Actions
Name two shoulder retractors
Middle trapezius and rhomboids
Hip medial rotation occurs in which plane and around which axis?
Transverse plane through a vertical axis
What are the three main elbow flexors?
Brachialis, biceps, brachioradialis
A posterior pelvic tilt engages what groups of muscles?
Hip extensors and trunk flexors
What type of kinetic chain is being used during a chair push up?
Closed chain
How would you stretch the hamstrings?
Extend the knee and flex the hip
What are the four properties of all muscle?
Irritability, contractility, elasticity, extensibility
What is the action of the peroneus longus?
Plantarflexion and eversion
A person with excessive lumbar lordosis could need stretching instruction for which group of muscles?
Hip flexors
The PT plan of care directs you to do isometric strengthening of the wrist extensors in a shortened position. To do this you would place the wrist in which position?
Extension
When a person abducts the shoulder to 90 degrees, then moves the arm backward, what is that motion called?
Horizontal abduction
A muscle contraction that is decelerating with gravity is an ______ contraction.
Eccentric
What is the action of the unilateral sternocleidomastoid contraction?
Ipsilateral lateral flexion, contralateral rotation
What is the reference point of the scapula for upward and downward rotation?
Inferior angle
You direct the patient to sit with knee extended, and slowly lower the foot, flexing the knee. What type of contraction occurred?
Eccentric
What are the actions of the biceps femoris?
Hip extension and knee flexion
According to the convex-concave law, the convex femoral head during hip flexion moves in which direction in relation to the direction of the femur?
Opposite
The serratus anterior and the pectoralis minor both perform what scapular girdle action?
Protraction
In the tibiofemoral joint, what is convex and what is concave?
Concave: tibia
The position of the elbow and shoulder that could potentially make the biceps brachii muscle actively insufficient would be......
Shoulder flexion and elbow flexion
Satorius
Hip flexion, abduction, lateral rotation, knee flexion
If you are describing a gait abnormality that occurs when the heel leaves the ground but the ball of the foot and toes remain in contact with the ground, you are speaking of which portion of the stance phase?
Terminal stance
When the flexor carpi radialis and the extensor carpi radialis longus contract simultaneously, which motion results?
Wrist radial deviation
What position would you place the hip in if you wanted to isolate the vastus lateralis, medialis, and intermedius to complete knee extension with very little assistance from rectus femoris?
Flexion
Your patient has suffered a sprain to the anterior talofibular ligament, and you are asked to strengthen muscles on the same side of the ankle. What ankle motion should you focus on?
Ankle eversion