Download Lower Body Muscle Actions

Name:_________________________________
Anatomical Kinesiology
Lab Assignment #7
“Lower Body Muscle Actions”
Part I. Upper Body Motion
Look at the movement assigned and then answer the questions below.
Movement: the up phase of a vertical jump (include knee and ankle muscles)
1. What are all the muscles being shortened (concentrically) and list their origin and insertions?
2. What are all the muscles are being stretched (eccentrically) and list their origin and insertions?
3. What plane and axis of rotation is the motion being performed?
Movement: the up phase of a lateral leg raise (leg abduction)
4. What are all the muscles being shortened (concentrically) and list their origin and insertions?
5. What are all the muscles are being stretched (eccentrically) and list their origin and insertions?
6. What plane and axis of rotation is the motion being performed?
Part II. Origin, Insertion, & Action
Answer the following questions regarding the origin, insertion, and action of the muscle.
1. What is the origin, insertion, and action of the rectus femoris?
2. What is the origin, insertion, and action of the adductor longus?
3. What is the origin, insertion, and action of the tensor fascia latae?
4.
What is the origin, insertion, and action of the gluteus maximus?
Part III. Muscle Landmarks
For each landmark listed, identify a muscle that originates or inserts on the landmark.
1. Lesser Trochanter
2. Greater Trochanter
3. Ischial Tuberosity
4. ASIS