Robosapien

Here is the muscle map of human body. Credit: Udemy Course ' Biomechanics: The Physics Of Human Movement' by 'Emil Cordes' 

Here is the bone map of human body. Credit: Udemy Course ' Biomechanics: The Physics Of Human Movement' by 'Emil Cordes' 

Joints in the human body can be Uniaxial, Biaxial or Triaxial.  Uniaxial joints provide a single degree of rotational freedom. Hinge joints  (elbows, fingers) &  pivot joints (ulna & spoke, cervical vertebra) are uniaxial joints. Biaxial joints provide  two degrees of rotational or translational freedom .  Saddle joints (thumb), Plane joints (ankles, ribs) & condyloid joints (wrist) are biaxial. Triaxial joints provide all  three degrees of rotational freedom. Ball and socket joints (hip, shoulder) are triaxial. Credit: Udemy Course ' Biomechanics: The Physics Of Human Movement' by 'Emil Cordes' 

There are five types of bones in the human body Long tubular bones, example Femur Flat bones, example Sternum Short bones, example Lateral cuneiform, Intermediate cuneiform, Medial cuneiform Irregular bones, example Vertebra Sesamoid bones, example Patella Credit: Udemy Course 'Biomechanics: The Physics Of Human Movement' by Emil Cordes'

In Biomechanics,  we do not treat the human body as one object with the complete weight being applied at the center of gravity. W e often need to approximate the percentage of body weight for different body parts, to calculate the respective forces acting at different points in the body.  Here is a useful reference to the  center of masses of specific body parts, and percentage different parts weigh, in relation to the overall body weight. Diagram Credit: Udemy Course ' Biomechanics: The Physics Of Human Movement' by 'Emil Cordes'  

Let's talk about the statics of a human arm holding a weight. Let's try to calculate how many Newtons of Force is the biceps tendon carrying, and what is the moment in the shoulder joint? We assume that a person of 100 kg is holding a dumbbell weighing 10 kg.  Thus, weight of the upper arm = approx 4% of body weight = 4 kg,  and weight of the fore arm = approx 3% of body weight = 3 kg.  We take the length of the fore arm = 30 cm. Also, for keeping calculations simple, we take g = 10m/s2. Cutting the system free F w1  = 40 N, F w2  = 30 N, F wd  = 100 N α  =  10 ° d 1  = 5 cm, d 2  = 15 cm, d 3  = 30 cm We can calculate  Force on the Bicep, F B  = 172.62 N Shoulder Moment, M A  = 34.5 Nm This is fun! Credit: Udemy Course 'Biomechanics: The Physics Of Human Movement' by Emil Cordes'

It is interesting to discover that the study of athletic motion is an intriguing mix of Physics and Biology.  Quite like virtually everything else in the human body, the human musculoskeletal system is an amazing piece of well-designed machinery.  A simple Google search gives you the following description: "The musculoskeletal system is the body's framework of bones, muscles, cartilage, tendons, ligaments, and connective tissues that provide support, stability, and movement, allowing for posture, locomotion, and protection of organs, with bones also storing minerals and producing blood cells. It's essentially the combination of the skeletal system (bones) and the muscular system (muscles and their attachments) working together." One major function of this system is human movement.  The combination of the human musculoskeletal system and the Physics of motion (Mechanics), is a discipline called BioMechanics. Enrolled in an Udemy course to learn more about it. Picture C...

"A wearable + AI dashboard that helps athletes track motion, fatigue, and performance." Sounds interesting. Let me dig more.

Completed my pending online University of Michigan Specialization for Python.  The specialization covers 5 courses. Programming for Everybody (Getting Started with Python), Python Data Structures, Using Python to Access Web Data, Using Databases with Python, and Capstone: Retrieving, Processing, and Visualizing Data with Python. Earned completion certificate on the second day of the year. 

New beginnings in the new year.  Here is an online journal for the stuff I do. Hope it is interesting enough to read and engage. What better way to spend the first day of the year! Happy New Year