ____________ is found superficial to _____________. The lateral hamstring is called the _____________. All hamstrings produce the actions of hip ______ and knee _____.
semitendinosus, semimembranosus
biceps femoris
hip extension, knee flexion
400
The muscle being stretched:
Gastrocnemius
500
_____ ions attach to ______ promoting a change in position of _________.
Calcium, troponin, tropomyosin
500
On your tiptoes, the:
Agonist is __________
Antagonist is _________
Synergist is __________
Agonist - gastrocnemius
Antagonist - tibialis anterior
Synergist - soleus
500
The most lateral of the erector spinae is the ___________ muscle that attaches to the _______.
Iliocostalis, ribs
500
Function of each rotator cuff muscle (*there are 4).
Supraspinatus - shoulder ABD
Infraspinatus - shoulder ER
Teres minor - shoulder ER
Subscapularis - shoulder IR
500
The 4 quadriceps muscles, working together to produce knee _______.
1. Rectus femoris
2. Vastus medialis
3. Vastus lateralis
4. Vastus intermedius
knee extension
500
The movement being shown and the 2 muscles being used (concentrically):
Scapular retraction
Muscles: levator scapulae, rhomboids